My ac goes in and out but when I use my blinker it works good why is that

Asked by Jul 30, 2015 at 08:39 PM about the 2004 Buick Regal GS Sedan FWD

Question type: Maintenance & Repair

1 Answer

75,375

Sounds like a bad ground, somewhere. The turn signal switch completes the circuit to ground to make the blinkers work. By activating the turn signal you're providing an alternate path to ground for the A/C. Are we talking about the blower or the compressor? HTH. -Jim

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