Posted 9/27/2020 22:09 (#8518709 - in reply to #8518687) Subject: RE: TR97 monitor won't power up and no power to master valve stack
Hendricks MN
The owners manual has a wire diagram. I would start where the wires go into the cab, lower right hand corner. That will tell you if it's in the cab or chassis. If you don't have a manual I can look up the pin numbers for an 86, they should be the same.