Fuel selector valve?
- Thread starter idipwr
- Start date
2stroke
Full Access Member
On a 1986 they are pin 1&2 have 12v and ground, it chnges from one to the other with the tank switch position on the dash. pin 4 goes to the fuel guage and pin 3 is front tank sender and pin 5 to the rear tank sender. Check this against yours if it doesnt check out I can look up your year--what year you got? Also they do not have a default, the can stay stuck in either tank position or even in between. They even do weird things as draw fuel from one tank and return to the other. Had this happen fuel started to run out of one of my tanks. Also you can drill out the rivits and open this thing up and fix it.
gandalf
Senior Member
Are the pins actually labeled? Are they 1 through 5 front to rear? Do you have color coding?
I'll attach a picture of the FSV with the cable connector coming out the bottom. I have another picture (2 actually) showing the wires themselves, but they're a bit fuzzy. This picture is from my '92 CC.
You said that #4, I believe, goes to the gauge. So, that single wire feeds the gauge, showing the condition of either tank, depending on the dash switch. True?
I'll attach a picture of the FSV with the cable connector coming out the bottom. I have another picture (2 actually) showing the wires themselves, but they're a bit fuzzy. This picture is from my '92 CC.
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You said that #4, I believe, goes to the gauge. So, that single wire feeds the gauge, showing the condition of either tank, depending on the dash switch. True?
he said,,3 and 5 are the gauge wires.. front and rear..
2stroke
Full Access Member
Again on 1986 Pin 1--BR/W Pin 2--R Pin 3--DB/Y Pin 4--Y/W Pin 5--Y/LB
gandalf
Senior Member
What I believe he is saying is that #3 runs between the FSV and the front tank sender, #5 runs between the FSV and the rear tank sender, and #4 runs between the FSV and the dash gauge, carrying information from whichever tank sender is selected by the dash switch.
2stroke
Full Access Member
Follow up--I checked in the most receint books I have 1991---The pins go to the same end points but the colours are different, anyone needs to know just ask.
jim_22
Full Access Member
jim_22
Full Access Member
BTW if it is not clear to you from the diagram it DOES NOT default to either tank. When you put voltage to the valve it changes tank (3 things at once, supply, return and gauge). If something goes wrong, you could be stuck on either front or back tank no matter what position of the switch..
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