I was working on fixing a wiring problem for a turn signal on my 06 Ram 2500. Turned out to be the main connector that connects the front harness to the rear harness that was causing my rear signal to not work. Anyways, during the process of tracing wires I noticed that the previous owner had dropped the tank (probably to fix the sending unit) and in doing so had pinched the wireharness between the tank and the frame. So, I initially thought that the wiring problem might have been there. So, I dropped the tank, reran the wire harness, fixed my signal and put the tank back up.

Now, my gas gauge doesn't work at all, my gas light is on, my brake and ABS lights are on and the engine light is on. I am going to run a diagnostic on it tonight but figured I'd get some opions on here too. I'm assuming it is a grounding issue since I didn't do any thing to my ABS while under there. Is there a separate ground for the tank that might have broke off when I lowered the tank. I've checked the harness and everything looks good, the connection at the tank looks good. What am I missing?

thanks
dirtbikes987

 

It sounds like the harness was probably pinched before, but working, and by moving it, it might have been the last straw to break some of the conductors in that area. I'd go back and check all the conductors and see if any are broken. I've run into problems similar to this at work - pinched conductors can be a real pain and can cause intermittent problems that are hard to diagnose. At least you have a starting point.