Quote:
Originally Posted by wilkin250r
There are a couple different things you can try. You could try using TWO of the 3-port selector valves in parallel, one for fuel, one for return. I'm not sure how much power they are pulling, but I suppose I could help you find that answer and if the wiring will handle it. But I'm 80% confident it would handle it.
The risk is if the return valve goes bad and doesn't switch, you would then be returning fuel to your opposite tank. Not the end of the world, that fuel isn't gone, but it would certainly be confusing to the NEXT owner to diagnose that problem. (I can see the thread now. "I get 12mpg out of my right side tank, but only 4mpg out of my left?!? But then my right side is magically half full again?!?").
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I have the same valve that's gone bad in my '80. I was thinking about running the parallel 3 ports. I can't really imagine that they would pull a lot of power to just switch tanks, and it should be pretty easy just to split the power wire and run it to both valves. The passenger side tank and selector is just completely bypassed right now. I have a few other things that need done on the truck before I get to the fuel tanks, but I'll try to post back in this thread if I come up with anything useful.
I would be very grateful if anyone had some information on how to wire the newer style 6-port valve in as well.