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    Fuel Guage Woes - ‘99 Yukon with 4.8

    Have a 99’ Yukon that I swapped in an 07’ 4.8, 2002 harness and a 411 pcm, tuned with Tunerpro. Having issues with getting the fuel gauge to work. Tried various pwm settings. Gauge output is on Pin 38 Red, and have continuity to the cluster pins. When I look at the fuel level with Tech2Win, it...
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