411 PCM w/Tow Haul shifter

[volunteerff21]

No longer need as I'm selling the truck I was going to install it on.

Still has the stock tune of whatever truck I yanked it from.

Will need to be tuned for your application.

Also includes tow haul shifter.

Asking $70 shipped for both.

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[volunteerff21]

Bump

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[volunteerff21]

Bump. Not sure what happened to the original pictures.

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[BowtieBrody]

Curious as to how tow-haul mode would work, I googled it and didn't find any clear results,

GLWS; honestly thinking about this as my next truck is going to a 400 regardless, but I don't have a way to transfer funds like a pay-pal; where do you find the tow-haul shifter? And is it a direct swap in on our trucks?

 

[Smith]

Tow Haul is not needed correct? It can be tuned out? Either way I'm interested. Where was the PCM sourced from?

 

[Eskimomann209]

It can be tuned out
It momentarily grounds one of the pins enabling tow mode some people use an aftermarket switch and some use the shifter same results
Not sure on the specifics but I think the truck shifts later or something of that nature

 

[Biggershaft96]

It can be tuned out
It momentarily grounds one of the pins enabling tow mode some people use an aftermarket switch and some use the shifter same results
Not sure on the specifics but I think the truck shifts later or something of that nature

Tow/haul mode just winds the motor out a little more between shifts, ups the line psi for firmer shifts, and it wont let the converter lock in 4th gear.

 

[GMRedline]

What's the shifter out of?

 

[Cokeman95]

What's the shifter out of?

Believe it's out of a GMT800 truck.

I'm contemplating using this when I do mine

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[Biggershaft96]

Believe it's out of a GMT800 truck.

I'm contemplating using this when I do mine

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Whats that bad boy out of?