low beams not working on 2005 Buick LaCrosse

replaced on off switch along with multi purpose on column

by in Scranton, PA on August 20, 2013
3 answers 8 comments
ANSWER by on August 20, 2013
check all fuses relays and bulbs?
ANSWER by on August 20, 2013
did you check for power and ground at the headlight plug
ANSWER by on August 21, 2013
Have BCM scanned for codes.
COMMENT by on August 21, 2013
local mech did this said its relay in main computer can only be fixed at dealer 400.00 labor&parts
COMMENT by on August 21, 2013
One more thing, have you checked ALL fuses, with a test light on each side of each fuse, with lights on LOW beam? Lights must be on to check!! Now thats is ALL fuses?? You need to be sure it is not a bad fuse! On your other post you stated only one side not working, right? That's not a relay! That's a bad fuse, after the work that has been done.
COMMENT by on August 22, 2013
pushrod thanks for the help bad fuse didn't blow replaced it working now so farrrrr
COMMENT by on August 22, 2013
Cool, that should take care of it, seen it before! Lot better than that 400.00 'no fix'!
COMMENT by on August 22, 2013
Nice work Pushrod, I'll keep that in mind incase i come across this issue somewhere else..
COMMENT by on August 22, 2013
Thanks Tbone, it's just that i had a Chevy give me a fit with the same problem. I checked all fuses and all that had current on them were good. Well dummy me didn't think about turning the lights on until i finaly realized that's the only way the headlight fuse could be tested with a test light. You had it right in your answer, just turn the lights on to the proper position, low or high beam, which ever circuit you are testing BEFORE checking the fuses!
COMMENT by on August 22, 2013
I had the same problem on my 2005 LaCrosse,The dealer fixed it twice and it blew both times with in 6 mos. The dealer switched out the entire under hood fuse box at the tune of $ 800.00. Boy do I feel screwed, now I'm having that Blower problem with the A/C
COMMENT by on August 23, 2013
Post your question on the blower and we will see what we can do. This page is full.
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