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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > Technical Discussion and Customizing your H2

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Old 07-18-2004, 08:44 PM
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PARAGON PARAGON is offline
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You don't need load resistors to correct the electric brakes issue. Most dealers should know how to remedy this. If not, this from a post over a year ago<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>Originally posted by Redrum:

Your trailer brake controller requires 4 wires to work properly
1) + Positive lead
2) – Negative ground
3) Brake light switch
4) Brake controller lead to rear hitch


GM neglected to terminate the brake light switch and brake controller lead in the convenience center. You have a couple options.

Option One:
Locate the brake light switch and brake controller lead (blue and red) wires that are located underneath the fuse box in the engine compartment. You will have to remove the fuse box to get to them. There are four bolts holding the fuse box down.

The easiest way to get them hooked up is to bring them through the firewall to the convenience center or directly to your tekonsha wires.

If you have the grille mounted spotlights, GM plugged their terminating connector into the trailer brake controller location (Top – second from the left) in the convenience center.

You can share that connection for the trailer brake controller and spotlights, by splicing the wires into the spotlight wires but I do not recommend it. Since the only reason you need to use that cavity is because you need (+) and (-), I suggest you pull a (+) and (-) from the engine compartment while you are pulling the brake light switch and brake controller lead. . This way you can use the spotlights and brake controller without sharing the same plug. You can also Find a (+) and (-) on one of the other spare cavities on the convenience center. Just use a 12 volt tester. They are there.


Option Two:
If you don’t want to pull wires from the firewall you can

A) BRAKE LIGHT SWITCH: Connect a wire from your tekonsha to the fuse box located on the left side of the dash near the drivers side door. You will find the “brake light switch” fuse in that fuse box.
B) BRAKE CONTROLLER LEAD: Pull a wire from your tekonsha directly back to the trailer hitch plug and terminate it at the plug.
C) Find a (+) and (-) on one of the other spare cavities on the convenience center. <HR></BLOCKQUOTE>
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