85 Chevy Fuel Tank Wiring Diagram

6 answers i just bought a new crate 350 lb 5 7l engine. The connectors are shown with end on views with. The diagram is surrounded by a alpha numeric loaction grid.

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Try this if your fuel tanks not switching.

85 chevy fuel tank wiring diagram. 12 04 09 03 44 pm post 1817781 in response to bikernut no sorry 85 switching units were not the same. Wiring schematic for gas actuator switch dual tank 08 17 04 05 29 pm post 497624 in response to mangus i had the same issue but it s been a year or so ago and i didn t write down the color code nor do i remember but if there are 5 wires in that plug then one goes to the gas guage one to the left tank sender and one to the right tank sender. Bob s chevy trucks has everything you need to restore your chevrolet or gmc truck s fuel system. All the wires at the connectors have alpha numeric addresses showing where the other end of the wire is located ac cording to the grid.

Please rate comment and subscribe. 73 76 diagrams 73 76 cab interior 73 76 chassis rear lighting chassis cab and stepside 73 76 chassis rear lighting fleetside and suburban 73 76 engine and front lighting. Going from dual tank to single tank and have no fuel level indication. How to replace and upgrade fuel lines for 1967 1972 chevy trucks kevin tetz with lmc truck duration.

It has 350 motor with dual fuel tanks. These are huge jpgs so you may want to save them to your hard drive and print the pages you need. Can i just t off at the oem fuel pump back to the original return line. Both tanks are full of fuel but when right tank gets low on fuel i try to switch to the left tank which is full truck acts like its starving for fuel.

Wiring diagrams description these diagrams use a new format. This video is for you. Im looking for a fuel system diagram for my 1985 chevy c10 to figure out how to run a 2nd return line to my tanks. Most of the time i can t even start my truck on that tank.

I ve had the truck for a lil bit over a year it just started doing this like 2 wks ago. I have an 85 chevy pickup. Narrow down your search using the sub categories on the left and entering your year. Gas tanks fuel tank sending units pre bent fuel lines carburetor linkage fuel filters and more.

Here are the complete wiring harness schematics for the 73 87 series pickups. This applies to 73 87 chevy trucks. 87 was the first year for fuel injection so in addition to switching between tanks the in tank pumps were switched no provision for this on carb units so the switching valves are not the same.