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2002 gmc yukon rear defogger wiring


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Msp541 
Copper - Posts: 52
Copper spacespace
Joined: December 17, 2003
Location: Massachusetts, United States
Posted: November 27, 2007 at 9:58 PM / IP Logged  

Does anyone know the wire color for the Rear Defogger on a 2002 GMC Yukon? I am wiring a remote starter and want to add that as my second channel when remote starting vehicle.

Thank you very much for any help!  2002 gmc yukon rear defogger wiring -- posted image.

KarTuneMan 
Platinum - Posts: 7,056
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Joined: December 14, 2004
Location: Isle Of Man
Posted: November 28, 2007 at 12:01 AM / IP Logged  

At the defroster switch, find a white negative trigger. Unaware of weather or not it's latched or not.

There is also a purple under the dash above the parking brake pedal. Use a relay, and fuse the 12v at 20 amps.

Msp541 
Copper - Posts: 52
Copper spacespace
Joined: December 17, 2003
Location: Massachusetts, United States
Posted: December 02, 2007 at 9:36 PM / IP Logged  

KarTuneMan,

Do you have a description on how to wire the relay? I am new at wiring a rear defroster output.

Thank you!  2002 gmc yukon rear defogger wiring -- posted image.

tedmond 
Gold - Posts: 4,610
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Joined: January 06, 2007
Location: Ontario, Canada
Posted: December 03, 2007 at 9:24 AM / IP Logged  

it might be pulse so this is how to wire from relay

85 - twelve volts

86 - negative trigger from unit
87 - Ground (make sure its a good ground)
30 - to defroster trigger on car.

Bnluis 
Silver - Posts: 578
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Joined: December 24, 2002
Location: New York, United States
Posted: December 03, 2007 at 1:44 PM / IP Logged  
It is White and it requires a negative latch trigger and activates the relay.
Luis
Sound Waves
Is up to the installer to test all wires with a DMM whenever possible.
rt4x4 
Copper - Posts: 107
Copper spacespace
Joined: November 28, 2006
Posted: January 06, 2008 at 6:05 PM / IP Logged  
i have a 2004 silverado can you take one of the aux channels 200ma- and hook it to the white defroster wire in the bcm.also i used a xk01 and it says it will do rear defroster and how does that trigger
rt4x4 
Copper - Posts: 107
Copper spacespace
Joined: November 28, 2006
Posted: January 06, 2008 at 6:06 PM / IP Logged  
oh sorry its a clifford 50.5

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