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MJ12's avatar
MJ12
Explorer
Jul 10, 2018

Lance 845 2003 Wiring Questions

Does anyone have a wiring diagram for the Lance 845? My rear passenger tail light and I think the right clearance light is dim, leads me to believe I have a bad ground or short. I did some work on repairing that corner last summer and I think maybe I damage the wire or drove a screw/nail through the wiring (really hope that not the case). Anyways, looking anything that would help me.

Tail Light Wiring - Lance Wiring
Brown - Green
Black - Yellow
White - White
Red - Black

Based on the original colors for the lance plug, I read the white cable to frame and had a short, which would be correct because its the ground. I read green to frame and also read a short, I believe this to be bad, as green is used for running lights. Have not checked Black or Yellow yet.
  • I would not be thinking short. Normally when I see dim on something I am working on, I am thinking poor connection on the hot side or poor ground off he ground terminal. It's usually pretty simple to test for a poor ground by running a jumper to the frame of your truck. Poor grounds normally make up about 80 percent of problems or so says the RV industry.