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Re: brake controller install
Does your truck have the factory installed receiver & the big trailer plug under the rear bumper, if so then all you need is the black(or blue) pigtail/harness for your trailer brake control. Just be careful GM changed the wiring configuration in 03 or 04 (??) If you need a pigtail I have some. James.
And yes it plugs into the box under the dash by the e brake.
Last edited by truckpoorpackrat; 07-13-2009 at 07:25 AM.
Reason: more information
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