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  1. grnphrog

    Looking for HVAC Control circuit board schematic

    I'm trying to replace my 2005 GMC Yukon knob and button heater control a touch screen operation. I'm trying to figure out the circuitry using a multi meter but I'm having some difficulties because I dont know what the values relate to. I am trying to find the circuitry schematics for the...
  2. grnphrog

    Radiator coolant change

    Unbelievable! Spent 30 minutes trying to get that dang spring clamp off, and another 30 minutes trying to put it back on. I read your tip about putting on the 'Stainless Steel' clamp... and went straight to the auto parts store to buy one... I've removed the hose 4 times since and each time it...
  3. grnphrog

    what is this unused electrical connector; interior fuse box location

    Thank you all for your replies, i really appreciate the efforts :) I do have a 4wd without the stabilitrac, i checked for power as mention above but didnt try it with the hazards on. i'll do that in a bit. i was thinking it might be for heated mirrors, but apparently my rig came standard with...
  4. grnphrog

    what is this unused electrical connector; interior fuse box location

    I do have Rear Glass that opens, and no barn doors.
  5. grnphrog

    what is this unused electrical connector; interior fuse box location

    Duh... Meant to check that first. Just checked it and no power at all. Checked it with no key installed, key to On position, and with car running. Nada o_O
  6. grnphrog

    what is this unused electrical connector; interior fuse box location

    I have an unused electrical connector found in the interior fuse box... i added a couple of pictures for reference. Thanks for looking =)
  7. grnphrog

    Radio and interior lights won't turn off...

    Just did this for my 2005 Yukon, however, it didnt help me. I still am getting the Drivers Door Ajar warning. Looks like a RockAuto order for me! Great write up and worth the time to just to make sure. Thanks!
  8. grnphrog

    Cluster, Radio, HVAC LED Swap Polarity Info.

    I needed the same info and was excited to find this, but I'm stumped now... This diagram shows the solder points being next to each other (Left to Right, East to West, what ever orientation you want to use) but my radio has them being North/South (Up/Down, Top/Bottom) orientation. With that...
  9. grnphrog

    Cruise control not working

    I have something to add: 2005 Yukon SLT, here. I had the same issue with Cruise Control (CC) not working, and even replaced the Brake light switch, which didn't work. But it was this post that made me think of my brake lights. I had replaced my brake lights with LED lights and didn't use...

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