Yes, you can definitely install the Tekonsha P2 Brake Controller on your 2009 Hummer H3T yourself. The brake controller will have to be hard wired, and you will need a circuit tester, # PTW2993, to find the right connection to the stop light switch wire. There is no plug under the dash of the H3T for the brake controller. view full answer...
You can install the Tekonsha P2 Brake Controller, # 90885, which you referenced, on your Hummer H3T yourself. There is no plug under the dash of the H3T for the brake controller.
Installation is a snap. After mounting the P2 unit in your cab, just hardwire one end of the included pigtail harness directly into your Hummer H3. You will need a circuit tester, # PTW2993, to find the right connection to the stop light switch wire. The other end plugs into the brake controller.
I included... view full answer...
Since your Hummer H3T came with a factory 7-Way, you will be able to find the tow package wiring under the dash of the vehicle. The wiring should be located to the right of the steering column, under the dash, behind the radio area. The wires should be labeled.
You will splice the brake controller wiring to these wires. On the brake controller, white is ground, black is 12 volt power, blue is output to the trailer brakes, and red is input from the brake switch stop light wire. If there... view full answer...
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