Quote:
Originally Posted by ctrlz
Bad alternator is a possibility, particularly if you have a bad diode and AC is going out. This can be tricky to detect, but maybe modern all-in-one alternator testers pick this up. If there is a bad diode you can get unregulated voltage spikes at higher rpm's.
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Well I’ve noticed. If I’m at a dead stop, it won’t come on. But the moment I start moving till go off. If I’m on the highway with cruise control, doesn’t come on. Only comes on if I accelerate, turn hard, brake hard, etc. then sometimes it’ll just constantly flash at me for no reason. It’s hit or miss, not sure if that helps pinpoint it or not.