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      04-10-2013, 10:05 AM   #4
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Drives: Bmw 335
Join Date: Mar 2013
Location: New york

Posts: 24
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Best bet is to take a picture of the relay so i can see the diagram on top (I usaully use 5wire relays). But off the top of my head
Red-->goes to car reverse wire (85 0r 86)
Black-->goes to ground (85 or 86)
Yellow-->goes to 12V constant (87)
Blue-->goes to back-up camera (30)
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