7 Blade wiring issue
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Freshman User
Joined: Dec 2011
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7 Blade wiring issue
2002 SD XLT previous owner decided to chop off the 7 blade to rear and 5th wheel connection when he removed the 5th wheel. Could some one please explain the colors and position to hook up a new 7 blade to bumper the wiring that remains is factory. Thanks for any help or if there is a wiring diagram that shows this in detail.
Senior User
Joined: Jun 2012
Posts: 370
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From: Central Colorado
I found this, which is actually for a 2002 Excursion, but hopefully is the same for you.
Orange - trailer battery charge
White - Ground
Black w/ light Green - Reverse lights
Dark Blue - Trailer brakes
Yellow - Left turn/brake
Dark Green - Right turn/brake
Brown w/ White - Trailer tail/running lights
Now, those could be the colors up to the point where the actual trailer plug pigtail connects. For some unknown reason, a lot of time the colors in the pigtail were different, so you might refer to Trailer Wiring Diagrams | etrailer.com to see if it offers other insight.
Orange - trailer battery charge
White - Ground
Black w/ light Green - Reverse lights
Dark Blue - Trailer brakes
Yellow - Left turn/brake
Dark Green - Right turn/brake
Brown w/ White - Trailer tail/running lights
Now, those could be the colors up to the point where the actual trailer plug pigtail connects. For some unknown reason, a lot of time the colors in the pigtail were different, so you might refer to Trailer Wiring Diagrams | etrailer.com to see if it offers other insight.
Hotshot
Joined: Feb 2003
Posts: 11,537
Likes: 27
From: Long Beach, Ms.
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