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Old 05-24-2012   #25
VetteMed
 
Join Date: Mar 2009
Location: Orlando, FL
Posts: 1,828
Default Re: Rear view mirror with compass!

Quote:
Originally Posted by Coupe89 View Post
I'm curious on what the adapter looks like.

I've done this mod on my 89 (Dimming, Compass and Homelink). But glue a button to the windshield.

Also the three wires on the rear view mirror:
(hot - all the time)
(hot - when the door is opened)
(ground)
I ran a wire to a ignition switch source. So my mirror will turn off by itself.

I'm guess the compass has a switch?
I like the orange LEDs
The later C4 courtesy lights (door open) are triggered by a switched ground, not a switched power. 5 wire harness - constant power, switched power, ground, switched ground, dash illumination.

There's a switch on the front of the mirror housing (the right switch with the "N" and an arrow). This toggles the compass display on and off. the other button toggles the auto dim on and off.
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1991 ZR-1 #302 White/Gray (sold)
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