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rbau

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Everything posted by rbau

  1. rbau
    Carlos For questions like yours GMUpfitter DOT com is a fantastic resource. Attached a wiring diagram for the K157 Video Processor. Diagram should apply to all '20 - '22 NON-REFRESH 1500's. HIGHLY recommend you download the electrical section for your year pick-up and verify this info for yourself. 20_1500_Electrical_Body_Builder_K157.pdf
  2. rbau
    Fantastic! Would like to buy your 4-channel amp and its wiring! Do not know how to send a pm but my e-mail is r o l o 5 67 4 at ho tm ail dot c o m Edit: spelling
  3. rbau
    Any of this still for sale?
  4. rbau
    GM sells this kit, part number 84669070, that adds a couple fused studs on the 'Battery Distribution Unit'. It is included with the Upfitter Switch kit and as part of the 'Snow Plow Prep' option. There is a Tech Bulletin explaining the kit. Upfitter Tech Bulletin 147b
  5. rbau
    You could try asking Chris White at WAMS. White Automotive and Media Services
  6. rbau
    Welcome to the forum Lionsfan50! Downloading the "Body Builder Manual" from GMUpfitter.com for your year/make is a good place to find this type of info. The "LED Dimming Backlight Control" is circuit 6817, on BCM connector X7 pin 9 - should be a yellow wire. Strongly urge you to verify this info for yourself before connecting anything. Good luck and let us know if it drives your LED the way you expect! BCM_X7pinout.pdf
  7. rbau
    Curious about this as well. Noticed the same two camera connectors on my '19 with UV2 HD Surround Vision.
  8. rbau
    Number one fuse is for the alternator. X50D Fuse Block.pdf
  9. rbau
    TeamNotYou - Welcome to the forum! Are you familiar with the gm upfitter site? You can download the wiring diagram for you '23 truck. Page 7-930 shows the wiring for the wireless charger. Hope this helps!
  10. rbau
    Don't have an answer for you packed-out-ltz but you might find some info in this thread or ask your question there:
  11. rbau
    Do you know what the reason(s) is for this upgrade not working on 2019's? Is it because of the BCM?
  12. rbau
    Attached the wiring diagram for this circuit. Pull relay K2, examine the socket for a pin that may have backed out. Test the socket pins using a test light or multi-meter: with engine off: -Pin 30 has 12v at all times -Pin 86 has continuity to ground with engine running: -Pin 85 has 12v 20_Sierra_1500_Electrical_Body_Buil-pg7-764.pdf
  13. rbau
    Welcome to the site! No power to F26 --> check relay K2. F26 or 'F26DR' in GM speak is powered by relay K2 (in)conveniently mounted on the backside of the fuse block. If you can read a wiring diagram the Body Builder manual from the GM Upfitter site is your friend. Good luck and let us know what you find out.
  14. rbau
    Jason - are you wanting terminals for the X500 connector? You could ask the expert: Harness Doctor. From what I can tell that is a TE Connectivity connector using MCON sealed terminals. This TE data sheet ( Mouser link ) may, or may not, be of some help. Good luck!
  15. rbau
    On longer trips such as to my brother's in northern MN (2/3 four lane 1/3 two lane) or back it does great! '19 LTZ lightly loaded, always 93 premium or 91 pure gas. Usually 23+/- and if the computer is accurate a couple stretches 25+mpg. Soft tri-fold bed cover and everything else stock. Other than that, running errands etc only 17 +/-.
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