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Battery problem

3361 Views 13 Replies 5 Participants Last post by  yan7gin
Hey guys, I have a 1988 f250 7.3 and my gear shifter broke off right above the transmission (zf5) so I welded it back. I removed both battery negative cables before I started. The next couple of mornings I went to start the truck and had low voltage. Like 5.3 volts on the cranking battery. So I had the alt checked and the stator came back as bad, luckily it was still under warranty so I replaced it. The next morning, same thing low voltage but this time it was .3 volts. I took the battery to Walmart to have it checked , it was less than a year old. After waiting 1hr and a half it came back good. So I get back home and check amp draw with everything off( even underhood light) and I had a 3.5 amp draw. I checked every in cab fuse one at a time with no change. I had to leave for work shortly after. As I return this weekend I bought a new voltage regulator from advance. Hooked it up and no fix, the amp draw is now dang near 5 amps. I'm needing help with this one guys. Oh and my battery light is on as well.
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This will help you for battery voltage. If you have another battery from another car, put it in the truck and check if you still have the draw

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glad you got it figure out
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