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Old 05-03-2008, 04:55 PM   #1
chevytrucks79
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brake control box

Can anyone tell me how to install a brake control box on my 69 Gmc truck?

Last edited by chevytrucks79; 05-03-2008 at 07:14 PM. Reason: spelling error
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Old 05-03-2008, 07:19 PM   #2
Blue85
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Re: brake controll box

Like a trailer brake control box?
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Old 05-03-2008, 10:32 PM   #3
Longhorn Man
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Re: brake controll box

did it come with instructions?
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Old 05-04-2008, 12:11 AM   #4
chevytrucks79
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Re: brake controll box

no but i think i figured it out. thanks.
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Old 05-04-2008, 10:02 PM   #5
betonj97
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Re: brake controll box

Quote:
Originally Posted by chevytrucks79 View Post
no but i think i figured it out. thanks.
Not sure if you got this done but here it is......
Black wire: Battery supply
Red wire: Brake light switch
White wire: ground
Blue wire: goes to harness in the rear of the truck, commenly to a 7 way harness

This should be it no matter what brake controller you have, this just happens to be what I do for a living.(trailer harness and hitches)
Hope this helps, if you have any other questions let me know.

Good luck!
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