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  1. J

    Alternator dies, now multpile systems down (BCM?)

    I took a chance and ordered a BCM with the same part number off of ebay for $72. Swapped out the old one for it, reinstalled the battery and guess what?? I SAW MY DOME LIGHTS COME ON! I ran over to turn the key and she started right up. It does look like it will need programming, the radio says...
  2. J

    Alternator dies, now multpile systems down (BCM?)

    Wow, that's pretty awesome.. Worth a look definitely. I had been looking on ebay for one. I guess they're mostly knockoffs, but should get the job done, right?
  3. J

    Alternator dies, now multpile systems down (BCM?)

    Yeah, there's just the one mega fuse and power is passing through it.
  4. J

    Alternator dies, now multpile systems down (BCM?)

    Yeah, definitely needs to be scanned. I'm in oklahoma city. I could tow it to the shop, i just wish i could do this myself.
  5. J

    Alternator dies, now multpile systems down (BCM?)

    They're all good and receiving power with the exception of the unlock/lock fuses and swc_bklt which are good fuses, but not receiving power. I can remove the fuse and check the socket with test light or meter and there's no power.
  6. J

    Alternator dies, now multpile systems down (BCM?)

    I did find this.. https://www.justanswer.com/gm/368an-2007-yukon-denali-dome-lights-wont-on.html This is what worries me. My courtesy fuse is good and receiving power, you'd think the courtesy lights would be on. I can't manually turn them on at all. Such a headache.
  7. J

    Alternator dies, now multpile systems down (BCM?)

    That's true, but would a bad alt alone immobilize the vehicle? No crank, no start.. Not to mention the other issues. I had gone as far as removing the fuse portion from the block, are you saying actually unbolt and remove the block entirely? When I had it apart, like you said, the two handles...
  8. J

    Alternator dies, now multpile systems down (BCM?)

    I had read that too.. the grounds appear to be tight. I am able to get good ground off block, body and frame. When i connect to battery, i can hear fuel pump or ecm powering up. Getting 12v along the positive cable, 12v at mega fuse, 12v at fuse block, 12v on fuses.. all except those that aren't...
  9. J

    Alternator dies, now multpile systems down (BCM?)

    It was bad, they tested it and i did buy a new one. No change.
  10. J

    Alternator dies, now multpile systems down (BCM?)

    First time post here guys, i think this is where this belongs.. 2007 GMC Yukon So, i was driving down the road when, suddenly, "charging system failure" or "service charging system" displays on the dic. Voltmeter gauge showed voltage down to about 10-11 volts, battery light illuminated. So I'm...

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