H'ville TA

Is there an easy "hard-wire" way to disable converter lock-up for cruising around town? I have a 2000 TA w/ a few bolt-ons and a TransGo shift kit and Yank 3600ss. When cruising around town with stop and go traffic(40mph and below), converter will drop into TCC. This has become annoying. Is there a transmission or PCM comm. wire that can be interrupted for town cruising but then reconnected for High-way TCC without throwing a code when cruising? I thinking maybe a toggle switch to interrupt/and reconnect. I have no tune shops close and I am hoping to do this as a temp fix until I find time to take a trip to the city for a tune. Any other suggestions/comments. Transmission works/shifts good otherwise!

Thanks

performabuilt

iTrader: (25)

Well there a brake interupt switch at the brake light switch you might could do somethng there I would have to look at wiring diagrams to see.
other than that anything you do would set a code.

H'ville TA

Looked at wiring diagrams and this looks like a good possibility. I will post results later. Thanks for the advise.

tptransmission

The tcc brake switch is the best way to do it with out setting a code.

H'ville TA

The brake interrupt switch at the brake light switch had good results. My additional inline switch breaks continuity of the brake signal to the trans.The only problem I found was the transmission has to go through all gears then TCC before the computer will accept the input (or lack of). Once the trans hits TCC, cycling the switch will drop the trans out of TCC and prevent TCC until an ignition reset or activation of switch (reconnecting signal to trans). This will work for now until we get the computer reprogrammed. Thanks everyone.

AutomagicLS1

iTrader: (18)

If you have tuning software you can tune this out

382ssz28

iTrader: (24)

Yeah, you have an 00 with a 60E. Raise the lockup engagement. Mine doesn't come in until 58mph.

9000th01ss

iTrader: (10)

Are you sure about this?
A bad brake pedal TCC switch set a code in my truck.

9000th01ss

iTrader: (10)

I was also thinking of wiring a switch, I can tune the TCC apply and release, but there is no perfect tune.

I can tune TCC to work perfect until I'm stuck for 20 miles behind some old lady who wants to cruise at 1 mph below my lock up speed.

I may try adding a performance mode switch to PCM pin J1-71 and tune it just for TCC apply options.

382ssz28

iTrader: (24)

You have to be carefull as the PCM uses a quaddriver to engage LU. Check the voltage and amperage spec and then incorperate a relay to prevent a spike. Ask Veee8 about his on/off switch and burnt LU solenoid. BTW, drop the hammer and get around that old broad, LOL.

9000th01ss

iTrader: (10)

It would be no different than a stock vehicle applying tcc. You can add a pin to 71 blue and, when momentarily grounded, it switches the VCM (PCM, engine computer, whatever you decide to call it) to performance mode. Then you use HP Tuners to change settings that the switch adds. It can change several things with the trans, well about everything, with the push of a button. It switches to different pressure tables, shift speeds, shift times, tcc apply apply and release, etc.

I was thinking of using a pin off my now disconnected rear O2 connector, plugging it into 71, cutting it out of the plug and it'll reach to under the console. I'd copy and paste all of my existing tables over and a modified tcc table so when I hit the button it only changes tcc apply (or whatever else I program in different than stock).