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You will need to concentrate on the bottom one.
There are two wires on this bottom plug. Four wires for the column shifters.
The red wire with white stripe is the wire that talks to the ECU. It tells the ECU that you are hitting the brakes and disables the Throttle 90%.
That's why if you have ever tried to do a brake-stand, your Titan lugs down and barely spins a wheel. This used to upset me SO much.
Well, Miserytom figured out the mod.
If you just want to test the mod out before you start cutting wires, you can just unplug the bottom plug.
If you just unplug it you have to put the truck in NEUTRAL first and put the PARKING BRAKE on. The reason being is that the second wire controls the Park lock on the shifter and you wont be able to get it out of park with it unplugged. Also the other wire controls the brake lights so just unplugging it will kill your brake lights.
But just for test, unplug it and let off your parking brake and put it in drive.
Mash the brake and stomp on the gas and let her rip!!
I bet you a dollar if you don't let off the gas, you will eventually blow your tire......or catch it on fire.
OK if you want to do the mod, you can cut the red/white wire and put any old on/off switch and mount it where ever you want.
Misery did his this way:::
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OK, here we go lol
disconnect and remove battery.
remove battery tray (4 bolts)
pull out bottom ECM plug
cut open harness and find red wire with white stripe.
mount any type on on/off switch in cab (where ever you want the switch)
run wires from switch through firewall and into engine bay(near fuse box)
cut the red/White wire, and connect the ECM end of the red/White wire to the acc. side of the switch and the other end of the red/White wire to the supply side of the switch, tape 'em up and re-assemble everything in the reverse order, your done.
for normal driving operation --- switch in "on" position
for burnout mode --- switch in "off" position
happy tire killin
disconnect and remove battery.
remove battery tray (4 bolts)
pull out bottom ECM plug
cut open harness and find red wire with white stripe.
mount any type on on/off switch in cab (where ever you want the switch)
run wires from switch through firewall and into engine bay(near fuse box)
cut the red/White wire, and connect the ECM end of the red/White wire to the acc. side of the switch and the other end of the red/White wire to the supply side of the switch, tape 'em up and re-assemble everything in the reverse order, your done.
for normal driving operation --- switch in "on" position
for burnout mode --- switch in "off" position
happy tire killin
I'm not sure why he prefers this way but I'm sure he has a reason.
Another thing about the ECU wire is that when you are normal driving, you should leave switch on because it also serves as a safety measure in case you somehow have a wide open throttle and your truck is about to run itself into a brick wall, it will choke the motor when you slam on the break.
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