Newbie needs help with draining batteries.

kjhl725 · #1 (**permalink**) 01-04-2008, 08:32 AM

Hello all! New here.I thought maybe some of my fellow PSD owners might have experienced this....I have a 2000 F250 PSD 4DR 4X4. The batteries are dead in the morning. Both are new as well as the alternator. I can charge them and they will hold fine. I just put the alternator on yesterday, started it, ran fine, parked it and this morning it's dead again. Something is draining my batteries I think. I have searched the forums and couldn't find much related to what mine might be. Where should I start looking, or what is the obvious signs to look for. Thanks!!!

**bigwhite7.3stroker** · #2 (**permalink**) 01-04-2008, 09:47 AM

It could be a fuse or relay that runs the charging system might want start there and I'm sure some of the other guys will chime in with some helpful info

Diesel Monkey · #3 (**permalink**) 01-04-2008, 10:00 AM

Pull fuses, only one at a time and put a volt meter across fuse terminals, you should be able to isolate the problem.

kjhl725 · #4 (**permalink**) 01-04-2008, 10:38 AM

Thanks guys. Where are the chrging system fuses/relays located? Under the dash or engine compartment?

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