Recent content by Schojo

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    New engine wiring harness

    Nothings a dumb question, Yukon won’t stay alive. I’m not sure how to describe it. First time it happened, car was fine after redoing heads etc for about a week and then I went over a rough-ish bump (was just like a steeper than normal speed bump) car immediately died no sound just off. Wouldn’t...
  2. S

    New engine wiring harness

    I got ahold of GM, I was told they no longer sell the engine wiring harness part 15124981 and that it’s discontinued… now I’m really at a loss on what to do?
  3. S

    New engine wiring harness

    I have a 2004 Yukon 5.3L 2WD. I’m having difficulty finding places for a complete engine wiring harness. We redid the heads on the engine and were being lazy and didn’t remove any wires, just kinda pushed them out of the way. Now we can’t figure out what wires are bad they’re the original wires...
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    Wiring issue, unusual situation

    I don’t have an OE to use and we have a scanner but not one that I can figure out how to do the relearn with. No codes pop up or anything. We rewired the crank sensor as it didn’t have enough volts. Honestly I’m kind of lost on what to do. I don’t know how to manually get to the relearn on the...
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    Wiring issue, unusual situation

    Hi I’m new here but I’m having a kind of odd issue, I’m almost positive it’s just a wiring issue somewhere just not sure where. I have a 2004 GMC Yukon 2WD 5.8L A few months ago the head went out so we bought and replaced the heads on the engine. When we replaced the head we didn’t take off or...
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    Wiring issue - Crank, No Start

    I’m having electric issues extremely similar to OP in my 2004 5.8L 2WD Yukon. We changed the heads and o2 sensor and crankshaft sensor and it will just die randomly while driving. We checked and cleaned the connection for the crankshaft sensor. We haven’t checked the grounds yet, I’m not exactly...
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