'04 Suburban (power at the trailer connector)
Hey guys, Thought you RV guys might know the answer here,, One of my hobbies is RC Model airplanes, I built a extension harness that takes power from the 7-pin connector so I can use the 12v. for m...
Forum Discussion
BurbMan wrote:
There are TWO fuses. One is for trailer lighting and one is for the charge circuit. Look in the underhood fuse panel for "Stud 1", there needs to be a 40A maxi fuse installed. Don't eyeball it, pull it out and check it, because they shipped with dummy blank fuses.
Interesting note about the diagram above, the upper left is correct, but the upper right is NOT, because look at where the slot in the connector is. Same on the bottom, the left side is correct but the right side is not.
Here's a pic I like better:
ALSO on the Burbs, the center pin is wired to get 12v when the back up lights come on.
I think the diagrams are fine. The slot in the bottom of the connector is for indexing the connector into the housing. The one on the top of the housing is for indexing the plug into the vehicle socket. They are different genders even. If you look close at the pictures on the right, the wire colors are molded into the plastic.
