Lulu54 Posted July 3, 2015 Report Share Posted July 3, 2015 On our 2002 Cadillac Deville DHS every once in awhile the headlights will dim for just a split second. Anything to worry about? Or any idea as to why they do that? Thanks for any help. Link to comment Share on other sites More sharing options...
Logan Posted July 4, 2015 Report Share Posted July 4, 2015 At one time...there was a TSB about it. It's the secondary air pump turning on. No fix for it. Logan Diagnostic LLC www.airbagcrash.com www.logandieselusa.com www.ledfix.com www.ledfix.com/yukontaillightrepair.html www.ledfix.com/ledreplacements.html www.ledfix.com/j42385toolrental.html Link to comment Share on other sites More sharing options...
Lulu54 Posted July 4, 2015 Author Report Share Posted July 4, 2015 ok, good news for a change! Thanks Link to comment Share on other sites More sharing options...
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