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
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
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.
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.
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.
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.
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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