94 Jimmy wont start

Tiny
RYAN_WALLACE
  • MEMBER
  • 1994 GMC JIMMY
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
I have a 1994 gmc jimmy it wont start it wont even turn over the batt. Is good
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Wednesday, May 25th, 2011 AT 7:36 PM

3 Replies

Tiny
JDL
  • EXPERT
Are you sure about the engine size and SLE? Didn't see a 4.6L jimmy? The purple wire at the starter solenoid should be hot with key in the crank position. If it isn't, backtrack the circuit. Any testing at the starter, make sure the tranny is in park or neutral and the e-brake is set.

You need to make sure the battery has a full charge and the connections are clean and tight. The generic spec for a fully charged battery is around 12.6 volts.
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Wednesday, May 25th, 2011 AT 8:49 PM
Tiny
RYAN_WALLACE
  • MEMBER
Im not sure about engine size I always forget it but you are correct about the purple wire but it is hot with key on if I try to jump the starter with a screw driver it does not give much of a spark I have done this before when my starter was going bad and the sparks were much more but the starter used to just click when I did that so I replaced it about 4 months ago it also made the teminal on my brand new battery melt out do u think my starter might be bad already what could be causing that? Thank you for your reply
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Thursday, May 26th, 2011 AT 5:48 AM
Tiny
JDL
  • EXPERT
You may need to replace battery cables and applicable engine grounds. What is the actual voltage reading at the starter, key in the crank position?

Is the engine froze-up? Can you turn the crankshaft at the flywheel or crankshaft pulley? You may need to remove spark plugs and accessory belt/s. Then see if it will crank?
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Sunday, May 29th, 2011 AT 8:34 PM

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