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1958 Coupe DeVille
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Discussion Starter #1
I finally took off the back of my mirror but now i don't know which wire goes where. My Invisicord has a yellow wire and a black wire. The back of the mirror has two black wires with a white strip. It also has a solid yellow wire and a yellow wire with a black strip. Anyone hooked up with the Invisicord yet that can help me out? Cecil.......:hmm:
 

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1958 Coupe DeVille
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591 Posts
Discussion Starter #3

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1958 Coupe DeVille
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591 Posts
Discussion Starter #4
Well, i solved the problem myself. After reading different write ups, i took a guess, and it worked. The yellow goes to the solid yellow, and the black Invisicord goes to the black/white wire that is at a 90 degree angle to the yellow one. It was not easy making it look as clean as it does, so be careful when you reinstall. Cecil.......

PS If you have a problem, pm me and i will give you some detail that might help you.
 

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I made my own "Invisicord" from a telephone extension, and I am not sure what you mean about "took the back off my mirror." The pictures provided in the link referenced above and in this forum (See "V1 Hardwire with BlendMount and Invisicord" thread) are applicable to the 2009 CTS-V connector that plugs in the back of the mirror. It is only necessary to unplug the connector - not take the back off the mirror.

The wires in the connector are still somewhat of a mystery since the shop manual for this car is not available yet, but the solid yellow wire provides +12 V in both the accessory and run positions of the ignition switch. There is no voltage on this wire when the igniton switch is off or when RAP is supplied. The black wires with the white stripe appear to be grounds. According to info in this forum, either one of the two wires provide a ground. The shrink tubing on the Invisicord cord wires seems to be consistently black and yellow on the cords being shipped today. I would assume that the wire with the black shrink tubing is ground and the other wire with the yellow shrink tubing is for +12 V. I connected my "homemade" Invisicord to the yellow and black/white wires in the mirror connector and it works as expected. I have a Beltronics Vector 965 detector.
 

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VJester,
I added pins to the end of the wires. The wires are too thin and flimsy to be used alone even when solder is applied. The pins were cut from a TTL socket of which I had a number. After I soldered the wires from the homemade power cord to the pins, I bent the wires at a right angle to the pin and placed a drop of epoxy on each one. This not only kept the wires from bending away from the pins but also insulated the wires so that only the pins themselves were not insulated.
 
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