wiring

  1. E

    Looking for some help figuring out what is going on

    Yesterday I went to change out the drive side injector return lines and I unbolted the bale connectors but did not unhook them. After I went to start the truck my oil pressure gauge wouldn’t work and my edge wasn’t lighting up. As soon as I touched the screen my glow plug light would come on and...
    • Ethan M
    • Thread
    • wiring
    • Replies: 9
    • Forum: LBZ
  2. T

    Getting 12v at duramax fuse block, but 3v on Avalanche body.

    Well, title says it all pretty much. I'm still trying to figure out my 2012 Avalanche/duramax swap. Finally got everything sorted out wired up, and even put power to it. This was last Friday, and it was great, lights on the dash came on, all the interior lights, and everything seemed to be...
  3. T

    What to do with extra High Speed GmLAN lines

    Yeah me again, with electrical. Again :| So I'm almost done my LBZ to 2012 Avalanche transplant, but I've run into yet another problem. so the J1939 lines for LBZ are all self contained in the engine harness and only go between the ECM TCM and GCM. @kidturbo gave me some insight on how to use...
  4. T

    Gauge DIC from 2012 Dmax with 08 ECM compatibility?

    Hey Guys, to preface I'm swapping an avalanche body-on-frame not transplanting. so far everything has lined up, and I was able to sort out my engine CANBUS problems with great help from @kidturbo, and @duratothemax. I have an 06 LBZ running on an LMM computer using GMLAN to communicate with a...
  5. M

    Transmission problems -- P0722

    2015 duramax 2500HD high country. Code p0722 output sensor we replaced sensor and truck isn’t shifting out of first. And Speedo wasn’t working. Got speedo working but no shifting out of first No broken wires to tcm getting 9 volts at sensor and 9 volts at tcm. Cannot find any wiring schematics...
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