Question about 2001 Buick LeSabre

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All of a sudden the low beam lights don't work, but the high beam lights do...any ideas?

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Check the relay in the engine compartment relay box. You can tell if it's working by turning the lights on, taking the relay out, and putting it back in. It should click as you do this. If it doesn't click, either the relay is bad or the switch/wiring is bad. To verify the switch and wiring is good, you have to interrogate the relay socket. See my post at http://www.fixya.com/cars/r6022358-relay_check on how to do that. Or, if you'd rather just assume it's the relay you can buy on for less than $20. Here is the wiring diagram:

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Posted on Oct 13, 2010

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