5r110 manual tc lockup switch

[6.0 p-stroke]

Idk how I'm gonna be able to hold 3 buttons down at the same time and keep the truck steered straight down the track LOL

 

[Marty]

Put a push button on floor next to brake pedal.

 

[Jarrod B]

I did this on my 4r. Would be cool to see this work on a 5r.

 

[kyle43335]

Its just a ground to the lock up wire correct? Just not pwm?

you cant just ground the wire!!!! the pcm sees this and throws the trans into limp mode.

you have to wire it up so you can ground that wire without the pcm seeing it.

 

[kyle43335]

You'll probably want it on a momentary switch that you can't accidentally leave locked

you need a double pole double throw switch.

 

[Craig@MFI]

you cant just ground the wire!!!! the pcm sees this and throws the trans into limp mode.

you have to wire it up so you can ground that wire without the pcm seeing it.

You can to just ground it...it throws the light but does not limp the trans and if your just racing shut the truck off when you done and restart it

 

[Mike@MPD]

Idk how I'm gonna be able to hold 3 buttons down at the same time and keep the truck steered straight down the track LOL

I did it with whitey on two stages. You'll be fine lol

Sent by my Nexus powered by this (╯°□°)╯

 

[6.0 p-stroke]

I did it with whitey on two stages. You'll be fine lol

Sent by my Nexus powered by this (╯°□°)╯

I just need to put my first stage on a wot switch but I'm lazy haha

 

[Mike@MPD]

A simple on off switch works fine just pay attention to shut it off before you slow down to 30 and you will be fine

Sent by my Nexus powered by this (╯°□°)╯

 

[Redneck6.0L]

beware it is hard on converters thou

 

[Mike@MPD]

X2 on that note

Sent by my Nexus powered by this (╯°□°)╯

 

[Dzchey21]

you need a double pole double throw switch.

I see what you are saying about interrupting the signal to the pcm but I think it will still throw a code based on tc slip so I don't think its going to matter either way

 

[TurboM700]

You can to just ground it...it throws the light but does not limp the trans and if your just racing shut the truck off when you done and restart it

Correct

If you simple tap into the ground wire the sec the TCM sees a ground on the wire it goes to LIMP mode.

What you need to do is cut the wire and set it up so when you hit the button it brakes the circuit from the TCM to the transmission and goes thru the button.

This way the TCM never sees the ground being applied to the TC lock up switch.

You could do it with a simple relay also and a push button switch if you wanted to use a smaller switch.

 

[Redneck6.0L]

you cant just ground the wire!!!! the pcm sees this and throws the trans into limp mode.

you have to wire it up so you can ground that wire without the pcm seeing it.

done this to two different trucks, doesn't go into limp, but it does throw a light on

 

[kyle43335]

You can to just ground it...it throws the light but does not limp the trans and if your just racing shut the truck off when you done and restart it

when it limps the trans immediately,especially when your trying to hold a specific gear(not 5th), IT DOESNT WORK!!

 

[kyle43335]

done this to two different trucks, doesn't go into limp, but it does throw a light on

every truck ive tried it on,it limps. idk.

 

[kyle43335]

Correct

If you simple tap into the ground wire the sec the TCM sees a ground on the wire it goes to LIMP mode.

What you need to do is cut the wire and set it up so when you hit the button it brakes the circuit from the TCM to the transmission and goes thru the button.

This way the TCM never sees the ground being applied to the TC lock up switch.

You could do it with a simple relay also and a push button switch if you wanted to use a smaller switch.

exactly, this is what im doing.

 

[fordfreak4life]

When u break the ground from the controller it sees an open and limps the trans to keep from damaging itself

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[Craig@MFI]

Okay haven't been using it on numerous trucks for over 3 years now maybe I've just been dreaming it works

 

[fordfreak4life]

Okay haven't been using it on numerous trucks for over 3 years now maybe I've just been dreaming it works

I don't doubt it does.... do u just tap a ground in or put a cutout switch in?

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