Fuel Tank Selector Switch Wiring Diagram
Fuse panel layout diagram parts.
Fuel tank selector switch wiring diagram. Digital clock seatbelt buzzer warning indicator tachometer choke heater diesel glow plug control electric fuel pump control digital clock window defrost carburetor control courtesy dome cigar lighter warning buzzer a c heater radio tailgate power window power mirror power door lock. I found a couple of trucks in the junkyard that had different tank wiring than mine but i didn t check them out carefully. Posted by monroe matthews on mar 19 2017. Fuel tank selector valve wiring diagram 1985 ford f250 with 460 wires broke off at connector.
Your truck is equipped with a dual fuel tank selector valve which is designed to direct fuel to the engine from one fuel. Fuel tank select switch wiring diagram. Installing electronically controlled fuel tank selector valve 1988 ford f150 i recently had to replace my fuel tank selector valve and it was very challenging due to the fact that there is almost no info online on how to do this and the wiring diagram that comes with the tank selector valve is hard to read and has some incorrect instructions. 1989 ford f150 pickup fuel pump dual tanks removing the bed duration.
Here is some of what it says. 4trax there should be no wire going from the ignition switch to the selector switch unless it is a lighted switch. The fuel tank switch valve is bad. There was a recall for some models in 1989 91.
This power comes from the fuel pump relay. Sending units are passing ground through them to minimize possible sparks in the tank. The dk grn yel wire. 1984 ford f250 fuse box map.
Try replacing the fuel tank selector switch if you have two fuel tanks. The sending unit wires goto the switch and then to the fuel guage. Should have 10 to 12 volts dc while cranking the engine if the inertia switch is not tripped. It is pumping fuel to the other tank instead of the engine.
Astral auto repairs 63 240 views. By connecting the selector switch to 12v you are creating a direct short. Clicking this will. The valve grounds through the body.
I install two single port dual tank selector valves to get rid of the six pork 6 wires back to one single wire in the stock switch work so much better. I think you need a selector valve just my guess. I did notice that they had fewer wires through the firewall and fewer wires connected to the dash switch. You should follow what matt1840 did.
Using a switch that looks like this. When the solenoid is energized it sends recieves fuel to one tank and when de energized it sends recieves fuel to the other tank. One wire goes to the selector valve. The wiring diagram is from my 75 manual but it also matched the donor 81 that i got a fuel tank and switch from.