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Pickups Chevrolet Silverado & GMC Sierra Chevy Silverado and GMC Sierra Trailer and Towing Questions
200 messages, Last post on Dec 07, 2009 at 9:36 AM
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Can anyone tell me where to plug in my electric brake control on my 2007 silverado "new body style" truck? Seems like the trailer dealer and my truck dealer can't seem to figure it out. It was no problem with my 2005 silverado, now all of a suddden no one can figure it out. Any help would be appreciated. Please e-mail me at: rheck53  hotmail.com thank you.
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Replying to: rheck (Mar 16, 2007 6:21 pm) This took me a little research to get right and even the dealer who sold me the truck didn't know.. so here is the scoop! There is no pigtail wire set for the 2007 silverado ( new body style ) and even if you got the max trailering package the dwebs at chevy didn't wire the trailering electrical or the brake control wiring for you! What were they thinking....well they are offering an in dash brake controller in thier following series and they prewired it for that option. 1) There is a bundle of blunt cut wires below the dash to the left of the steering column above the fuse box that is labeled and tucked around some other wires. Pull the blundle down. There will be 5 wires, with black electrical tape on the ends. Red and Black is the hot , positive battery wire, white is ground, negative. Blue and white is the input tail-brake light wire and the all dark blue wire is the trailer output brake voltage. The last wire, I believe , is for the brake controller light, but I am not certain. I did not use that wire. Consult your instructions . The next step is to open the hood, take off the top on the fuse box and locate space 65 and 70. Get a 40 amp fuse and put it into space that is labeled 65, this is the brake output voltage fuse, the voltage to your brake controller, post 65. the 70 space has a 30 amp fuse in it. Now go between the left fender and the fuse box and locate the red/black wire. This is attached to the post that is larger and silver on the front of the fuse box. Nuts not included. They are metric 10-1.5 course. the other black post is 8mm. Get the red black wire wrapped below the master cyclinder and attach it to the black post ( smaller ). You can't make a mistake with the wires because they can't be attached to the incorrect post, one is smaller than the other ( the opening ) The jist is that you need 2 nuts and a 40 amp fuse. Not supplied with the truck... now.. You are set. The reason for wiring the brake controller to the post is for 12 volt use from the main batter. If you use a secondary auxillary battery the wiring will be different . Good luck and thank chevy for making this a mystery or misery as the case may be. Read your manual under brake controller and it seems a little more clear, but just a little. I read it over about 3 times before I understood what they were getting at. Boy how could they not wire the trailering wiring.? Duh!. Chromedome |
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Replying to: rheck (Mar 16, 2007 6:21 pm) It stinks that they didn't make it as easy in the past...but other than that...this truck is awesome.
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Replying to: chrmdome (Mar 16, 2007 7:22 pm) But I tend to believe you, Chevy is looking to cut corners any way they can by giving us heartaches. Thanks for your response. |
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Replying to: bowtielad (Mar 16, 2007 7:24 pm) I had XM radio installed, now I have an ugly wire haning from the dash to the radio, according to the installer, thats the only way to do it. The Wipers suck, wait until you have to buy blades, for now the only replacement blades are only available from the dealer ($30.00) until ANCO or TRICO invent an after market replacement blade. Good luck and thanks for your input about the brake, I looked, the dealer looked and the trailer dealer looked, there is no pigtail, it has to be hard wired, (see previous post) from another person who answered my post. Thanks..bobinpa
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Replying to: rheck (Mar 17, 2007 3:33 pm) Thanks...Bowtielad |
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Replying to: chrmdome (Mar 16, 2007 7:22 pm) Thanks allot for the information you posted, got me right to the wires I needed. Just curious as to where you found a good place to mount your brake controller (maybe a photo?). I'm installing the Hidden Hitch Pilot but don't see a really good place to drill 3 screws in a round mount into. The knee bolster is an option but I think that would look dang ugly in a brand new truck. Hope you ad an idea I haven't imagined? Thanks in advance. Russo2
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Replying to: russo2 (Mar 29, 2007 5:38 pm) Yes, I have a Prodigy. My choice of location was just above the emergency brake pedal, under the dash. It's actually out of the way there !There is one screw alerady in the under dash panel, I used it I drilled another small hole and only needed 2 screws to hold the bracket on. The unit does block the pedal somewhat but not enough to justify mounting the unit elsewhere. I've found no other place under the dash where I could mount the unit level and not bump my knee on it. All other places are ugly. Good Luck!! Chromedome
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Replying to: chrmdome (Mar 29, 2007 6:45 pm) -mike
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