LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Could extreme heat (from a header) cause electrical issues?

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Old Jul 20, 2007 | 01:29 PM
  #1  
sabre81's Avatar
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From: Western New York
Could extreme heat on wires from a header cause electrical issues?

The bunch of wires that go up the passenger side of the engine bay(do they goto the pcm?) were touching my header and burned through the plastic casing, but didn't actually burn through any of the wires(although here was some white soot on them). Is it possible this could have caused these DTC codes???

36 Distributor ignition system (faulty high resolution pulse or extra low resolution pulse detected)

42 Ignition Control (IC) circuit (shorted or grounded circuit)

I just installed a brand new opti, coil, wires, icm, and i'm still having the same trouble as before.

Thanks

Last edited by sabre81; Jul 20, 2007 at 02:19 PM.
Old Jul 20, 2007 | 01:51 PM
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Danny McAdams's Avatar
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From: Hendersonville Tn.
I burned the same ones, I believe they went to starter and o2 sensor on pass. side. Danny Mc
Old Jul 20, 2007 | 01:56 PM
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From: Maryland
the only think that might cause those code in the wires there is the ground wire. but i am not 100% sure
Old Jul 21, 2007 | 10:03 AM
  #4  
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From: Post Falls, Idaho
I would replace them right now weather they are the cause of the codes or not. Be sure it fix what burned them so it doesn't happen again since i would guess this will be a pain in the butt thing to do. I would love to see someone here put the instructions on here if they can.
Old Jul 21, 2007 | 10:10 AM
  #5  
dangalla's Avatar
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From: lakeville, pa
Originally Posted by Danny McAdams
I burned the same ones, I believe they went to starter and o2 sensor on pass. side. Danny Mc
i think one goes to the knock sensor also
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