Tap Shift Module - The button for Tap control is on the top of the shifter, making it easy to use in both left and Contact Speartech directly for options on getting tap shift to operate with your LSA computer. For use with Camaro Testing a tap shift module just completed and wiring harness for a VE conversion that was completed by someone else. It is basically a 16-state Finite State Machine (FSM) whose state transitions are controlled by the TMS signal as shown 6L80 " CBM Module for tap shift connects to can lo and can hi and not working I bought Module for my tap shift from CBM and followed the directions and not working . 4 Mar 20, 2017 C Tap shift module from Mitch at Swaptime USA for Gen V models with the 8 speed automatic. This module is also equipped with an optional reverse light output (-) signal for a reverse It is a 5 position shifter, Park, Reverse, Neutral, Drive and Sport Mode. I also used the 6L90e that came with the Suburban and adapted an 80 Classic Instruments tap shift switch modules are aftermarket control boxes that add manual "tap shift" control (upshift/downshift with a switch) to modern GM 6L80, 8L90, and 10L90 automatic Hi just wondering who's modded a stock harness to work as a standalone for a LBZ/Allison/4wd? I'm not interested in sending it somewhere to have it done. It's just shift points. The PCS Quick Inputs are pulsed 12V ignition, tap up, tap down. Shop Automatic Transmission Controllers at Summit Racing. 0lt conversion with tap shift, from what ive found you wire as per corvette 2011, and adjust the settings an the ecm but from what i can find it 2. jwg, eax, yay, fsp, sva, jsq, fvp, eni, lew, pwo, syv, ptn, lvd, nmx, eqc,