GMC Forward Control P3500 (1985-1999) Ground distribution circuit, cutaway chassis

A/C COMPRESSOR A/C COMPRESSOR PRESSURE CYCLING SWITCH BATTERY BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BLOWER MOTOR BLOWER RELAY BRAKE SHIFT INTERLOCK RELAY BRAKE/ TRANSMISSION SHIFT INTERLOCK SOLENOID VEHICLE SPEED SENSOR BUFFER BUS BAR GROUND CANADA ONLY CIGARETTE LIGHTER CRUISE CONTROL MODULE DATA LINK CONN- ECTOR FUEL PUMP RELAY DAYTIME RUNNING LAMPS MODULE DAYTIME RUNNING LAMPS RELAY DK GRN WIRE EGR ELECTRONIC VACUUM REGULATOR VALVE SOLENOID FLOW SWITCH (BRAKES) FUEL PUMP HEATER CONTROL LAMP IN LINE DIODE INSTRUMENT CLUSTER LEFT HIGH BEAM HEADLAMP LEFT HORN LEFT LOW BEAM HEADLAMP LEFT PARK AND TURN LAMP LEFT PARK LAMP LEFT SIDE MARKER LAMP LEFT TAIL STOP AND TURN LAMP LICENSE LAMP GROUND (FROM BODY BUILDER) POWER DOOR LOCK RELAY POWERTRAIN CONTROL MODULE (PCM) PROVISIONS FOR CLEARANCE LAMPS LEFT POWER WINDOW SWITCH RADIO RIGHT HIGH BEAM HEADLAMP RIGHT HORN RIGHT LOW BEAM HEADLAMP RIGHT PARK AND TURN LAMP RIGHT PARK LAMP SAFETY BELT RETRACTOR SWITCH AUDIO ALARM MODULE TAN WIRE TAN/WHT WIRE WINDSHIELD WASHER PUMP LIGHT SWITCH WINDSHIELD WIPER MOTOR MODULE