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1995 GMC Jimmy not starting

Tiny
JLBRAY
  • MEMBER
  • 1995 GMC JIMMY
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
I have a 1995 jimmy with around 150,000 miles on it. It will crank but not start. The coil is not getting fire to it. I have replaced the coil and the ignition module, with no luck. What else can it be? I can not get it started to bring it anywhere to get tested. Could it be the crank sensor or the cam sensor?
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Saturday, February 6th, 2010 AT 1:16 PM

2 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hi, did you check for primary voltage at the coil? Pink wire goes hot when you turn on the key, use a testlite, anything? If your fully obd1 compliant, are there any trouble codes?

On the white wire at coil, there should be a tach signal, engine cranking.
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Saturday, February 6th, 2010 AT 1:29 PM
Tiny
OBXAUTOMEDIC
  • MECHANIC
  • 3,711 POSTS
Hello,

Look on the firewall about center way for the following


https://www.2carpros.com/images/question_images/199391/original.jpg



It is called an ESC Electronic Spark Controller. If you have this part your will need to have it looked up under a 94 jimmy.
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Saturday, February 6th, 2010 AT 1:43 PM

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