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1992 gmc topkick wiring diagram

Wiring diagram

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 1990 gmc 6500 topkick with no spark or injector pulse

You are jumping to conclusions. Slow down.
No spark AND no injector pulse indicates none of the desired outputs were triggered. The ignition module makes spark when it receives a crankshaft position sensor signal, and then transfers control of that spark to the computer after it starts. The module takes its crank sensor signal and generates an RPM count that it forwards to the PCM(main computer) which is used for triggering the injectors and controlling timing. SO, if you had a bad crank sensor OR a bad ignition module, you could lose both spark AND fuel. a coil would not disable injector pulse. modules RARELY fail in a manner that disables RPM reference to the computer causing it to not fire the injectors...At this point, I would TEST the crank sensor as the next step. If its easier, 1 of the wires on the module goes directly there so you can test the crank sensor at the module.

Posted on Sep 18, 2009

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SOURCE: need wiring diagram for a

here is were you can buy them if this helps.
http://www.faxonautoliterature.com/%2F1992-GMC-S15-PickupJimmySonoma-Wiring-Diagram-Manual-Original--P14372.aspx

Posted on Oct 17, 2010

  • 357 Answers

SOURCE: searching for a wiring diagram for a 1992 gmc for

http://www.alldatadiy.com/

Posted on Jan 16, 2011

emissionwiz
  • 76164 Answers

SOURCE: will a detroit 8.3 from an 88 gmc dump fit into a 94 gmc topkick

Great question with no answer.

Posted on May 25, 2012

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