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Trailer Wiring Bundle

AZ1500

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AZ1500 Enthusiast

AZ1500

Posted
Posted

My 2004 Yukon does not have the factory towing package. I installed an aftermarket hitch and plugged a 7way adapter harness into the factory trailer wiring bundle which was underneath the left rear floorpan. I have no power to any of the trailer lights and am wondering if I need to install or activate a fuse somewhere to get the lights to work. All of the fuses labled trailer are good, but still no power. Any suggestions? :flag:

sonjaab Senior Enthusiast

sonjaab

Posted
Posted

AZ............Check your underhood fuse center. The "jumper"

need to be installed to make the wiring harness hot........

 

Since you have a 03 GM compare the 2 and you should see

where the jumper is to be inserted.

 

There will also be directions in your owners manual...............geo

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