Question about Cars & Trucks
Have you replaced the voltage regulator?
Unless you have changed the charging system and eliminated it, the alternator does not have a built-in voltage regulator like the newer ones do.
Posted on Feb 06, 2013
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Posted on Jan 02, 2017
SOURCE: I HAVE A 1995 ISUZU
Could be one of two things.
1. Your starter motor is no good.
2. If you turn on your lights and try to start the car and they dim to almost black, then you need to check the battery connections.
Posted on Jan 03, 2009
RAP stands for Retained Accessory Power. It is the circuit responsible for powering accessories when the key is off. Sounds like something is staying on that shouldn't. Hard to say what though with the information here. if this started happening right after you put in the new radio i would check into that. otherwise start checking accessories like power mirrors,seats, locks and see it something is staying on that shouldnt. i good one to check would be the glove box light or the light under the hood. you can unplug them and then test your draw to see if thats where is was.
Posted on Mar 28, 2009
Make sure all connections at alternator are attached. On some, the regulator is inside the computer and if bad, requires computer change.
Posted on Jun 26, 2009
SOURCE: Battery not charging
I would check the altenator again. if you didnt disconnect the battery and a spark shot off while installing the new starter it could have decharged the spool on the inside of the altenator to where the spool no longer charges. if you have the altenator checked for consistant charging and it comes up good check the relay for the altenator it most like will have messed up the relay. to make a long solution short check the relay for the altenator it will be in the relay box under the hood.
Posted on Jul 08, 2009
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