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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
12thgenusa's avatar
12thgenusa
Explorer
Dec 12, 2015
Do you tow with the lights on? Years ago I had a dual filament tailight bulb that shorted between the tailight and brake light filaments. Cruise would work fine until I turned the lights on. Check the bulbs on your trailer.

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