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-   -   Need Help With Wiring Trailer Brake Control (http://www.hotrodders.com/forum/need-help-wiring-trailer-brake-control-217133.html)

adantessr 03-22-2012 06:55 PM

Need Help With Wiring Trailer Brake Control
 
I have twisted my 300 lb body like a corkscrew to get under the dash of my recently acquired '98 C-1500. I am trying to get to the brake light switch to connect to the 'cold side' to wire to my trailer brake controller. I spent probably 15 minutes (seemed like longer) and did not find the switch. I would be happy just to find the wires going to the switch. Please, for the love of God, can anybody point an old fat man in the right direction ? Big Al

vicariouslynova 03-22-2012 07:12 PM

Big Al
 
Hey AL,

I just went and looked at my 97 Burb, I didn't see mine either, however My controller is hooked up to a white wire in a 9 prong plug, if you want email me and I can send you a couple pics. mhigh3@gmail.com

adantessr 03-22-2012 09:09 PM

I Took A Slightly Different Route And I Got It !
 
Every once in a while I manage to be just a little bit smarter than what I am working on. :rolleyes: I located the brake light relay under the hood. I then determined which spade of the relay was power out. Then I took a 16ga. wire and stuck it in the spade socket in the junction block along with the power out spade. Added benefit of doing it this way, is that it keeps from putting any additional load on the brake light switch. :D

vicrod 03-22-2012 09:09 PM

Typically GM used the white wire from the brake light switch to the turn signal switch. This white wire can be found at the connector at the bottom of the steering column as the wires go into the steering column.

vicrod

Irelands child 03-23-2012 06:51 AM

Why not do it the 'easy' way - and just go to AMAZON and get this wiring adapter

Wally World usually has them as well

I used to do mine the 'hard way' then found these and no longer needed to try to find a way to get my 220#/6'4" body under the dash :pain: :D .

Dave W

SSedan64 03-24-2012 04:20 AM

Is that for Trailer Brake Controller or just a Tee for tying in Trailer Wiring at rear of Truck?

adantessr 03-24-2012 06:56 AM

Quote:

Originally Posted by SSedan64
Is that for Trailer Brake Controller or just a Tee for tying in Trailer Wiring at rear of Truck?


That is the Tee for the light wiring at the rear of the truck. I a;ready had that. See my last post for how I found an easier way to get into the brake light circuit.

BigEd36 03-30-2012 09:18 PM

I just tied into the wire at the back of the truck for a 3rd brake light for a bed topper.

adantessr 03-30-2012 09:41 PM

Quote:

Originally Posted by BigEd36
I just tied into the wire at the back of the truck for a 3rd brake light for a bed topper.

Every once in a while I manage to be just a little bit smarter than what I am working on. I located the brake light relay under the hood. I then determined which spade of the relay was power out. Then I took a 16ga. wire and stuck it in the spade socket in the junction block along with the power out spade. Added benefit of doing it this way, is that it keeps from putting any additional load on the brake light switch.

Hooked up to the fifth wheel camper yesterday and towed it about 20 miles to a buddy's place for storage. Everything worked pefectly.

matt167 03-30-2012 10:05 PM

That's how someone wired my '95 for trailer brakes too... I just have to get a trailer that can use it is all.


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