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

** (FRONT OF LEFT CYLINDER HEAD) (REAR OF CYLINDER HEAD) ** (RIGHT FRAME RAIL, NEAR BATTERY) ** (RIGHT SIDE OF RADIATOR SUPPORT) (RIGHT REAR OF ENGINE) ** WITH SCHOOLBUS EQUIPMENT BATTERY (GASOLINE ENGINES) BLK BLK WIRE BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE CONTROLLER CONVENIENCE CENTER DATA LINK CONN- ECTOR DAYTIME RUNNING LAMP MODULE DAYTIME TRANSMISSION RUNNING LAMP RELAY RANGE INDICATOR LAMP FUEL CYCLE MODULE EGR ELECTRONIC VACUUM REGULATOR SOLENOID VALVE ENGINE ENGINE DATA LINK CONNECTOR TRANSMISSION CONTROL MODULE COOLANT LEVEL SENSOR FUEL PUMP FUEL PUMP RELAY LEFT (OR REAR ) BATTERY ** LEFT HIGH BEAM HEADLAMP LEFT HIGH/ LOW HEADLAMP LEFT HORN LEFT TURN/ PARK LAMP ASSEMBLY NOT USED PANEL DIMMER SWITCH WASHER PUMP I/P CLUSTER PARK BRAKE SWITCH POWERTRAIN CONTROL MODULE (PCM) PROVISIONS PROVISIONS FOR RIGHT SIDE MARKER FOR LEFT SIDE MARKER RIGHT (OR FRONT ) BATTERY RIGHT HIGH BEAM HEADLAMP RIGHT HIGH/ LOW HEADLAMP RIGHT HORN RIGHT TURN/ PARK LAMP ASSEMBLY STARTER RELAY TAN WIRE VEHICLE SPEED SENSOR BUFFER FUEL HEATER VEHICLE SPEED SENSOR BUFFER KNOCK SENSOR SYSTEM MODULE HEATED OXYGEN SENSOR W/ AUTOMATIC TRANSMISSION W/ AUTOMATIC TRANSMISSIONS W/ DAYTIME RUNNING LIGHTS W/ DIESEL ENGINE W/ DIESEL ENGINES W/ GASOLINE ENGINES W/ SCHOOLBUS EQUIPMENT WATER- IN-FUEL SENSOR GLOW PLUG WIPER MOTOR

A/C COMPRESSOR CLUTCH A/C COMPRESSOR REFRIGERANT PRESSURE SWITCH A/C COMPRESSOR RELAY AUXILARY ENGINE COOLANT FAN MOTOR AUXILIARY ENGINE COOLANT FAN A/C PRESSURE SWITCH BATTERY BLK WIRE BRAIDED STRAP DATA LINK CONNECTOR DAYTIME RUNNING LAMPS CONTROL MODULE DAYTIME RUNNING LAMPS RELAY DIESEL DIFFERENTIAL BREAKOUT) ELECTRONIC BRAKE CONTROL MODULE ENGINE BLOCK) ENGINE COOLANT LEVEL SWITCH FUEL LEVEL SENSOR FUEL PUMP (DIESEL) FUEL PUMP MODULE GAS DIESEL GASOLINE GLOWPLUG RELAY (MECHANICAL) HIGH NOTE HORN STEERING COLUMN HORN BREAKOUT) I/P DIMMER SWITCH SEAT BELT ALARM MODULE I/P FUSE BLOCK BREAKOUT) JUNCTION BLOCK BREAKOUT) LEFT PARK/ TURN SIGNAL LAMP RIGHT PARK/ TURN SIGNAL LAMP LEFT SIDE MARKER LAMP LOW NOTE HORN LEFT HEADLAMP PARK BRAKE INDICATOR SWITCH RIGHT HEADLAMP RIGHT SIDE MARKER LAMP SECONDARY BATTERY (DIESEL ONLY) STARTER RELAY

5.7L A/C COMPRESSOR HIGH PRESSURE CUT OFF SWITCH A/C COMPRESSOR HIGH PRESSURE CUTOFF SWITCH BLK WIRE BRAKE PRESSURE DIFFERENTIAL SWITCH DATA LINK CONNECTOR DIESEL DK GRN WIRE ELEC ELECTRONIC BRAKE CONTROL MODULE FUEL HEATER FUEL PUMP FUEL PUMP RELAY FUEL PUMP RELAY (DIESEL) FUSE BLOCK BREAKOUT) GASOLINE GLOWPLUG CONTROLLER GLOWPLUG CONTROLLER (FEDERAL) GLOWPLUG CONTROLLER (CALIFORNIA) HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 IGNITION CONTROL MODULE INSTRUMENT CLUSTER M/T A/T MASS AIR FLOW SENSOR MECH NCA WIRE POWERTRAIN CONTROL MODULE POWERTRAIN/ VEHICLE CONTROL MODULE STARTER RELAY TRANSMISSION CONTROL MODULE (DIESEL) VCM/ PCM VEHICLE CONTROL MODULE VEHICLE SPEED SENSOR CALIBRATOR (DIESEL) VEHICLE SPEED SENSOR SHIELD A/T OUTPUT SPEED SENSOR SHIELD WATER IN FUEL INDICATOR SENSOR WHEEL SPEED SENSOR BREAKOUT) WHT WIRE