put on wrong jumper cables

2000 CHEVROLET CAVALIER
4 CYL • 2WD • AUTOMATIC
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CAR4HELP
  • MEMBER
  • 1 POST
i pput my battery cables on backward and now my car won't start
Feb 4, 2011 at 4:50 PM
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JDL
  • ✓ASE Certified Mechanic
  • 16,098 POSTS
  • ASE Certified Mechanic
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.
Feb 4, 2011 at 8:18 PM
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