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  1. #1

    Default dealer installed tow pkg ???

    when I bought my truck, part of the deal was to have a tow pkg installed. Took it the other day for the installation and now have a receiver and wiring with plug at the rear. My question..... I was told the truck already has a tranny cooler ? (its been cold, I havent crawled around underneath it) and, should I have received a brake control harness to plug in under the dash somewhere ? What about a relay for the electrical box ? Any idea ?? Thanks, Jim

    Jim, KC,Mo.
    2011 Silverado 4WD, EC,
    4.8L, 4L-60, manual everything !!
    so far... Delta Box, Extang Toolbox Tonneau

  2. #2

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    How much extra did you pay for the package at the dealer?

  3. #3
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    Default

    Quote Originally Posted by thndrr View Post
    when I bought my truck, part of the deal was to have a tow pkg installed. Took it the other day for the installation and now have a receiver and wiring with plug at the rear. My question..... I was told the truck already has a tranny cooler ? (its been cold, I havent crawled around underneath it) and, should I have received a brake control harness to plug in under the dash somewhere ? What about a relay for the electrical box ? Any idea ?? Thanks, Jim
    tranny cooler should be in front of the radiator.
    86 911 Porsche Carrera
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  4. #4
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    generally they don't include a trailer brake. I think you have to buy that separately

    (Scott) Myrtle Beach, SC
    January 2012 ROTM WINNER
    2011 GMC Sierra Z71 MAX 6.2 L w/ Trailering Package
    Rough Country, XD Rockstars, Nitto Trail Grapplers, N Fab, Lund Genesis, Putco, Gator Grip,
    Flowmaster 40 series, Diablosport InTune, Banks Ram Air CAI,
    WeatherTech, AVS Aeroskin, Tow Mirrors, Upgradeyourauto.com

  5. #5

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    Quote Originally Posted by Red Z71 Max View Post
    generally they don't include a trailer brake. I think you have to buy that separately
    i know they dont include a brake controller, but every truck ive had in the past w/ tow pkg came with a bag in the glove compartment with a harness to wire an aftermarket controller to, and usually a relay that plugged into the power box..

  6. #6

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    Quote Originally Posted by thndrr View Post
    i know they dont include a brake controller, but every truck ive had in the past w/ tow pkg came with a bag in the glove compartment with a harness to wire an aftermarket controller to, and usually a relay that plugged into the power box..

    If a Vehicle is equipped with the Heavy-Duty Trailering Option from the Factory,
    ......The wiring provisions (Wiring Harness)is included with the Vehicle as part of the Trailer Wiring Package from the factory. These provisions are for an electric brake controller. The instrument panel contains blunt cut wires behind the steering column for the trailer brake controller.
    The Harness contains the following wires:
    . Dark Blue: Brake Signal to Trailer Connector
    . Red/Black: Battery
    . Light Blue/White: Brake Switch
    . White: Ground

    .......With the Tow Package being Dealer installed, I would for ask them about the Wiring Harness for the Brake Controller.

    MIKE


    99"SILVERADO
    5.3 l 3.73 l G80
    BLACK BEAR CUSTOM TUNE
    SNUGTOP l COLORMATCH l KATZKIN










  7. #7

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    Looks like a Waffle house order.
    Covered and smothered,mmmmmmmm.
    2010 Chevy Silverado Z71 ext cab.4x4
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