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Brake Boost Momentary Switch (Brake Stand Burnouts)
***Allowing Brake Boosting is a "Track Only" modification and liability for this modification is on the owner/operator. Do so at your own risk***
As most of you know newer model cars will not allow you to brake and throttle at the same time for more than a few seconds. This is a safety feature built into cars to make sure people don't wreck themselves.
Unfortunately, this feature reduces your ability to do a standing burnout at the dragstrip or brake boost (if available) off the line. After doing a lot of reading on the subject and asking around I found a way to defeat this and did so using a momentary switch (it has to be held down to work).
Tools required (trim removal tool/flathead screwdriver, phillips head screwdriver, needle nose pliers, soldering iron, heat shrink, extra wire, razor blade/wire cutter)
1: Remove your driver side kick guard by pulling up and back on it.
2: Remove the fuse box cover in it's entirety, there is a screw located in the front of it but the other parts are clips and can be pulled directly off.
3: With the fuse box off you can see the fuse diagram showing the fuse that can be pulled accomplishing the same function but removing brake light operation.
4: Locate the pink wire in the middle harness plug. Above the green in the picture. This is the brake light signal wire.
5: Cut this wire and solder your switch wiring on to the ends. Heat shrink the connections and run your additional wiring to your switch.
6: I ran my wires to a button in the center console that is a momentary switch. If I hold it down I can brake boost all day, when I let it go it will return to OEM functions.
The best part about this method is that you maintain your brake lights no matter what (in comparison to the fuse pulling method which disables your brake lights)
How does this work with AWD? If I remember correctly there was a way to disable AWD. Maybe that was you?
You can use it to brake boost if you're FI and you're AWD can stay on (this is how I will be using it most of the time). Also, I did a DIY on the AWD to RWD switch as well.
Originally Posted by Yan141
Very nice write up.......cant wait to see the videos!
Thanks! Awaiting some more "minor" modifications and then videos will start being posted!
First, thank you for posting this!!!!!!! Can't wait to try it...
Second, do you have to use a momentary switch? Or is that just your way of keeping the computer system happy for "just" long enough? Does wiring in a standard switch cause you to lose brake lights or get error lights?
02-26-2016, 02:53 PM
