In order to run the backup light into the cab, all you need is the Curt Trailer Connector Adapter - 4-Way Flat to 5-Way Flat - Vehicle End # C57187. This harness will allow you to convert your 4-way harness to a 5-way with the additional backup light pin.
If you currently have a 7-way installed, I recommend routing some spare wire from the reverse signal on your 2000 Peterbilt to the 7 way and then into the trailer's reverse lights. view full answer...
The Tekonsha Prodigy P3 # 90195 has an internal sensor with automatic-leveling ability so it's able to detect deceleration even if it's knocked out of alignment. It will perform flawlessly when driving on paved roads and it will do a pretty decent job when encountered with the bouncing and jarring associated with driving semis and motor homes.
There are very rare occasions where a time delayed brake controller like the Tekonsha PowerTrac # 39523 is the best option. But if you plan on... view full answer...
The Hopkins Trailer Connector Adapter - 7-Pole Round Pin to 7-Pole RV # HM47425 adapts the pins from the Peterbuilt wiring to the traditional trailers for cargo and camping. I've attached a photo as well as an article to help with the wiring locations and functions. view full answer...