I went through HELL on the TIPM, lost the right trailer light, then would lose the BUS occasionally between the cab and the engine compartment, then other lights started being intermittent. I finally got a rebuilt TIPM because no factory one's are available, got it off eBay.

The funny thing about science is that if you change one miniscule parameter you change the entire outcome to the way you want it.

JB Rhinehart, Realist

A-Body's RULE!