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4L65-e TCC signal for swap

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Old Mar 25, 2013 | 07:07 PM
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Question 4L65-e TCC signal for swap

Hi all,
I searched... I promise.

I'm swapping an '06 LS2 and A4 into a First Gen. Camaro.
I swapped the brake light switch to a 2000 Camaro switch to use for the TCC signal.
My problem is that the '06 GTO 4L65-e has two TCC wires\signals between the trans and the TCM. I don't know which one to use for wiring the brake switch.
They both use GND as their control signals, but I don't know if I need to tie them together and tap to the brake switch or not.

Thanks all!
Attached Thumbnails 4L65-e TCC signal for swap-a4tranny08.jpg  
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Old Mar 25, 2013 | 07:32 PM
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Tapping into the TCC wiring was done in the pre-PCM/TCM days when a simple control module was hooked up to the 700R4.

On your setup, the PCM and/or TCM is has an input wire that needs to be connected to the brake pedal switch. When you then hit the brakes the TCM will disengage the TCC.
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