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08 Cadillac CTS DI (sold), 13 Cadillac ATS 3.6L
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102 Posts
Discussion Starter · #1 ·
What's the life expectancy on the OEM bulbs for the fog lights on an 08 CTS? I have a 2008 CTS (delivered in 9/07) with 51k miles. Noticed when I got home tonite that the passenger side fog light was out. Going to take a look tomorrow in the daytime. Hopefully its just a dead bulb and not a short in the wiring. The only reason I would think of a short is that I was driving in the heavy downpours on Sunday plus with all of this winter road salt that's been laid out over the past couple of months.
 

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08 White Diamond CTS DI RWD FE2 all options
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2,541 Posts
Not sure, but most of this type bulb have life expectancy of 1,000 hours or close to it. This is however "life expectancy" so some bulbs may burn earlier some may last even 3 times that amount.
 

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Cadillac Technician
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11,051 Posts
"Until they burn out" basically.
If you are still under factory warranty they are covered.
Water and road salt shouldn't be an issue unless the wiring is damaged and/or the housing is not sealed properly. Haven't seen issues on this body yet with fog lamps.
Most people don't use them, at least not around here.
 
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