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  1. W

    Blower motor help

    This weekend I pulled the dash to swap my air defuser thing behind the dash. While I had it out I swapped the dash itself due to it being cracked and in bad shape. When I had the wiring harness out, I found a white wire and a purple wire that were both wrapped in what looked like duct tape...
  2. W

    A/C Help

    Noticed last week my A/C stopped blowing cold and the compressor is not coming on. Truck is a 99 GMC k3500 OBS. So far I have done the following. Checked pressure at the compressor and it checked fine. Checked the fuse, also checked fine. Tried jumping low pressure switch. Compressor does not...
  3. W

    99 K3500 PCM

    Due to an internal issue with my PCM in my truck, I need to replace it. Problem is, the paint is all gone and there is no sticker on top showing the part number. My mechanic pulled the number 09374044 with is SnapOn scanner but that brings up nothing when either him or I do searches for the...
  4. W

    Torque converter issues??

    Trying to figure an issue with my 99K3500/454/4L80E. Ever since I have owned this truck after it warms up for a bit it will want to, and has died. Normally does it when in reverse but has done it in forward. I'll stop at a stop sign and the truck will idle fine then idle down to the point of...
  5. W

    Fog light valance questions

    Multiple questions here that I'm sure has been beaten to death over time. I'm wanting to put fog lights on my 99 that will looks factoryish. I don't want the diesel bumper route so it's looking like the valance style is the way to go. Does anyone make a valance with the openings for both the tow...
  6. W

    HVAC help

    Hoping for some HVAC help in my 99. First is the A/C. I turned it on to check if it worked. Was told by the previous owner that the switch didn't and the way got it to work was jumping it at the relay under the hood. I got a different HVAC control panel and put the relay back in and tried the AC...
  7. W

    Newb from Iowa

    Newbie joining the GMT 400 ranks. This is my 99K3500 I bought back in November. Has the 454 in it. Slowly starting to make it mine. Swapped out the regular bench for the 60 40 earlier this week. Would love to find a bumper like the on pictured. Plans include LEDs, some sort of fog/ driving...

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