What lights? Under what condition? No info here. Help us out with more info
January, 14, 2013 AT 1:10 PM
The headlights flash on and off in any condition. The headlights flash on and off more frequently when the high beems are on, but they also still flash on and off with low beems on. When I bought the truck the previous owner had taped the dimmer switch. Could the dimmer switch be causing this?