I have a 2000 GMC Sierra and the battery light stays on in the message center. Even when it's in park and turned off. Is it suppose to do that or not? I just booght the truck today
No, it is suppose to go out when the engine is not running and the ignition off, you may have more than 1 problem here, the computer controls the charging system on this vehicle, so that will need to be checked out and then of course the actual output of the alternator itself, then there is a system called the exit delay, it allows you to exit the vehicle and keeps accessories active for roughly about 10 minutes before it turns it all off, so that system will also have to be checked out.
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