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  1. #1

    Default 1984 C20 Gas Gauge Wiring

    Long story short previous owner rigged some wiring after removing passenger fuel tank. Wiring wrapped itself around my driveshaft. Gas gauge quit working. I have 2 red and 2 green wires on the passenger side and 2 greens 1 red on the drivers side. The red wire plugs were melted and/or mangled....

    I havent been able to find a good wiring diagram for us noobs though I have done a little research.

    Can I just patch the greens and reds or is that just the sending unit/tank switch? Guessing on my fuel level is a pain in this beast.

    Thanks in advance

  2. #2

    mfleetwood's Avatar
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    Jul 2010
    Denver, CO
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    Welcome to the Club! Unfortunately, I do not know the answer, but I am sure someone will be along soon who does. In the meantime, I pasted below a thread that will link you to a Chilton's manual...I hope this will help somewhat. Good luck in finding an answer soon!

    Mike (Denver, CO) - 2008 Sierra 1500 Z71 SLE 5.3L 4WD

    SUSPENSION: Rancho 4" Suspension Lift; Rancho RS9000XL Shocks; Rancho Skid Plates; Rancho MyRide Wireless Shock Controller;
    BFG All Terrain KO 315/70/17
    DRIVE TRAIN: 4.56 Gears; Detroit TrueTrac Differential; True Cool 40k Transmission Cooler
    PERFORMANCE: DiableSport Predator Tuner; Custom Tuned by Diablew; Magnaflow Exhaust; AFE Cold Air Intake
    ELECTRONICS: Kenwood DNX6180 Touchscreen; Subthump box w/10" Kicker; Driver Information Center (DIC); Rear View Camera
    ACCESSORIES: Westin Brush/Grill Gaurd; Westin Nerf Bars; Truxedo Tonneau; 20% Tint; Tow Mirrors w/Heat & Signals

  3. #3


    That link doesnt seem to be working... checked it earlier. Stickies are a good thing. =)

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