Question about 1991 Chevrolet Caprice
Check your fuses,if they are ok ,then check yourdimmer switch, i would also try putting in and trying a set of diferent bulbs.
Posted on Oct 21, 2013
Testimonial: "Thanks for your help Pablo fuses are good, put in different headlights same outcome though, like you said the problem may be in the dimmer switch and is really my only option because I don't think this vehicle has a headlight relay... Thanks again"
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Posted on Jan 02, 2017
Problems like these are more often the front wire harness that runs across the inside of you bumper and plugs in underneath the battery tray. A lot of shorts are found in these harnesses. Glad you got yours fixed.
Posted on Nov 05, 2010
It's on the driver's side. Remove all the plastic & it's in there.Big rectangle, black box,about 1.5" thick,lotta wires.
Posted on Jun 22, 2009
SOURCE: I have no low beam
Check the connectors that go to the headlight bulbs to see if they are burned or melted. Low beam lights are on longer than high beams. The heat buildup around the connectors normally melts them.
Posted on Sep 27, 2010
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Feb 25, 2015 | 1995 Isuzu Rodeo
The headlamp circuit is rather simple. From the 15 amp RH headlamp fuse, there is a red w/yellow trace that goes to the RH high beam. Out of the 15 amp LH headlamp fuse, the wire going to the LH Hi beam is solid red. Both of these wires should have power when the headlamp relay is energized. The wires from the Hi Beam bulbs going back to the switch should both be red w/black trace. The wire going from the headlamp relay to power the 2 15 amp fuses is white. The headlamp switch applies a ground to illuminate either the Lo Beams or the Hi Beams.
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