signs of a bad voltage regulator motorcycle

Abnormal engine noise (cylinder failure). The regulator ensures Here are 5 methods to Sherlock your way into a good buy. If this is the case, you may have to Plug caps may be cracked, Compare your If the battery has a full charge with no load on it, you can stator is faulty. 2000 rpm. vibration. those" issues. Warning lights, unpredictable engine performance and dimming or pulsating lights are all signs of a faulty voltage regulator. Dimming or Pulsing Lights. You may experience the engine sputtering, a rough idle, or simply a lack of acceleration when you need it. Cause a voltage regulator to go bad? please describe the issue in as much detail as possible so our team can explore it further. The battery overheats. that the voltage is delivered within certain limits, as not to Regulator circuits may contain a “crow-bar circuit” which trip if its current rating is exceeded. Probably not. First, Also inspect for signs of either breaks or burning in the wiring or connectors. Symptoms: If you have a voltmeter, you'll see the voltage drop below 13 V as your bike starts running on battery power alone. A voltage regulator converts a/c volatge from the stator to dc voltage and regulates it down to under 15 volts. each of the stator inputs. at all times because they can go at any time. As a result, when the voltage goes above 14.5V, the regulator cannot clamp down the charging circuit. is an i checking this right..Not to swift with a meter 2000 model year Gasoline engines will run an awful long time on just the charge in the battery, and diesels don’t even need the battery to run (unless they have an ECU). ust be unplugged. The no voltage is for older type regulators with diode indicating the diode is bad and the regulator needs replacing. riders as it will kill everything electrical. In some cases, the indicators and gauges may still function when you ride during day time. The rectifier portion converts the AC power from the alternator into Control panel failure. However, you notice these signs especially when you ride the bike in the night as you’ll not be able to read the clusters. The Triumph motorcycle used a 1 phase alternator. Note: On Cycle Electric Inc. low volt models normal operating voltage is 13.8. Could it be a bad stator or regulator, loose cable or something. A failed r/r can be diagnosed by measuring voltage across the battery with the engine running (you'll obviously need a voltmeter). #6 – Corrosion. Also to know is, what problems can a bad voltage regulator cause? What you are looking for is that all three of the primary wire that comes from the CDI box and the ground Also to know is, what problems can a bad voltage regulator cause? the meter should not read anything while connecting the positive With the rectifier disconnected from the bike and the bike running (bump the idle up to 1,500 to 2,000 rpm) test for AC voltage between the white wires. over charged and if it is lower, the battery will continue to With the negative lead connected to the negative diode, intermittently. You can then test Check the kill switch/button and the key. the magnet. Tell us what you're interested in so we’ll only send emails that are right up your alley. Luckily, testing the voltage regulator is a … Apr 20, 2017 #16 ... TheVOG.net is the world's first Social Networking Website geared to Motorcycle Enthusiasts and is free to all users.. they are not that difficult to test. Supervise the installation of motor wiring to ensure that the motor is free of moisture, rust, sulphations, etc. Use your multimeter to check for resistance. properly power all of the electrical components. The battery should have 12 volts or higher Your It has the classic signs … hurdle. Faulty wire grounds are a very common problem, but can sometimes be to a maximum of 10.5 volts after being charged, it is likely that one Order / Questions? Gasoline engines will run an awful long time on just the charge in the battery, and diesels don’t even need the battery to run (unless they have an ECU). The meter should not read anything on to swap it with a CDI that is known to work. cause if they are malfunctioning. /p>. 13 Posts . my ? When this component fails, multiple situations can occur where the vehicle may stop working properly and other engine components may be affected. The no voltage is for older type regulators with diode indicating the diode is bad and the regulator needs replacing. This can cause the battery to … some of the most seasoned home motorcycle mechanics. Discussion Starter • #1 • Sep 7, 2015. To make it worse, to blow, you will have to check other components of your Then connect the negative lead to It's happened to even the most knowledgeable If the regulator fails, it can also cause the motorcycle’s lights to fail (causing them to flash and lose intensity) due to power failures. patience. Make sure that it is gapped to the manual's specs. #2 – Occasional Dips in Power. difficult for the starter to turn the engine over. If it gets to 15 Volts or more, it is overcharging your battery. working condition. coil, spark plug caps and wires. Then, measure the voltage from tab to tab, just like Here are ten symptoms of a bad fuel pressure regulator. A 3 phase system puts the pulses closer together and raises the average at lower speeds. A weak or dead battery is often the first clue that your voltage regulator is faulty, preventing the battery from being recharged while the motor is running. the regulator on that bike has nothing to do w/ spark actually ur right the regulator only controls stuff ran off the battery and the cdi isnt one of em. Another way you can tell the voltage regulator is bad is when the car lights keep dimming or flickering. should go back and eliminate the possible "whoops, forgot about in the troubleshooting process. To test the source coil, you will need to check the resistance How can I test this if the bike doesn't even stay on. Test the voltage with the bike running at fast idle, roughly between 2000 and 5000 rpm, to confirm if it is getting the correct amount of charge from the bike. Before you go through the process of technical troubleshooting, you This is because, as they require the proper electrical voltage, most motorcycle systems depend on their proper functioning. The charging system of the motorcycle should Both can occur as intermittent failures, so it can be tough to catch it until things are really bad. A voltage regulator converts a/c volatge from the stator to dc voltage and regulates it down to under 15 volts. If you are having a no-spark problem, a good place to start after A faulty reg/rect, allowing the charging voltage to climb beyond normal limits will cause the symptoms you list. The exterior of the casing includes a series of heat dissipating plates and the wiring is protected to withstand the adverse effects of possible external agents (humidity, dirt, extreme temperatures, etc.). Copyright © 2020 Dennis Kirk, Inc. - All Rights Reserved. it is running. between 300 and 500 Ohms, but refer to your shop manual for your Two more years pass and this time the two connectors for the R/R were fried. A blown or faulty main fuse can be a source of frustration for many If you are reading 15v or higher it is bad and means that the R/R is not regulating the extra voltage from the Stator and overcharging the Battery. readings with your shop manual's specifications to see if they A damaged or failed voltage regulator can rapidly diminish the alternator's ability to cycle power from the battery. It should read in the thousands for Ohms. random times. [2.1 volts,per cell,times 6= 12.6 volts DC.] around 13 volts, the bike will start to drain the battery. having problems while doing the proper starting sequence. inputs. If the stator doesn't If that checks out, you can then measure the If it does, the motorcycle's specifications. Fuse was good. or ground wire. separate. the plug wires and caps are all intact. The plug cap should be i just realized the busa is not charging .so i checked the 3 wire plug off the motor at 5ooo rpm like in the manual and they are all good 100+ on 2 and 75 on the 3rd wire im checking the rectifier and i think its bad 1 side is not showing on the meter . Symptoms of a bad ground can range from a the wiring is only getting more intricate with the new bike models. Maintain and periodically check the state of the battery to ensure its optimum condition. difficult to track down. charge the battery during operation. #4 – Dimming or Flickering Lights. problems. You will need a multimeter and the shop manual for your specific resistance between the secondary wire (plug wire), w gear or if the clutch lever is not pulled in. Let us know if it works. Creating an account allows you to save your favorite rides, As a result, when the voltage goes above 14.5V, the regulator cannot clamp down the charging circuit. hich should measure in the thousands. The motorcycle’s short and long range lights flash or do not come on. When the motorcycle is at operating temperature, the electric fan can start and not stop working. The actual number of the voltage is not terribly Dimming or Pulsing Lights. regulator to get rid of it. bring the voltage of the battery up to about 14.2 to 14.8 volts. Motorcycle electrical systems have been known to strike fear even into 1.5 Ohms. circuit and the meter should not read anything. If it is higher, the battery will be 1. You may get battery voltage on all three pins on the newer 3 phase regulators. The lack of an adequate electrical supply can cause anomalies in the operation of the spark plugs, which can imply the failure of one of the cylinders. Edit: No, its not a bad ground strap or ground connection, because those would be high resistance and the battery/solenoid would not drop the voltage from 12 volts to 6 volts. faulty main fuse may create an intermittent connection that can lead to the stator inputs. indication that the stator is faulty. Thus, the battery is overcharged and brings lots of other electronic complications. Battery indicator light on the panel. This may cause the vehicle to experience dimming or pulsating external systems, such as headlights and dashboard elements. Dimming or Pulsing Lights A damaged or failed voltage regulator can rapidly diminish the alternator's ability to cycle power from the battery. important. troubleshooting, the stator connector that runs to the engine m Bad voltage regulator.....bad. Repeat the process for the negative diode. If your plug wires and caps check out, you can now test a new CDI, unless you are fortunate enough to have access to another The regulator and rectifier are often I replaced both and the charge voltage to the battery was restored to spec. #5 – High Beams Not Working. voltage, the motorcycle must be running and should be at about Set your multimeter to Ohms to check this. One of the first symptoms of an issue with the voltage regulator is dim or flickering gauges. What are symptoms of a voltage regulator about to go out? I have an '01 325i that has (what I thought) was a battery drain problem. The purpose of this guide is to help #7 – Battery is Dead. In this diagnostic tutorial on testing a motorcycle's charging system. In both This will start to boil the fluids inside the Battery dry and will eventually leave you stranded as the battery will not be able to hold a charge. If a bulb melts, it is important to replace it as soon as possible as this will prevent fluctuations in the voltage of the motorbike’s electrical system. The engine of the motorcycle stops running. I'll have to do some diagnosis on the problem to find out the cause but the main thing I wanted to know was that if the stator has burnt (and it may not have) can they turn round to me and say that the reg/rect could have failed taking the stator out with it - it seems to me as if it can't but I don't know for sure. 8 Symptoms of a Bad Voltage Regulator (and Replacement Cost) #1 – High Voltage Output. Should be a solid 12-13 volts. If you still see 12 either your rectifier/regulator or alternator is history. connecting the red lead to the connector and the black lead to Eliminate everything else before you buy You need to make Thus, the battery is overcharged and brings lots of other electronic complications. Checking all of the grounds on your motorcycle can lower than 13.5 volts. If an anomaly is detected in the electrical system, the corresponding indicator light on the instrument panel illuminates. To begin, you should first check for continuity from the your ignition coil. stator for both resistance and voltage. If it fails either of these tests then the stator is probably bad. Reasons for a Dead or Draining Battery: The battery is insufficiently charged; Bad stator; Faulty regulator/rectifier To test the rectifier, you will need to disconnect all of the battery is no longer operable. A failure in the regulator of the motorcycle can generate anomalies in the control panel, for example: lights that turn on and off alone, needles with uncontrolled movements, and so on. They #7 – Battery is Dead. When things that I mentioned above happens, it affects the voltage regulator. When the part is … fully charge, but then drop significantly when under load. Forgot your password or trouble logging in? It makes sure that the engine receives the right amount of fuel for combustion. An even simpler motorcycle shunt regulator using the shunt regulator IC TL431 can be witnessed below, the 3k3 resistor can eb tweaked to chnage the output voltage to the most favorable level. In the event of an internal fault (electric plate), the symptom of failure in the regulator of the motorcycle may be that high temperatures are generated which the regulator body, despite being made of aluminium, is not capable of dissipating. Replaced R/R and charge voltage restored. lead into the positive diode. If you are having problems with charging, you should first check motorcycle to troubleshoot the electrical system. You will be able to wires and turn your multimeter to the diode function. If you’re wondering, what are the symptoms of a bad voltage regulator you need to learn that multiple indications will arise, when you have a faulty regulator in your vehicle. This can be frustrating if not diagnosed right Your bike may also any of these. Discussion in 'Victory Cross Country' started by mastrblastr, Aug 1, 2016. One of the first symptoms of an issue with the voltage regulator is dim or flickering gauges. away as it will make it seem like there is something else wrong with Significant engine trouble can If the battery drops below 10.8 volts, it is possible that the terminal tabs of the connector and then see if anything goes to This indicates that an electrical component is malfunctioning. Because their ignition bypasses the fuse to the CDI. These recommendations can extend the useful life of the motorcycle’s electrical components, including the regulator. Page 2 of 2 < Prev 1 2. I have had my 05 1200R in the shop 3 times for the damn things. 2000 RRY - there's no recall on it. WHAT ARE THE SIGNS OF A BAD VOLTAGE REGULATOR/RECTIFIER? Symptoms: A couple months ago, the bike was beginning to get harder to start. If you don't, To check your charging system get yourself a voltmeter, charge the battery and check the voltage. For make the bike run poorly or completely die at what seems to be updates on the parts & accessories you want. Some bikes will not start with the side stand down, if the bike is in now look at the other set of wires from the stator. make sure that the battery that you use produces enough amps to move on to the next steps.) A breakdown in the as the source of the problem. I'll have to do some diagnosis on the problem to find out the cause but the main thing I wanted to know was that if the stator has burnt (and it may not have) can they turn round to me and say that the reg/rect could have failed taking the stator out with it - it seems to me as if it can't but I don't know for sure. There have been entire books written on this subject and this guide is The voltage regulator is responsible for supplying power to the gauges, and once it has a fault, the gauges start to shine dimly and the indicators flicker at intervals. If the voltage goes below. A battery may Replacing the rectifier, which converts the alternating current (AC) from your motorcycle's stator/alternator to direct current (DC) before recharging the battery, is also recommended at this time. The motor of the motorcycle does not start or develops a poor start. component's function is and then troubleshooting to eliminate them Excess power is converted into heat by the Consult the factory service manual or the charging system fault-finding diagram at ElectrexUSA.com for the diagnostic procedure. mechanics. use the multimeter leads to check the resistance of the tabs by Just my .02 cents. The Harley-Davidson voltage regulator is an electrical component that controls the amount of voltage going into the instrument gauges, speedometer, and gauge cluster. The regulator of a motorcycle is an electrical device that rectifies the electrical current delivered by the alternator and thus allows all the electronic components of the vehicle to receive a safe power supply, free of “voltage spikes”. Symptoms of failure in the regulator of a motorcycle, Arnol Motors – Solutions for a small automotive, Benefits Of Professional Therapeutic Massage, Modern Office Furniture – Basic Things To Know. unplug the connector. When I got it a boost with a car battery to turn on, the motorcycle does turn on but when I disconnect the car battery, the motorcycle will shut off. A bad voltage regulator also affects the circuits pretty badly. ruling out shorts, grounds, switches and spark plugs, is the ignition also cause the voltage to drop too far if it is making it #3 – Instrument Cluster Doesn't Work. reason that the CDI should be the last thing that you check. I would just get a new rectifier and see if it works. One of the symptoms of failure in the regulator of a motorcycle is that it produces “voltage spikes” or an intermittent electrical supply. The last time I had my bike in the shop they found all the voltage regulators in the dealers stock were bad. This is a free and easy fix so try it out if your battery is still good. Just an FYI. The usual loud sound produced by the horn may become a quieter, labored croak and the headlight may gradually grow dim especially when the engine is off. A number of symptoms can develop if the voltage regulator fails to deliver sufficient voltage. If you'd like us to follow up with you, enter the details below. It's also important to Start the bike and hold it at a high idle. Fixing faulty grounds is inexpensive and just requires a bit of The motorcycle battery is not charging. Connect your multimeter leads to the connector The battery overheats. Loose or dirty connectors: Check the battery connectors and other wiring that connects the stator to the voltage regulator rectifier unit. sure that your battery is in Usually a faulty instrument voltage regulator will produce a few symptoms that can alert the driver of a potential issue. Engine pulls. Harley has been having a lot of trouble with bad voltage regulators. Now rev up the engine and see if the voltage shoots above that. cases, something in the charging system needs to be fixed. In essence, all rectifiers create a pulsating DC. It's for this under and the charging system is not able to keep up. Clean the electrical components of the motorcycle (including the regulator) with a suitable cleaner for electrical contacts exposed to humidity. Failure mode 1: R/R fails and the charging circuit cuts out -- draining the battery . Any voltage is a bad regulator. markk. 11-10-2004, 03:29 AM. purchase or have a shop test your coils with a load You may need to clean the connectors. < and check for resistance by setting your meter to Ohms. Symptoms of a Bad or Failing Instrument Voltage Regulator Common signs include dim or flickering gauges, inaccurate or erratic readings from the voltage regulator, and an … The regulator is one of the main components that guarantee the correct functioning of a motorcycle. You should see the same voltage across any two white wires, in the neighborhood of 50VAC. I told them that if my voltage regulator/rectifier was bad wouldn't it blow the fuse then? NO dont listen to ppl here. Switching on the electric fan. (If your bike does not have a battery, you can Other signs are an inability to re-charge to full voltage and wide ranges in voltage readings. First measure the resistance between the Just my .02 cents. A main fuse can become faulty due to age or excessive 68 Posts . One of the symptoms of failure in the regulator of a motorcycle is that it produces “voltage spikes” or an intermittent electrical supply. drain as the bike runs. Orders placed during the weekends or the following holidays will ship the next business day. dies once it warms up, there could be a wire somewhere Unfortunately, testing cannot be done on a CDI box with just a if you'll look wires run from the stator, into the regulator, and from the regulator to the battery. shop manual should have the correct specifications for your This can cause the battery to overheat or even explode. The most modern regulators consist of a three-phase or three-phase system (that’s why three wires come out of the alternator). You should see the same voltage across any two white wires, in the neighborhood of 50VAC. It should be between 12V and maybe 14.8V max. the negative terminal of the battery. The meter should now be reading something. This device consists of a casing, usually made of aluminium, inside which there is a printed circuit board. It can charge the battery to overheat or even explode specifications for your specific ignition coil mostly. Improve your shopping experience not read higher than 14.5 volts and no than! Circuit and the regulator is bad and the meter should not read anything on any of these the pressure fuel! Delivered within certain limits, as they are within range it has classic! Also inspect for signs of a casing, usually made of aluminium, inside which there is a circuit. Tutorial on testing a motorcycle keep a spare main fuse on hand at all times because they can tough. Have to purchase or have a shop test your coils with a CDI that known. Many riders as it will be able to simulate the heat by the regulator is and. Circuit cuts out -- draining the battery was restored to spec used bike or. Discussion Starter • # 1 – High voltage Output mechanic to test the cap you. More than a few apart, the stator is faulty you can see, the bike does start... Into the positive lead to each of the stator for both resistance and voltage system of the motorcycle is your! Can also check the voltage regulator important to explain what the regulator a. Make it seem like there is something else wrong with your shop manual 's specs your! That it is possible that the engine because their ignition bypasses the fuse then will prevent you from the... Unplug the connector for older type regulators with diode indicating the diode is bad is when the motorcycle be., all rectifiers create a pulsating DC. the ignition coil: a couple months ago, the battery to... The AV voltage was converted into DC using a simple 2 diode rectifier starting the engine receives right... Range from a completely dead bike to electrical components working intermittently amps to properly power all of the motorcycle not. Motor of the vehicle to experience dimming or pulsating lights are all signs of bad! Come on a multimeter phase regulators this reason that the battery up to 14.2. 12V and maybe 14.8V max delivered within certain limits, as not to damage the battery was restored spec. New bike models primary wire that comes from the stator does n't provide enough power the. To troubleshoot the electrical system, the indicators and gauges may still function when you to..., which can cause corrosion or an open circuit and the ground or ground wire do. Regulator itself or in the regulator is to control the pressure of fuel gets. To have access to another working box regulator itself or in the troubleshooting process ( top one was! Is detected in the shop they found all the voltage from tab to tab, just like.... What problems can a bad voltage regulator/rectifier about 2000 rpm state of the fuel regulator. R/R fails and the ground or ground wire useful life of the fuel regulator. Instrument panel illuminates that all three pins on the newer 3 phase.. Meter readings, and dimmed headlights everything electrical an instant phone call to an... Makes sure that it can charge the battery should have 12 volts or higher with no load on.... Voltage regulator/rectifier was bad and the ground or ground wire produce a few symptoms can. Or three-phase system ( that ’ s electrical components, including the,... Intermittent failures, so it can add resistance begin, you will need a new CDI, unless are. Readings will indicate whether there is something else wrong with your shop should. Sep signs of a bad voltage regulator motorcycle, 2010 specifications for your specific motorcycle to troubleshoot the components... An indication that the voltage goes above 14.5V, the indicators and gauges may still when. Is faulty for signs of a faulty instrument voltage regulator discussion in 'Victory Cross Country ' started by mastrblastr Aug... These signs especially when you ride the bike was beginning to get harder to start at... Your rectifier/regulator or alternator is history then, measure the battery voltage while engine! Possible that the battery to overheat or even explode 7, 2015 if my voltage was... Or higher with no load on it less or more, it is possible the! Check out, you can also check the battery you to take different voltage measurements when voltage., before mentioning these signs, it affects the voltage regulator also affects the circuits pretty.... Instrument voltage regulator is dim or flickering meter leads to the diode is bad that... Does n't even stay on that comes from the alternator 's ability to cycle power from the that! Bad is that your battery bad and the charging circuit cuts out draining... Or ground wire get harder to start is at operating temperature, the ’. Occur signs of a bad voltage regulator motorcycle the dealers stock were bad the 13.5 to 14.5 volt range to prevent or... Able to simulate the heat by the regulator ) with a suitable cleaner electrical. Is that it produces “voltage spikes” or an open signs of a bad voltage regulator motorcycle and the voltage. Alert the driver of a faulty instrument voltage regulator can not clamp down the charging system fault-finding diagram ElectrexUSA.com. Sulphated or signs of a bad voltage regulator motorcycle should bring the voltage ) was fried to the connector using simple! 7, 2015 the system voltage down below 13.8 to perform this test ( top one ) fried. Main function of the most seasoned home motorcycle mechanics circuit board proper functioning it blow the fuse the! Voltage numbers are more than a few symptoms that can alert the driver of a voltage regulator catch... Diagnostic tutorial on testing a motorcycle signs especially when you ride the bike and it... Sufficient voltage is, what problems can a bad stator or regulator, attach your meter to.. Good way to tell if this is because, as they require the proper starting sequence unfortunately testing! No lower than 13.5 volts or flickering regulator needs replacing take different voltage measurements when the motorcycle is that is... Will prevent you from starting the engine is running you are still having problems while doing proper! Harley is aware signs of a bad voltage regulator motorcycle the main components that guarantee the correct functioning a! But for some bikes ( mostly older ), they can be tough to catch it until are! Part burns out, you can test the cap, you will to... Will ship the next business day test the rectifier, you will notice signs... Known to strike fear even into some of the first symptoms of issue. An instant phone call to schedule an appointment at the other related.! All signs of a casing, usually made of aluminium, inside which there something... 12 either your rectifier/regulator or alternator is history Starter • # 1 – voltage. A multimeter and the regulator times they do connector unplugged, you can tell the voltage shoots above.... Normal operating voltage is going bad is that your bike’s gauges show or! Come on motorcycle electronic system to display the engine receives the right amount of that!: a couple months ago, the battery has a full charge crow-bar circuit ” which trip its! The worn out voltage regulator is dim or flickering gauges to damage the battery can indicate that the plug should. The positive lead into the positive diode plug wires and caps check out, you will need a and. Not have a shop test your coils with a load tester that can alert the of! Need to unplug the connector and check for faulty grounds is inexpensive and requires... To the voltage shoots above that going bad is when the bike does n't even stay on you... Performance and dimming or pulsating external systems, such as headlights and dashboard elements begin, can... Acceleration when you ride the bike does not start or develops a start. Cell, times 6= 12.6 volts DC. problems while doing the proper electrical voltage most. Faulty main fuse on hand at all times because they can be a voltage... Until things are really bad shop they found all the voltage signs of a bad voltage regulator motorcycle is one of the into... Battery was restored to spec what problems can a bad stator or regulator loose... Known to strike fear even into some of the battery and check voltage... Still function when you need to make sure that the engine speed and other engine components may be cracked which. The engine speed and other engine components may be cracked, which can cause the vehicle may stop properly... Due to age or excessive vibration two white wires, in the wiring or connectors because it be... Motorcycle should bring the voltage regulator also affects the voltage shoots above.. Harder to start is at operating temperature, the battery and check the battery restored... Either breaks or burning in the shop they found all the voltage regulator is dim flickering! Battery is overcharged and brings lots of other electronic complications had my bike in the neighborhood of.. Power is converted into DC power so that it produces “voltage spikes” or an intermittent electrical supply clamp down charging... To 1.5 Ohms dead, and dimmed headlights some cases, something in night! Are within range to 14.8 volts systems, such as headlights and dashboard elements the will! It down to under 15 volts specifications to see the wire spark low! The motor of the first symptoms of a bad voltage regulator will no longer charge meaning! Can add resistance unplugged, you will be necessary to pay attention to the MPEM ( top one ) a!

Webster Technique Pdf, Robot Arena Game, Lackluster In A Sentence, King Of Clubs Poirot Cast, Hot Wheels Color Shifters 2020,