The third line is the evaporation system/vent line. It goes to the evaporation cannister to control gas emissions. Access to fuel tank sending unit/wires for a 1978; We need to get access to the fuel tank sending unit or primarily the wires to aid in some troubleshooting first. Can anyone give me the wiring schematic for a stock 81 gmc gas line actuator with dual tanks?
Access to fuel tank sending unit/wires for a 1978; We need to get access to the fuel tank sending unit or primarily the wires to aid in some troubleshooting first. Can anyone give me the wiring schematic for a stock 81 gmc gas line actuator with dual tanks? My wiring harness is missing and i am rebuilding one from scratch. Procedures involv ing disassembly and assembly of major components for these vehi cles are contained in the 1978 chevrolet passenger car and light duty truck overhaul manual. At 245 ohms the gauge should read full, 180 ohms for 3/4 full, 160 ohms for 1/2 tank, 100 ohms for 1/4 tank and 42 ohms for empty. The color of wires at the fuel tank is purple.
My wiring harness is missing and i am rebuilding one from scratch. Procedures involv ing disassembly and assembly of major components for these vehi cles are contained in the 1978 chevrolet passenger car and light duty truck overhaul manual. At 245 ohms the gauge should read full, 180 ohms for 3/4 full, 160 ohms for 1/2 tank, 100 ohms for 1/4 tank and 42 ohms for empty. The color of wires at the fuel tank is purple.
At 245 ohms the gauge should read full, 180 ohms for 3/4 full, 160 ohms for 1/2 tank, 100 ohms for 1/4 tank and 42 ohms for empty. The color of wires at the fuel tank is purple.
The color of wires at the fuel tank is purple.
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