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Username Post: side tank guage wiring        (Topic#368377)
Posts: 231
Loc: Cedar Hill, Tx
Reg: 12-01-07
05-08-22 01:37 PM - Post#2840891    

Does anyone have a diagram for wiring the side tanks and the in cab tank to the fuel gauge? I have a switch mounted in the dash with 3 positions and 6 terminals on the back. I took this thing apart a couple of years ago and don't remember where the wires go. This is for a 72 GMC C3500 version of the Longhorn.
I figured out that the sender wires connect to the three terminals on one side of the switch, I don't know how they connect to the gauge.

65 Impala SS convertible 396, T400, A/C, P/S, P/B
72 GMC Custom Camper 133" 402, T400, A/C, P/S, P/B

Edited by dbrewsky65 on 05-09-22 05:48 PM. Reason for edit: No reason given.


Posts: 89

Loc: Arizona
Reg: 03-13-09
05-12-22 12:50 PM - Post#2841108    
    In response to dbrewsky65

I don't know if this will help but the red wire is from the fuse box, green is from the solenoid, blue is the aux. tank sending unit, tan is from the gas gauge, tan with white stripe is from the main tank sending unit.


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