Chevy Dual Tank Fuel Switch Wiring Diagram

I am looking for the wiring diagram for the fuel tank switch valve in the rear of a 1989 chevy 3500 dually with a 454 engine. The circuit load can be one. The work has finally begun.

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January 06 2010 12 16 58 am i peaked under the dash of a truck at the junk yard today and i saw that the one green wire went to the fuse block but the rest went to their own plug on the firewall out the firewall and down the frame rail.

Chevy dual tank fuel switch wiring diagram. Zif you do hear it sounding the switch your tank unit for that one tank you try to switch to is a fault. Dual fuel tank switch reply 6 on. The dual tank selector switch wasn t too complicated from looking at my shop manual wiring diagrams. Has anyone ever replaced the oem selector valve with one of those pollak 6 port universal va.

1982 chevy truck with dual gas tanks with guage or tank problems all you need to do is listen to hear the tank switching valve is working. Wiring diagrams all diagrams contained in this manual are based on the latest product information available at the time of publication approval. Wiring schematic for gas actuator switch dual 08 18 04 11 53 am post 497625 in response to mangus i ll whip you up a wiring diagram and have it online this evening. The right is reserved to make changes at any time without notice.

I need help please. My 02 gmc 3500 dump fuel gauge is broken. On all trucks in 76 and 77 whether single or dual tanks the fuel gauge wire tan comes from the main bulkhead connector at the firewall routes through the engine wiring harness. It will make a soft noise under the rear cab section with the key on with the engine off.

I bought the haynes book for my year of truck but it does not cover the wiring diagram for the dual tanks. Can you please help. 1976 chevy 454 big block with factory dual fuel tanks. From the circuit controller the circuit goes into the circuit load.

It has two gas tanks but no selector switch and it seems to pull gas from both sending units at the same time while keeping track of the total fuel amount. The gas gauge shows e and the fuel message board says low fuel. I tried installing a new sending unit in each tank but that didn t solve the issue. I dropped both fuel tanks yesterday and removed all the hoses to measure roughly 9 feet for both so i am halfway there.

Switch or a relay.