2005 Buick LaCrosse Q&A
2005 Buick LaCrosse Question: headlights
You will need to check for power at the sockets when the switch for low beam is activated. If there is no power, you will need to get a wiring diagram and start back testing the wires to see where the voltage drop occurs. It could be a switch issue, for example. To get some wiring diagrams, you could sign up at one of these following two web sites: http://bit.ly/AllData_Repair_Manuals_Online http://bit.ly/mitchell_repair_manuals_online If you acquire your own access to either ALLDATA or Mitchell One repair manuals you can get wiring diagrams that you will need to follow to check the wiring. - DaveJHM
#35 in black box under hood. Solid state power supply for lights has failed. - Hack
The headlights turn themselves off at night, while I am driving. The bright lights stay on. The headlights...
The dealer did a full electrical check, replaced a relay, and a blown left front headlight 7 months ago. Now it is out again. Normal repair per this site $52 - $72. My cost $343. Can I replace ...
...on and working fine, then they turn off. I then turn my brights on and after several miles, my headlights come back on again.
...5-y-old original battery after the first time it happened. The next time, I was told that the headlights were on all night. The headlight control has been on automatic. Even if it had been manually...
sometime the auto headlights work and then they will not come on and we have to use the high beams at night.