Alternatives to Using Brake Stoplight Switch When Installing Brake Controller on 2002 Toyota Tundra

Question

Question:

Hello Sir, I wish to connect a Primus IQ, but the brake switch is tucked up so far, I cannot reach in there with my voltmeter, or soldering gun. I prefer not to use scotch-locs. Is there an easier place downstream to splice into that wire? OR, Is it easy to remove the bottom portion of the dash to improve access How? Best Regards

asked by: Ben

0

Expert Reply:

I do not have any specific information on removal of the bottom portion of the dash on a 2002 Tundra, but I can suggest an easier spot to access the wiring.

Since the cold circuit of the brake stoplight switch is not accessible enough, the third brake lamp circuit can be used. The circuit that feeds the rear of the vehicle is typically in a harness ran under the door thresholds, which are pretty easily removed.

You would then probe the wires in the harness with a circuit tester like part # PTW2993 or a voltmeter until you locate a wire that shows voltage ONLY when the brake pedal is pressed.

expert reply by: Mike L

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Answer 1

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Answer 2

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Answer 5

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Answer 6

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Answer 7

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Answer 10

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Answer 11

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Answer 12

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Alternatives to Using Brake Stoplight Switch When Installing Brake Controller on 2002 Toyota Tundra

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