Old May 31, 2015 | 10:35 PM
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RED DOG
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From: Key Largo FL . . . The fabulous Florida Keys
Default Re: HELP! Reverse Lights Wired to Radio Harness?

Originally Posted by Chiminoul
What does GY/YL mean?
GY/YL means Gray and Yellow. You want the gray and yellow wire(s) going into the bottom right corner of the OEM NAV factory wire harness connector. Look at the PDF link offered in post #7 of this thread and see illustration #12.
 
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