1989 GMC Sierra won't turn over

Tiny
NANCTOMT
  • MEMBER
  • 1989 GMC SIERRA
  • V8
  • 4WD
  • AUTOMATIC
  • 70,000 MILES
When I hit the key the temperature gauge jumps to the the highest setting and goes back down when I release it. The engine won't turn over.
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Sunday, August 16th, 2009 AT 1:17 PM

1 Reply

Tiny
JDL
  • EXPERT
Hello, I guess your saying, the starter won't crank? Make sure the battery has a full charge and all battery connections are clean and tight on both ends. Did you try cranking in neutral? The smaller wire at the starter solenoid, usually purple, should be hot with the key in the crank position. Is it? If not, backtrack the circuit, possibilities, faulty wiring circuit-- neutral switch-- ignition switch.
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Sunday, August 16th, 2009 AT 1:31 PM

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