Supermiller 1999 379 Wire Schematic Jake Brake / Peterbilt Wiring Diagram Pdfcoffee Com . Locations of electrical modules in 379e cab and sleeper. Jake brake and cruise control doesn't work. Supermiller 1999 379 wire schematic jake brake wiring diagram . I have 1999 rb688s e7 350hp efi, any how i bought jake brakes for it and installed it now my problem is wiring it in to truck. There is power to dash switchs for jake and . There is power to dash switchs for jake and . Locations of electrical modules in 379e cab and sleeper. Supermiller 1999 379 wire schematic jake brake wiring diagram . Have a 1995 379 pete w/ a 12.7l 60 series detroit. Jake brake and cruise control doesn't work. Wiring Diagram For A 99 Peterbilt The Truckers Forum from www.freightrelocators.com Supermiller 1999 379 wire schematic jake brake wiring diagram . Jake brake and c...