2005 Escalade - My headlights blink. How come?

2005 CADILLAC ESCALADE
104,000 MILES
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DENISELACARUBBA
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Not a multiple flicker... Happens once or twice a night, though randomly.
I'm not sure to change bulbs or if this is an electrical problem.
Before I take it to a garage, I wanted to research myself if possible.

Thanks!
Aug 16, 2012 at 5:55 PM
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KHLOW2008
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Does it occur to both or only one side?
High or low beam?

I would suggest checkng the relays. If only low beam try swapping with the high to test.
Aug 16, 2012 at 7:08 PM
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DENISELACARUBBA
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It happens on low beam. I've tried flashing. How else can I check the relay? Thanks again.t
Aug 17, 2012 at 2:06 AM
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CADIEMAN
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r u sure the alarm isnt going off?
Aug 17, 2012 at 2:16 AM
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DENISELACARUBBA
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Yes, I'm pretty sure the alarm isn't going off.

What do you think is the cause of my headlights "blinking"?
Aug 17, 2012 at 2:21 AM
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KHLOW2008
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Swap the high and low beams relays and retest. It could be a failing relay.
Aug 17, 2012 at 10:50 AM