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  1. S

    Electrical problems with 07 Yukon

    Yes, if I had just started with the tech 2, I would have saved a lot of money and time. At least now I have a shinny new battery cables!
  2. S

    Electrical problems with 07 Yukon

    Success! I went ahead and replaced the BCM this evening and it started right up. Everything seems to be working fine now (engine cranks over and starts, dome lights, radio, door locks, ect). I decided to buy a used BCM that was programmed for my VIN instead of trying to program it myself with...
  3. S

    Electrical problems with 07 Yukon

    I went ahead and replaced the positive battery cable yesterday and I went through every fuse. Didn't make a difference. The dash board still lights up, climate control system has power. No dome lights, no power in the doors. The headlights work but the high beams don't. No blinkers, fog lights...
  4. S

    Electrical problems with 07 Yukon

    Ugh, no I didn't do that. I didn't see any oil leaks up there, so hopefully it's fine for now. Anyway, taking the intake manifold off turned out to be easier than I thought it would be. Only real problem was getting the fuel line disconnect to release. Had to buy three different tools before I...
  5. S

    Electrical problems with 07 Yukon

    Here's a pic of the nest (maybe it was a squirrel?):
  6. S

    Electrical problems with 07 Yukon

    Here's the new battery with the new negative battery cable installed. The positive terminal looks pretty clean. I replaced the mega fuse this morning just for kicks: And here's a pic of the engine ground (the contact is cleaner than it looks here):
  7. S

    Electrical problems with 07 Yukon

    Do bite marks count as corrosion?
  8. S

    Electrical problems with 07 Yukon

    I have a 2007 Yukon SLT 5.3L that is having some strange electrical problems. It had been running perfectly for some time now, no real electrical problems. The other day I went to start it after letting it sit for a couple weeks (the joys of working from home) and there was no power at all, no...

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