electrical system woes
07-21-2005, 08:59 AM
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electrical system woes Alright I have replaced the starter and replaced the alternator recently on this car. New battery is also in the car. The other night I noticed a steady decrease in voltage while the vehicle is running. I removed the alternator and had it tested, came out bad. I replaced the alternator and am still suffering the same low voltage while the vehicle runs. How should I go about trouble shooting this? I have checked all the wires but plan on going back though them more thoroughly tonight. is there a fuseable link that could have popped? Any direction on this would be greatly appreciated.
07-26-2005, 02:19 PM
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Alright, I noticed the smaller wire to the top of the alt. was cut. I re attached it. Now the car shows good volatage While at anything but idle. Once the car is allowed to idle for a bit the voltage starts to draw down agian. Could the pulley supplied with the alt be too big in diameter?
07-27-2005, 02:20 PM
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Originally Posted by thebandit
Alright, I noticed the smaller wire to the top of the alt. was cut. I re attached it. Now the car shows good volatage While at anything but idle. Once the car is allowed to idle for a bit the voltage starts to draw down agian. Could the pulley supplied with the alt be too big in diameter?
07-28-2005, 02:18 PM
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While the car is actually moving meaning not at idle the voltage is fine. When I come to a stop at a red light, stop sign, etc. The voltage starts to drop. If the car sits long enough it will then drop into the "yellow" area of the gauge. Could this have anything to do with the battery going bad? The stock battery is still in use and has been drained a few times (with the recent starter problems) and could be on it's last leg. Thanks for the help as I am not skilled when it comes to electrical systems.
07-30-2005, 11:33 AM
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If your having problems starting the car then I would suspect the battery. The battery is just there to start the car, and if your alt is bad then the battery will take over. I would suggest looking at the belt, maybe your belt is badly worn and causing strain on the alternator and not turning the alt enought to produce enough amps. Good luck!
