What causes a GM headlamp module to fail?
General Motors says the headlamp driver module can fail in the underhood electrical center due to heat, melting the module under the hood and causing low-beam headlights and daytime running lights to fail. GM says most lights won’t be affected, including the high-beam headlights, fog lights, turn signals and marker lights.
Why does the driver’s side headlight keep burning out?
High beams and running lights are fine. Replaced the driver’s side headlight and the regular light keeps burning out. High beams and running light are fine. Passenger’s side works fine.
How does the headlight controller work on a corvette?
The system in a nutshell revolves around a central control module which drives the lights up and down on command from the driver via light the switch in the cockpit. This control module once activated drives the light motors to rotate the lights up and turn on and the opposite when the switch in the cockpit is turned off.
What should be the voltage of a headlight?
It should not be over 14.5 volts. If it is too high, the excess voltage is causing the bulb to “pop”. The last thing you should consider is the quality of the bulb and the place you are getting them.
Why does my driver side low beam light not work?
So driver side low beam doesn’t work I replaced the bulb and still nothing, high beam fog light and parking lights work fine, also passenger side turn signal lights are on but do not blink when activated and I get a display saying right front turn indicator failure, I tried replacing those bulbs and still no change any ideas? Thanks in advance
High beams and running lights are fine. Replaced the driver’s side headlight and the regular light keeps burning out. High beams and running light are fine. Passenger’s side works fine.
Why is my low beam headlight not working on my Dodge Ram?
After replacing the driver’s side headlight bulb twice on our 2006 Dodge Ram 2500 SLT 4WD Cummins Diesel pickup, the low beam still wasn’t working. I swapped the known good bulb from the other side and the low beam was still out, even though the high beam and fog lights were all functional.
How does a low beam headlight work?
When you turn on the headlights, the wires to the low beams return a signal to the ECM (Engine Control Module) which sends power to the lamps.