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i have a 1997 f250 and had a brake controller added to my vechicle last week. i just noticed my running lights do not work. i am not for sure it was from the brake control hookup because they used the factory installed trailer/towing hooks.
i do not no if there are any relays i should check. all fuses check out ok and so do the bulbs. the only thing not working is the running lamps.
brakes, turn signals, roof lights, headlights, trailer lights all work?