Well I have replaced the whole wiring harness, but I'm having some problems. Hoping someone can help. When I switch the key the fuel gauge went over pass full, and the oil pressure gauge goes to 60. I think there maybe should be a ground, but Im not sure where it should be. Now let me tell you that truck I got the harness out of had two tanks. Mine only has one. Everything is hooked up and in place with exception of a few wires, and I am hoping someone can help me figure out where they are suppose to go. The first picture is of the gauge, and the second picture is of the four wires that come of the speedo thing. And there is a plug with a Orange and White wires I dont know what this is suppose to plug into. Please help! I have been looking at the wiring diagrams and have found most everything, but I'm stumped on these problems.
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