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  1. Sparksalot

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    What do you use to feed the data?
  2. Sparksalot

    Has anybody found a decent portable compressor/inflator?

    I used a Viair 88p for a long time before I mounted onboard air. Fills 4 tires from 20 to 40 psi well.
  3. Sparksalot

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    I do that quite often. Works well.
  4. Sparksalot

    What did you do to your 2015-2020 K2XX Tahoe/Yukon Today?

    Hauled some stuff. It IS a truck after all donchaknow.
  5. Sparksalot

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    I was half thinking of popping the case open to see if there was something obvious that jumped to my attention.
  6. Sparksalot

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Trying to get under 3mpg. Did a range of throttle conditions that would normally trigger V4, but it stayed in V8 as desired.
  7. Sparksalot

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Works fine. It was fun watching instantaneous economy. Low of 3mpg up to 59. One is closer to reality than the other.
  8. Sparksalot

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    My “spare” range device powers up in thecopcar. I’ll drive it later to check functionality.
  9. Sparksalot

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    My Scangauge is still functioning though. I use a Y cable to connect both. I tried bypassing the cable and putting the device straight into the obd but no change.
  10. Sparksalot

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    The device is 4 years old so I doubt it. The one from thethirdtwin is newer and much less used since I put a canned tune into that truck like @Doubeleive suggests.
  11. Sparksalot

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    I noticed thecopcar driving a bit rough yesterday. Today I noticed the light on the range afm device was out. Flipped the DIC to instantaneous mode and noticed it was going in and out of V4. I have the spare range unit that had been in thethirdtwin. Will try it tomorrow.
  12. Sparksalot

    What is this cable for it’s disconnected/broken

    It’s for the rear glass defogger. You can use this stuff to reattach it. Works like a champ. https://www.amazon.com/dp/B01EAMB1W4
  13. Sparksalot

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Texas just eliminated this in 248/254 counties beginning in January. Thecopcar registration comes up in December, so I just did the very last one a few days ago.
  14. Sparksalot

    What’s your cars name?

    the software hates hospitals now.
  15. Sparksalot

    Checked my engine hours today

    Holy chit. Mine is over 9800 hours and now 211k miles.
  16. Sparksalot

    Curb Rash Black Wheels

    Curb rash. Never heard of her. Rock rash, now that’s a badge of honor.
  17. Sparksalot

    Lurking no longer, now a PPV owner

    Welcome aboard. Nice looking truck!
  18. Sparksalot

    Practical repurpose of second battery ?

    You might look through the GM Upfitter guide to see if they were available with the isolation relay, and what the number is for it. In the gmt900 PPVs they were available with and without the relay. Thecopcar didn’t have one while theothertwin did. If I remember it was a common multipurpose...
  19. Sparksalot

    Rain sensing wipers message on startup normal?

    Mine does this each start.
  20. Sparksalot

    --- Photos: SPOTTER'S THREAD (post up all years/models) ---

    It’s got an A-Team stripe. Means you gotta jump it.
  21. Sparksalot

    --- Photos: SPOTTER'S THREAD (post up all years/models) ---

  22. Sparksalot

    Does my radiator have an engine oil cooler?

  23. Sparksalot

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Yep, heater cores usually have both connections at one end, but the tank has a baffle.
  24. Sparksalot

    Does my radiator have an engine oil cooler?

    Based on the last pic it doesn’t appear you have the extra lines going to the driver side end tank. Those would be for the oil cooler.
  25. Sparksalot

    There are just some days I wish I didn't turn wrenches

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