Cruise control circuit for GMC Rally G2500 (1985-1995)

BATTERY BRAKE CRUISE SW BLK WIRE BLK/WHT WIRE CONVENIENCE CENTER CRUISE CONTROL BRAKE SWITCH CRUISE CONTROL MODULE CRUISE CONTROL SWITCH CRUISE INPUT DK BLU WIRE DK GRN WIRE FUSE BLOCK GAGE FUSE GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START INSTRUMENT CLUSTER SYSTEM LT GRN WIRE OFF ON/OFF SW SET/COAST RESUME/ACCEL BRAKE SW IN ORG/ WIRE PCM STATUS VEHICLE SPD SENS PNK/WHT WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT KICK PANEL) PPL R/A S/C STOP LAMP SWITCH (ON BRAKE PEDAL SUPPORT) STOP/ HAZ FUSE VEHICLE SPEED SENSOR VEHICLE SPEED SENSOR BUFFER (ON PARKING BRAKE SUPPORT BRACKET) SOLID STATE WHT WIRE YEL WIRE