Question about 2000 Buick LeSabre
Headlight and Parking Light switch sticks and will not release to off position. I suspect both switches are on one unit. Can unit be dismantled without destroying the circuit board?
I had the same problem.
I figured out the solution to the problem.
If you look at the disassembled switch very carefully, you will notice wear marks on the sides of one or both switches.
You will also find, that when trying to slide the outer switch over the inner switch, that either one or both may stick. (even when unassembled. )
I first used a razor knife to trim off excess material on the inner switch to prevent sticking. Apparently - with age and heat, the inner switch post becomes slightly deformed - not round - and causes the outer switch to stick.
I then used compressed air to completly clean everything up.
Then, I sprayed a light coating of silicon over everything.
I also checked the fit of the switch into the outer bezel. I had to slightly enlarge the bezal to prevent sticking as well.
Again, I used compressed air, to blow away any silicon residue.
I reinstalled the switch and it works like new.
I expect that with the enlarged clearances, the switch will remain operational for a very long time.
Posted on Aug 16, 2008
I pulled my switch apart last night. If you are careful it can come apart without any damage to equipment. But sadly even after cleaning the inside the buttons still stick (less than they used to but still not quite working correctly). Right now researching how much it will cost to just replace the switch.
Posted on Aug 06, 2008
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Posted on Jan 02, 2017
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