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  1. 2nd Gen Engines and Technical Discussion
    On the fence here. I think I've read every thread on the subject, but thought I would start my own. Since I got bigger tires, I really just want to fix my speedometer/odometer, but also wanted to see what the options were. Rough Country Inline Speedometer Calibrator this technically doesn't...
  2. Diesel
    2019 ZR2 diesel with 33s and 4.10s. I have a Rough Country speedometer calibrator that seems to be working fine, the speedo is dead on after I calibrated it. I put the 33s on first and calibrated the speedo, cruise worked fine. Cruise stopped working after the gears were installed. I half...
  3. 2nd Gen Engines and Technical Discussion
    Just bought brand new 2021 gmc canyon at4. The speedometer never goes down to zero and while driving the speedometer always runs about 2 mph higher than digital read out. Steering wheel also offset about 5 degrees to the left. Anyone else experience this and have any tips?
  4. 2nd Gen Tires, Wheels, and Suspension
    Has anyone else run into this with the RC inline speedometer calibrator? I have a 2018 Z71 and the module says it's for 2017/2018 GM trucks. The harness I removed is in the exact location as the instructions, but it's a 12-pin harness and the harness I received from RC is 16-pin.
  5. 2nd Gen Electronics, Audio, and Lighting
    Has anyone else run into this with the RC inline speedometer calibrator? I have a 2018 Z71 and the module says it's for 2017/2018 GM trucks. The harness I removed is in the exact location as the instructions, but it's a 12-pin harness and the harness I received from RC is 16-pin.
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