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Discussion Starter · #1 ·
I am about to hook up a brake controller for my trailer and need to tap into the cold side of the stoplight switch.

I think I have found it and just need confirmation from someone with more knowledge.

Please see the attached photos.

http://www.flickr.com/photos/1403035...7604860595468/

If this is the switch am I correct to assume that one of the purple wires is the cold side of the switch?

Thanks for the help.

Kevin
Calgary, Alberta
 

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Discussion Starter · #2 ·
I got it figured out. It is not the purple wire.

I cut a bit of insulation off the white wire and used a test light to find I had power when the brake pedal was depressed.

I then spliced my red wire from my brake controller into this and all is working as it should.
 
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