Hi, I have a 1990 f350 7.3 dsl that I bought from a city auction. I have worked out most of the kink in it eccept one. For some reason they had pulled every wire off the back of the head light switch. I bought manual but did show the break down for the head light switch. I put a new switch in and used a current tester to get it functional. I got every thing going eccept I think my dome is might be hooked up wrong. I also think I have it grounded out some how(maybe a live wire to a ground connection????). If I don't run it My batteries will drain down in a few days. Does anyone a idea were I can get a wiring diagram or any other help would be appreciated

 

When I need something like that on mine, I go down to Ford Dealership and in the service area ask for wire diagram of what I need and they look it up in their books, which comes with big pictures and they take a copy and give it to me at N/C......