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1992 Pontiac Firebird sparks at battery terminal

Tiny
FIREBIRD 101
  • MEMBER
  • 1992 PONTIAC FIREBIRD
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 133,000 MILES
Hey, I took the starter off and then the knock sensor, but the coolant I forgot to drain got all over the wireing harness/starter grounds. So I let it drain, put sensor back in, and starter back on. Now when I am connecting the bat. Terminals there is a big spark everytime. The coolant also got on the neg ground to engine from battery, I was wondering what could be making the battery do this, and how can I fix the problem? Thanks alot, I appreciate it!
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Sunday, October 11th, 2009 AT 5:45 PM

5 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
Check that you have not hooked up an earth to the starter pos terminal, wet electrics should not cause this problem.

Mark (mhpautos)
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Sunday, October 11th, 2009 AT 8:22 PM
Tiny
FIREBIRD 101
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I have indeed checked this ground on the starter, there seems to be no mistake, could anything else cause this to happen? There is no electrical devices on.
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Sunday, October 11th, 2009 AT 8:39 PM
Tiny
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I would un do the starter electrical terminals and make them safe, then try the battery again, this will show if it is indeed the starter causing the problem.

Mark
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Sunday, October 11th, 2009 AT 9:49 PM
Tiny
FIREBIRD 101
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I have disconnected the starter and tried to attach terminals, but it still sparked?
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Monday, October 12th, 2009 AT 2:48 PM
Tiny
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  • 31,938 POSTS
You will have to pull all the fuses one at a time and any fusible links to isolate the problem circuit.

Mark
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Tuesday, October 13th, 2009 AT 3:53 AM

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