Reversed battery

Tiny
DOCTORJELLY
  • MEMBER
  • CHEVROLET TRUCK
I accidently hooked up my friend's battery backwards. What could it have fried?

It is an '85 Chevy 1/2 ton with a 305.

Also, the altenator sent up a huge spark when both terminals were hooked up.
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Thursday, May 24th, 2007 AT 10:57 PM

4 Replies

Tiny
E40WATER12
  • MEMBER
Could have popped a few couple of fuses, Just try to hook up the terminals properly, See what happens.

Good luck.
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Friday, May 25th, 2007 AT 2:12 AM
Tiny
DOCTORJELLY
  • MEMBER
Tried, this happened almost a week ago. It turns over no problem, but we're getting no spark from the plugs so it won't start. After re-timing it and still not working, we replaced the plugs, wires, cap, and rotor, but to no avail. One of my other buddies thinks it's the ignition control module.

I've checked a couple of the fuses in the block inside the cab, but not all of them. Are there any inline fuses, or another fuse block somewhere that I'm not seeing?

*Edit* And what about the computer? Or were there cumputers on that old of a rig?
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Friday, May 25th, 2007 AT 3:20 AM
Tiny
RASMATAZ
  • MEMBER
Start by checking all your fusible links maybe at the starter or within the batt. Pos. Cable or a power distribution and then check all the mini fuses.
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Friday, May 25th, 2007 AT 6:39 AM
Tiny
DOCTORJELLY
  • MEMBER
Ok, it turned out it was the ignition control module, so we got the little beast running again.

Thanks for the help e40water12 and rasmataz!
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Friday, May 25th, 2007 AT 10:35 PM

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