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mokragleski's avatar
mokragleski
Explorer
Dec 12, 2015

Cruise Control Does not work when towing 5th wheen

Issue I have a 2004 Dodge Ram 2500 5.9d. Starting in 2015, when I tow my 37 Ft. Larado, the cruise control will not work. Cruise control works fine when not towing. Replaced the transmission at...
Tow Vehicles
Old-Biscuit's avatar
Old-Biscuit
Explorer III
Dec 12, 2015
Brake light switch.....

Has something to do with brake light circuit cause that is what trips CC off

Brake controller/brake circuit wiring in receptacle ??????

CC works until you plug in umbilical cord so check connections in receptacle and trailer plug and controller harness plug under dash

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