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Hooked battery up backwards in my haste

Tiny
TIM10701
  • MEMBER
  • 1997 FORD THUNDERBIRD
  • 11,700 MILES
I have 1997 thunderbird LX with a 4.6. Now I have no spark. Checked all fuses all fuses are good. Now what? Tim M. Chicago Took battery out, hooked it up backwards by mistake, now has no spark. What to do.
Tuesday, April 24th, 2012 AT 8:28 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
What has no spark? If you took it out then hooked it up backwards you wouldn't have hurt things under the hood. The battery may be damaged, but really shouldn't be.
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Tuesday, April 24th, 2012 AT 8:30 PM
Tiny
TIM10701
  • MEMBER
  • 3 POSTS
The car ran fine batt. Went dead I replaced it hooked batt. Pos to neg. And neg to pos. Now will not start no spark at sparkplug wires
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Tuesday, April 24th, 2012 AT 8:43 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
Check main fuses under the hood, check fuseable links.
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Tuesday, April 24th, 2012 AT 8:54 PM
Tiny
TIM10701
  • MEMBER
  • 3 POSTS
All fuses under hood are good looked around could not find any fuseable link
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Tuesday, April 24th, 2012 AT 8:58 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
Check for power to the crank sensor and coils.
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Tuesday, April 24th, 2012 AT 9:05 PM

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