charging system help plz.
#1
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Hi I have a 2001 4.o s type. I have a new battery 2 weeks old or so.I was driving home a few days ago and the battery/charging light came on.I tried to get home but before I made it the lights went out and the engine puttered out. I believed this to be an alternator, so I changed that, got it all buttoned up started it and the volt meter read 11.9 volts. so i charged it, removed it from the charger overnight and these are my test numbers. 12.9 volts to start, then after starting the car and turning it off it read 12.5 volts, starting the car and leaving it running it read 12.05 volts and after shutting everything down reads 12.5 again. now this looks like an alternator to me. before I tear someone up for shipping me a defective part what else should I test, o and I plan on bench testing the alternator I removed tommorrow. any Ideas???
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#8
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ok I am back, and it turns out the bench tester that i checked my old alternator on was faulty, on another bench tester it tested good, after the replacement failed. so 100%now a good alternator in the car, and good battery double checked under load.I am still not charging.alternator suppressor maybe? whats up here?
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