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Headlight Out?

1K views 7 replies 4 participants last post by  SuperDaveSTS 
#1 ·
I have a 2008 STS-4. The very small lamp in the passenger headlight assembly does not come on when the lights are turned on. How do you replace this bulb without going to the dealer ($$$$$)? I read in another post that it might be a relay and not the lamp. How do I locate the relay and how do I test it? Thanks.
 
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