1989 Chevy s-10 pickup 4 cyl lights flash on and off while driving at night.
Jan 13, 2013 at 5:02 AM
ASEMASTER6371
✓Experienced Mechanic
52,796 POSTS
what lights??? under what condition???? no info here. help us out with more info
Roy
Jan 13, 2013 at 5:30 AM
DEALSBESTS
MEMBER
6 POSTS
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?