Copyright © 2002 ATSG SWITCH SENSE HOT AT ALL TIMES ON/OFF SET LEFT CRUISE CONTROL SWITCH CLOCKSPRING ASSEMBLY HORN SWITCH HORN RELAY TPS SENSOR GROUND SENSOR GROUND TPS SIGNAL 5 VOLT REF PCM TPS SIGNAL TCM Figure 1 TO RIGHT CRUISE CONTROL SWITCH HORNS SHORTS TO 12 VOLT HORN CIRCUIT HORN CIRCUIT SHORTS TO 5 VOLT “SWITCH SENSE” CRUISE CIRCUIT IN THE PCM BATTERY VOLTAGE FROM SHORT TO HORN CIRCUIT DRIVES TPS SIGNAL VOLTAGE HIGH " 2 0 0 5 "  S E M I N A R  I N F O R M A T I O N Automatic Transmission Service Group SLIDE 73 SENSOR GROUND SWITCH SENSE