My battery will not hold charge, both the battery and alternator were tested and found to be ok. The check engine light is on but the scanner found no codes. Any help would be awesome
90 dodge ram
Dec 22, 2005
3 Replies
Was the alternator checked on the truck? The regulator is part of the engine control module. If it's going dead over night, there may be something draining the battery. Like a lamp in the glove box??
Al
I believe the '90 still has a seperate regulator.
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