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96 Grand Cherokee V8 Wont Start

Tiny
LOVEMY96GC
  • MEMBER
  • 1996 ALL OTHER MAKES
Milage: 116k Started it to warm it up, ran about 10 minutes then died with no warning. There is no spark from the coil, can hear fuel pump, has trigger power to the coil but no constant power to relay. Diagnostic codes were 12-45-55. Disconnected battery overnight to charge, after reconnecting codes were 12-55. Gauge on dash has battery at 12v until trying to start then gauge drops to 8-9v. Please help!
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Monday, January 8th, 2007 AT 10:08 PM

2 Replies

Tiny
LES DANE
  • MEMBER
  • 52 POSTS
If you are sure battery is good, check ground @ engine block. Connection may appear to be good, but most people assume it is a positive problem when in fact it is a ground fault. Remove ground from block, scuff up really good, and try again.
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Friday, January 12th, 2007 AT 11:47 PM
Tiny
LES DANE
  • MEMBER
  • 52 POSTS
Can't find code 12 or 55- 45 is trans code.
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Saturday, January 13th, 2007 AT 12:07 AM

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