Shifter A/T: Description and Operation

CIRCUIT OPERATION
The auto stick is used to allow the operator to control the shifting of the transmission. This system uses hall effect switches located at the base of the shifter.

There are two hall effect switches used. One is for the Upshift and that circuit connects to cavity 5 of the Transmission Control Module (TCM) connection. The other switch is used for downshifting. This circuit connects to cavity 44 of the TCM connector.

Power for the switches is supplied on circuit F11. This circuit is protected by a 5 Amp fuse located in cavity 17 of the junction block. Power for the fuse is supplied on circuit A81. This circuit connects from the ignition switch to the junction block and is HOT in the OFF/RUN/START position.

Power for the A81 circuit is supplied by circuit A1. This circuit is protected by a 20 Amp fuse located in cavity A of the Power Distribution Center (PDC).

Ground for the switches is supplied on circuit Z1.