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07 silverado blinker mirrors, anybody help???

Discussion in 'General Chevy & GM Tech Questions' started by pvcableguy, May 21, 2010.

  1. pvcableguy

    pvcableguy New Member

    my 07 silverado has manual folding power glass side mirrors, i want to upgrade same but with turn indicators in the mirrors...do i need to replace the wiring harness in each door?..or does the truck have it already???
  2. unplugged

    unplugged New Member 1000 Posts

    I haven't worked on the 07's but back in the 90's when I did a lot of phones and alarm installs. Most assembly line vehicles have harness' that are prepped for any factory option. I know when I installed door lock motors on vehicles that had them as an option, the harness had the necessary connector.

    No sense in having too many part numbers for harness'. If no one else chimes in, let us know what you find when you pull the door panels off.
  3. pvcableguy

    pvcableguy New Member

    unplugged,

    i glade to read that, i called a chevy dealer yesterday and they told me i had to buy new harnesses to support the signal mirrors...the mirrors i wanna buy are defog capable as well....think the harness is wired in for that too?

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