Bought used IMCO 3-port fuel valve, but no instructions, switch, or wiring harness. Anyone still have theirs and could scan and email? Do I have to wire to a switch? Since it has connections for fuel senders, wasn't sure if it would read signal from a low tank and automatically switch or if the connections were only to pass on to the "single gauge" output. I have 2 dash gauges.

Thanks,
Steve
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I'm sure Fred at Imco can get you what you need with no confusion.

They do not come with a switch or wiring harness. You must supply those. They do not switch automatically. You must manually switch it. It is set up to work with only 1 gauge. If using 2 gauges, there is no reason to run the sender wiring through the switching valve. Leave your gauge wiring as it is now. You will just need to wire the power and ground so that the switching valve works.

As mentioned, call IMCO. I'm sure they would be glad to send you the instructions. 800-899-8058. Ask for Rick.
Eddie

Thanks everyone, called and left message for Rick. He promptly returned my call and instructions have been emailed! We also discussed adding O2 bungs to my exhaust. As Eddie says, if you don't have 'em you're just guessing!

Steve