Continued
Vehicle Speed Sensor Hook-Up
• On the tail shaft of transfer case (4x4) or transmission (2 wheel drive), locate the purple wire w/
white tracer and tap connect Yellow wire.
Do not cut this wire only tap into the wire.
Lock-Up Controller Screen Reads Description and Action to Take.
• Press right arrow to go to the next screen. Press left arrow to go back to the previous screen.
1. Main menu: will tell you when the TCC is engaged or disengaged. This is the menu you will
want to drive in.
2. Contrast menu: up arrow will brighten and down arrow will darken screen.
3. Back light menu: up arrow will brighten and down arrow will darken screen.
4. Torque Lock ON/OFF: up arrow turns on and down arrow turns off. In the ON position torque
lock will control TCC engagement/disengagement with settings you program. In the torque lock
off position, factory programming will control TCC operation.
5. Check button is “Enter”, it confirms action, X button is “Cancel”.
Cancel Enter
Programming the Controller
• It will be necessary to drive the truck to set TCC Engage/Disengage speed settings. We
recommend having a passenger enter settings while you operate vehicle.
1. Set torque lock to off position.
2. Scroll right arrow to speed settings.
3. Obtain desired speed of TCC engagement, press up arrow. Allow vehicle to slow to the speed
at which you wish to release converter. (Not recommended below 28 MPH) Press down arrow.
Press right arrow twice to go to the save setting screen. Press check mark to store settings.
Press X to return to main screen.
4. To check operation, drive vehicle, when the preset engagement speed is reached, the TCC
should engage and the screen will read (TCC engaged). Now lift throttle, you should feel engine
compression braking down to release speed and screen will show (TCC disengaged).