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2011 Toyota Sequoia, Integrated Brake Controller Wiring Harness

Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=147036
Printed Date: October 28, 2021 at 7:01 AM


Topic: 2011 Toyota Sequoia, Integrated Brake Controller Wiring Harness

Posted By: erkme73
Subject: 2011 Toyota Sequoia, Integrated Brake Controller Wiring Harness
Date Posted: September 13, 2021 at 8:22 PM

I have an 07 Tundra and 11 Sequoia. The Tundra has a functioning brake controller (Tekonsha P3) using their adapter cable. Works fine. A new P3 works find in Tundra but not in Sequoia. I verified the two 30A fuses under hood are good. The wire colors at the factory harness are identical between both vehicles. However, on the Tundra, the 12V+ to ground is on the thick black wire. On the Sequoia, the black wire has no voltage and instead the thin green wire has 12V+ to ground.

I'm befuddled.






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