Put on wrong jumper cables

Tiny
CAR4HELP
  • MEMBER
  • 2000 CHEVROLET CAVALIER
  • 4 CYL
  • 2WD
  • AUTOMATIC
I pput my battery cables on backward and now my car won't start
Friday, February 4th, 2011 AT 4:50 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Are you saying it cranks good but won't start? Or it won't even crank? You may have damaged your pcm, can't be sure? Turn key on, check for ref voltage at one of your sensors, an example tps. If no reference voltage I'd have to check voltage and ground circuits at the computer.
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Friday, February 4th, 2011 AT 8:18 PM

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