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    Wiring issues in a K3500 turbo diesel

    Guys could anyone lead me to wiring diagrams of the engine electrical on a 97 K3500 with the 6.5 turbo diesel and a manual trans? Specifically the ignition system. I have had a rat get in my engine compartment and eaten a bunch of wires in spots. I found a few burnt wires going down to the...
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    1991 K1500 Chevy engine issue.

    I've now replaced both the knock sensor as well as the electronic spark control, and still have the same issue. Under hard acceleration it backfires and acts as is if can't build power. If you were to mash it to the floor then let up on the throttle about half way it clears up and pulls off...
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    1991 K1500 Chevy engine issue.

    Purchased a new connector today and spliced the wire I believe has to be it. (Only broken wire down there i can find), and still no change. Idles smooth but bogging on acceleration and occaisional backfire. Still throwing a code 43. Not sure what my next step. Perhaps change the knock sensor?
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    1991 K1500 Chevy engine issue.

    Well after a little more checking this evening I discover the entire wire and plug for the knock sensor is gone. I believe I located the wire, but now have to find a plug to splice in and hopefully that will help. Is there only the one knock sensor on the obd1 early 90's trucks?
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    1991 K1500 Chevy engine issue.

    Thanks for that info. Just went out and performed that task and the only code showing is 43. After google search I'm assuming that it's a bad knock sensor? Does this sound correct?
  6. H

    1991 K1500 Chevy engine issue.

    hi guys. I have a 1991 K1500 that was my first pickup that I have been restoring. Half way thru the project it got put off for several years because of a change of employment. I've now started the project again, and run into an issue with my engine. It's a 350 that I built. It is mainly all...

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