GMC Forward Control P3500 1996 - 1996 GENERAL MOTORS Parcel Delivery Van

GMC Forward Control P3500 1996 - BUZZERS, RELAYS & TIMERS

GMC Forward Control P3500 1996 BUZZERS, RELAYS & TIMERS

Component	Component Location
A/C Enable Relay (4.3L VIN W)	Left side of engine compartment. See Fig. 3.
A/C Enable Relay (5.7L VIN R)	Left side of engine compartment. See Fig. 1.
A/C Enable Relay (Commercial Van) (7.4L VIN J)	Right side of driver's island. See Fig. 2.
A/C Enable Relay (Motor Home) (7.4L VIN J)	Engine firewall relay bracket, under battery junction block.
Auxiliary Engine Coolant Fan Relay (6.5L VIN F)	Engine firewall relay bracket, under battery junction block.
Brake/Trans. Shift Interlock (BTSI) Relay	Mounted on top of support bracket at driver's island.
Daytime Running Lamps (DRL) Relay	Behind left side of dash.
Fan Control Relay	At main support bracket, behind steering column.
Fuel Pump Relay (4.3L VIN W)	Left side of engine compartment. See Fig. 3.
Fuel Pump Relay (5.7L VIN R)	Left side of engine compartment. See Fig. 1.
Fuel Pump Relay (7.4L VIN J)	Left side of engine compartment. See Fig. 2.
Glow Plug Relay (6.5 VIN F)	At top rear of intake manifold. See Fig. 4.
Hazard Lamps Flasher	Behind left side of dash, above steering column (body builder installed).
Horn Relay	On top of main support, at driver's island.
Park Brake Pump Motor Relay	On right frame rail, behind transmission.
Seat Belt & Headlamps Alarm	At the bottom of the dash fuse block.
Starter Relay (6.5L VIN F)	Engine firewall relay bracket, under battery junction block.
Starter Relay (Gasoline)	At relay center, on right side of driver's island support.
Turn Signal Flasher	On dash fuse block.

GMC Forward Control P3500 1996 - CIRCUIT PROTECTION DEVICES

GMC Forward Control P3500 1996 CIRCUIT PROTECTION DEVICES

Component	Component Location
Battery Junction Block	On left side of firewall, near firewall connector.
Circuit Breaker (Power Accessory)	On main fuse block.
Circuit Breaker (Power Window)	On main fuse block.
Dash Fuse Block (4.3L VIN W)	Behind dash panel (body builder installed). See Fig. 3.
Dash Fuse Block (5.7L VIN R)	Behind dash panel (body builder installed. See Fig. 1.
Dash Fuse Block (6.5L VIN F)	Behind dash panel (body builder installed). See Fig. 4.
Dash Fuse Block (7.4L VIN J)	Behind dash panel (body builder installed). See Fig. 2.
Dash Fuse Block (Auxiliary)	Attached to lower side of main fuse block.
Dash Fuse Block (Main)	Behind left side of dash, above kick panel.
Fusible Links	At battery junction block.

GMC Forward Control P3500 1996 - CONTROL UNITS

GMC Forward Control P3500 1996 CONTROL UNITS

Component	Component Location
Accelerator Pedal Position (APP) Module (6.5L VIN F)	Behind left side of dash. See Fig. 4.
Cruise Control Module	On radiator support bracket.
Daytime Running Lamps (DRL) Module	Behind dash, above steering column.
Glow Plug Control Module (6.5L VIN F)	Left rear of engine, near firewall.
Ignition Coil Driver Module (4.3L VIN W)	Right top of engine. See Fig. 3.
Ignition Coil Driver Module (5.7L VIN R)	Right top of engine. See Fig. 1.
Ignition Coil Driver Module (7.4L VIN J)	On bracket at rear of intake plenum. See Fig. 2.
P/B Booster Fluid Flow Indicator/Alarm Delay Module (School Bus)	Brake warning system harness, taped to dash harness at breakout to dash fuse block & headlamps switch.
Powertrain Control Module (PCM) (6.5L VIN F)	Behind left side of dash. See Fig. 4.
Transmission Control Module (TCM) (6.5L VIN F)	Left interior firewall, on top of relay bracket.
Vehicle Control Module (VCM) (4.3L VIN W)	Left front corner of engine compartment. See Fig. 3.
Vehicle Control Module (VCM) (5.7L VIN R)	Left front corner of engine compartment. See Fig. 1.
Vehicle Control Module (VCM) (7.4L VIN J)	Center front of engine compartment. See Fig. 2.
Windshield Wiper Pulse Control Module	Tie strapped to engine wiring harness, under driver's island support.

GMC Forward Control P3500 1996 - MOTORS

GMC Forward Control P3500 1996 MOTORS

Component	Component Location
Auxiliary Engine Cooling Fan	In front of radiator.
Cruise Control Stepper Motor	Integral to cruise control module.
Electronic Injection Pump (6.5L VIN F)	Top front of engine.
Fuel Lift Pump (6.5L VIN F)	Inside left frame rail, below driver's door.
Fuel Lift Pump Motor (6.5L VIN F)	At right frame rail, ahead of fuel tank.
Fuel Pump (FP) Motor (7.4L VIN J)	Mounted inside of fuel tank.
Fuel Sender & Fuel Pump (7.4L VIN J)	On top of fuel tank.
Park Brake Pump Motor	On right frame rail, behind transmission.
Timing Stepper Motor (6.5L VIN F)	Part of fuel injection pump. See Fig. 4.
Windshield Wiper Motor	Located per body builder.

GMC Forward Control P3500 1996 - SENDING UNITS & SENSORS

GMC Forward Control P3500 1996 SENDING UNITS & SENSORS

Component	Component Location
Ambient Air Temperature Sensor (7.4L VIN J)	In the intake duct behind air filter box.
Automatic Transmission Input Speed Sensor (4.3L VIN W)	On left side of transmission. See Fig. 3.
Automatic Transmission Input Speed Sensor (5.7L VIN R)	On left side of transmission. See Fig. 1.
Automatic Transmission Input Speed Sensor (7.4L VIN J)	On left side of transmission. See Fig. 2.
Barometric Pressure Sensor (6.5L VIN F)	Top of intake manifold, Left side in back.
Boost Sensor (6.5L VIN F)	On top right center of engine. See Fig. 4.
Camshaft Position (CMP) Sensor (4.3L VIN W)	Rear of engine. See Fig. 3.
Camshaft Position (CMP) Sensor (5.7L VIN R)	Right rear of engine. See Fig. 1.
Camshaft Position (CMP) Sensor (7.4L VIN J)	Internal to ignition distributor. See Fig. 2.
Crankshaft Position (CKP) Sensor (4.3L VIN W)	Right front of engine. See Fig. 3.
Crankshaft Position (CKP) Sensor (5.7L VIN R)	Right front of engine. See Fig. 1.
Crankshaft Position (CKP) Sensor (6.5L VIN F)	Inside electronic injection pump, on right front of engine. See Fig. 4.
Crankshaft Position (CKP) Sensor (7.4L VIN J)	On lower right front of engine, behind torsional damper. See Fig. 2.
Engine Coolant Temperature (ECT) Gauge Sensor (6.5L VIN F)	On left front of engine, behind P/S pump.
Engine Coolant Temperature (ECT) Gauge Sensor (7.4L VIN J)	Front & center of engine coolant intake.
Engine Coolant Temperature (ECT) Sender (4.3L VIN W)	On left rear of left cylinder head.
Engine Coolant Temperature (ECT) Sensor (4.3L VIN W)	Top front of engine. See Fig. 3.
Engine Coolant Temperature (ECT) Sensor (5.7L VIN R)	Top front of engine. See Fig. 1.
Engine Coolant Temperature (ECT) Sensor (6.5L VIN F)	Top right front of engine. See Fig. 4.
Engine Coolant Temperature (ECT) Sensor (7.4L VIN J)	Top front of engine. See Fig. 2.
Engine Oil Pressure Gauge Sensor (6.5L VIN F)	Left rear top of engine block.
Engine Speed Sensor (6.5L VIN F)	On top rear of engine, in fuel injection pump.
Fuel Pump Switch & Engine Oil Pressure Gauge Sensor (4.3L VIN W)	Top left rear of engine. See Fig. 3.
Fuel Pump Switch & Engine Oil Pressure Gauge Sensor (5.7L VIN R)	Top left rear of engine. See Fig. 1.
Fuel Pump Switch & Engine Oil Pressure Gauge Sensor (7.4L VIN J)	On engine block, top rear, behind distributor. See Fig. 2.
Fuel Sender (6.5L VIN F)	On top of fuel tank.
Fuel Temperature Sensor (6.5L VIN F)	Part of fuel injection pump assembly. See Fig. 4.
Heated Oxygen Sensor (HO2S) Left Pre-Converter (4.3L VIN W)	On left exhaust down pipe. See Fig. 3.
Heated Oxygen Sensor (HO2S) Right Pre-Converter (4.3L VIN W)	On right exhaust down pipe. See Fig. 3.
Heated Oxygen Sensor (HO2S) Post-Converter (4.3L VIN W)	On exhaust system, after catalytic converter. See Fig. 3.
Heated Oxygen Sensor (HO2S) Left Pre-Converter (5.7L VIN R)	On left exhaust down pipe. See Fig. 1.
Heated Oxygen Sensor (HO2S) Left Post-Converter (5.7L VIN R)	On left exhaust system, after catalytic converter. See Fig. 1.
Heated Oxygen Sensor (HO2S) Right Pre-Converter (5.7L VIN R)	On right exhaust down pipe. See Fig. 1.
Heated Oxygen Sensor (HO2S) Right Post-Converter (5.7L VIN R)	On right exhaust system, after catalytic converter. See Fig. 1.
Heated Oxygen Sensor (HO2S) Left Pre-Converter (7.4L VIN J)	On left exhaust down pipe. See Fig. 2.
Heated Oxygen Sensor (HO2S) Left Post-Converter (7.4L VIN J)	On exhaust system, after catalytic converter. See Fig. 2.
Heated Oxygen Sensor (HO2S) Right Pre-Converter (7.4L VIN J)	On right exhaust down pipe. See Fig. 2.
Heated Oxygen Sensor (HO2S) Right Post-Converter (7.4L VIN J)	On exhaust system, after catalytic converter. See Fig. 2.
Intake Air Temperature (IAT) Sensor (4.3L VIN W)	Mounted in fresh air intake, behind air filter box on right side. See Fig. 3.
Intake Air Temperature (IAT) Sensor (5.7L VIN R)	Mounted in fresh air intake, behind air filter box on right side. See Fig. 1.
Intake Air Temperature (IAT) Sensor (6.5L VIN F)	Top of engine, in air intake. See Fig. 4.
Intake Air Temperature (IAT) Sensor (7.4L VIN J)	Mounted in fresh air intake, behind air filter box on right side. See Fig. 2.
Knock Sensor (KS) (4.3L VIN W)	Lower right side of engine. See Fig. 3.
Knock Sensor (KS) (5.7L VIN R)	Lower right side of engine. See Fig. 1.
Knock Sensor (KS) (7.4L VIN J) (Left)	Lower left side of engine. See Fig. 2.
Knock Sensor (KS) (7.4L VIN J) (Right)	Lower right side of engine. See Fig. 2.
Low Engine Coolant Level Indicator Sensor (6.5L VIN F)	In radiator tank, right side of engine compartment.
Manifold Absolute Pressure (MAP) Sensor (4.3L VIN W)	Top right rear of engine. See Fig. 3.
Manifold Absolute Pressure (MAP) Sensor (5.7L VIN R)	Top right rear of engine. See Fig. 1.
Manifold Absolute Pressure (MAP) Sensor (7.4L VIN J)	Top center front of engine. See Fig. 2.
Mass Air Flow (MAF) Sensor (4.3L VIN W)	Right front of engine compartment, on air intake assembly. See Fig. 3.
Mass Air Flow (MAF) Sensor (5.7L VIN R)	Right front of engine compartment, on air intake assembly. See Fig. 1.
Mass Air Flow (MAF) Sensor (7.4L VIN J)	Right front of engine compartment, on air intake assembly. See Fig. 2.
Throttle Position (TP) Sensor (4.3L VIN W)	On throttle body, top of engine. See Fig. 3.
Throttle Position (TP) Sensor (5.7L VIN R)	On throttle body, top of engine. See Fig. 1.
Throttle Position (TP) Sensor (6.5L VIN F)	Right side of fuel injection pump.
Throttle Position (TP) Sensor (7.4L VIN J)	On throttle body, top of engine. See Fig. 2.
Turbocharger (TC) Pressure Sensor (6.5L VIN F)	On top left side of intake manifold.
Vehicle Speed Sensor (VSS) (4.3L VIN W)	On left rear of transmission. See Fig. 3.
Vehicle Speed Sensor (VSS) (5.7L VIN R)	On left rear of transmission. See Fig. 1.
Vehicle Speed Sensor (VSS) (6.5L VIN F)	On left rear of transmission. See Fig. 4.
Vehicle Speed Sensor (VSS) (7.4L VIN J)	On left rear of transmission. See Fig. 2.
Water-In-Fuel Indicator Sensor (6.5L VIN F)	Part of fuel injection pump.
Wheel Speed Sensors (4.3L VIN W)	On each wheel hub assembly. See Fig. 3.
Wheel Speed Sensors (5.7L VIN R)	On each wheel hub assembly. See Fig. 1.
Wheel Speed Sensors (7.4L VIN J)	On each wheel hub assembly. See Fig. 2.

GMC Forward Control P3500 1996 - SOLENOIDS & SOLENOID VALVES

GMC Forward Control P3500 1996 SOLENOIDS & SOLENOID VALVES

Component	Component Location
Brake Pressure Modulator Valve (BPMV)	Near brake master cylinder, at left front wheelhouse.
Brake/Transmission Shift Interlock (BTSI) Solenoid	On steering column.
EGR Boost Pulse Width Modulation Solenoid Valve (6.5L VIN F)	Left rear top of engine, above valve cover. See Fig. 4.
EVAP Canister Purge Solenoid Valve (4.3L VIN W)	Top right side of engine. See Fig. 3.
EVAP Canister Purge Solenoid Valve (5.7L VIN R)	Top right side of engine. See Fig. 1.
EVAP Canister Purge Solenoid Valve (7.4L VIN J)	At left center top of engine, behind A/C compressor. See Fig. 2.
Fuel Injection Pump Cold Advance Solenoid (6.5L VIN F)	In fuel injection pump. See Fig. 4.
Fuel Injection Pump Fuel Shutoff Solenoid (6.5L VIN F)	At fuel injection pump. See Fig. 4.
Idle Air Control (IAC) Valve (4.3L VIN W)	On throttle body assembly. See Fig. 3.
Idle Air Control (IAC) Valve (5.7L VIN R)	On throttle body assembly. See Fig. 1.
Idle Air Control (IAC) Valve (7.4L VIN J)	On throttle body assembly. See Fig. 2.
Idle Speed Control (ISC) Motor Valve (7.4L VIN J)	On throttle body.
Linear Exhaust Gas Recirculation (EGR) Valve (4.3L VIN W)	Top front of engine. See Fig. 3.
Linear Exhaust Gas Recirculation (EGR) Valve (5.7L VIN R)	Top front of engine. See Fig. 1.
Linear Exhaust Gas Recirculation (EGR) Valve (7.4L VIN J)	Top left rear of engine. See Fig. 2.
Turbocharger (TC) Wastegate Solenoid (6.5L VIN F)	At rear of intake plenum.

GMC Forward Control P3500 1996 - SWITCHES

GMC Forward Control P3500 1996 SWITCHES

Component	Component Location
A/C Compressor Refrigerant Pressure Switch (4.3L VIN W)	On A/C accumulator (body builder installed). See Fig. 3.
A/C Compressor Refrigerant Pressure Switch (5.7L VIN R)	On A/C accumulator (body builder installed). See Fig. 1.
A/C Compressor Refrigerant Pressure Switch (7.4L VIN J)	On A/C line, on right front of engine compartment. See Fig. 2.
A/C Compressor High Pressure Cut-Off Switch (4.3L VIN W)	On rear of A/C compressor. See Fig. 3.
A/C Compressor High Pressure Cut-Off Switch (5.7L VIN R)	On rear of A/C compressor. See Fig. 1.
A/C Compressor High Pressure Cut-Off Switch (7.4L VIN J)	On rear of A/C compressor. See Fig. 2.
Auxiliary Engine Coolant Fan A/C Pressure Switch (6.5L VIN F)	In A/C compressor high pressure line (body builder installed).
Auxiliary Fan Control Switch	On right rear of cylinder head, above starter.
Back-Up Lamps Switch (M/T)	Left side of transmission.
Brake Pressure Differential Switch	On proportioning valve, at left front frame rail.
Clutch Pedal Position Switch	Left side of brake pedal support.
Engine Coolant Level Switch (6.5L VIN F)	Left lower end of radiator surge tank.
Engine Coolant Temperature Fan Control Switch	On lower center left side of engine cylinder head.
EVAP Purge Vacuum Switch (5.7L VIN R)	Right side of engine. See Fig. 1.
EVAP Purge Vacuum Switch (7.4L VIN J)	At left center top of engine, behind A/C compressor. See Fig. 2.
Fuel Injection Pump Cold Advance Solenoid Engine Coolant Temperature Switch (6.5L VIN F)	Rear of right cylinder head.
Glow Plug Control Switch (6.5L VIN F)	Rear of left cylinder head.
P/B Booster Fluid Flow Indicator/Alarm Switch (School Bus)	Brake warning system harness on power steering gear outlet hose fitting.
P/B Booster Pump Pressure Switch (School Bus)	Brake warning system harness on brake booster inlet hose fitting near brake master cylinder.
Park Brake Indicator Switch	On parking brake pedal support.
Park Brake Pressure Indicator Switch	On right frame rail, behind transmission.
Park Brake Pump Motor Switch	On right frame rail, behind transmission.
Park/Neutral Position (PNP) & Back-Up Lamps Switch	On left side, near middle of transmission.
Stop Lamp, A/T, Shift Lock & Cruise Control Switch	At the rear of the brake pedal support.
Stop Lamps & Torque Converter Brake Switch	At the rear of the brake pedal support.

GMC Forward Control P3500 1996 - MISCELLANEOUS

GMC Forward Control P3500 1996 MISCELLANEOUS

Component	Component Location
Accessory Junction Block	On rear of left side of firewall.
Battery Junction Block	Left side of firewall.
Central Multi-Port Fuel Injection (SCPI) (7.4L VIN J)	Under the intake plenum.
Data Link Connector (DLC) (4.3L VIN W)	Below dash, near steering column. See Fig. 3.
Data Link Connector (DLC) (5.7L VIN R)	Below dash, near steering column. See Fig. 1.
Data Link Connector (DLC) (6.5L VIN F)	Below dash, near steering column. See Fig. 4.
Data Link Connector (DLC) (7.4L VIN J)	Below dash, near steering column. See Fig. 2.
Fuel Heater (6.5L VIN F)	At fuel filter assembly.
Fuel Pump Test Connector (4.3L VIN W)	Taped to fuel pump relay breakout. See Fig. 3.
Fuel Pump Test Connector (5.7L VIN R)	Taped to fuel pump relay breakout. See Fig. 1.
Fuel Pump Test Connector (7.4L VIN J)	Taped to fuel pump relay breakout. See Fig. 2.
Fuel Pump Test Connector (6.5L VIN F)	Left side of engine compartment. See Fig. 4.
Fuel Solenoid Driver (6.5L VIN F)	On top left of engine. See Fig. 4.
Fuel/Water Separator (Filter) (6.5L VIN F)	Rear of intake manifold.
Glow Plugs (6.5L VIN F)	On cylinder heads, below valve covers.
Ignition Coil (4.3L VIN W)	Top right rear of engine. See Fig. 3.
Ignition Coil (5.7L VIN R)	Top right rear of engine. See Fig. 1.
Ignition Coil (7.4L VIN J)	On bracket at rear of intake plenum. See Fig. 2.
P/B Booster Fluid Flow & Pressure Alarm (School Bus)	Brake warning system harness, taped to dash harness at breakout to dash fuse block & headlamps switch.
Remote Battery Access Terminal Block	Rear of right radiator core support panel.
Seat Belt & Headlamps Alarm	At bottom of dash fuse block.
Tachometer (provision for)	Engine harness, taped to ignition coil breakout.
Throttle Body Fuel Injector	On top of intake manifold.
Vehicle Speed Sensor (VSS) Buffer	On driver's island support, above accelerator pedal.

GMC Forward Control P3500 1996 - CONNECTORS

GMC Forward Control P3500 1996 CONNECTORS

Component	Component Location
C100 (Commercial Van) (Black, 7 Pin)	Near windshield wiper motor.
C100 (Motor Home) (Gray, 36 Pin)	Near relay bracket.
C100A (Black, 20 Pin)	Below battery junction box.
C100B (Black, 10 Pin)	Below battery junction box.
C100C (Black, 6 Pin)	Below battery junction box.
C101 (Black, 7 Pin)	Above left rear of intake manifold.
C102 (Commercial Van) (Black, 3 Pin)	Approximately, 15 cm from ignition control module.
C102 (Motor Home)	At right front of engine.
C103 (Commercial Van) (4.3L VIN W) (Black, 3 Pin)	Approximately, 27 cm from main harness in-line to park brake actuator.
C103 (Commercial Van) (5.7L VIN R) (Black, 3 Pin)	Approximately, 27 cm from main harness in-line to park brake actuator.
C103 (Commercial Van) (6.5L VIN F) (Black, 3 Pin)	Approximately, 10 cm from main harness in-line to park brake actuator.
C103 (Commercial Van) (7.4 VIN J) (Black, 3 Pin)	Approximately, 27 cm from main harness in-line to park brake actuator.
C103 (Commercial Van) (7.4 VIN N) (Black, 3 Pin)	Approximately, 10 cm from main harness in-line to park brake actuator.
C104 (Commercial Van) (4.3L VIN W) (Black, 2 Pin)	Approximately, 27 cm from main harness in-line to park brake actuator.
C104 (Commercial Van) (5.7L VIN R) (Black, 2 Pin)	Approximately, 27 cm from main harness in-line to park brake actuator.
C104 (Commercial Van) (6.5L VIN F) (Black, 2 Pin)	Approximately, 10 cm from main harness in-line to park brake actuator.
C104 (Commercial Van) (7.4 VIN J) (Black, 2 Pin)	Approximately, 27 cm from main harness in-line to park brake actuator.
C104 (Commercial Van) (7.4 VIN N) (Black, 2 Pin)	Approximately, 10 cm from main harness in-line to park brake actuator.
C105 (Motor Home) (4.3L VIN W) (Black, 12 Pin)	At center of intake manifold.
C105 (Motor Home) (5.7L VIN R) (Black, 16 Pin)	At center of intake manifold.
C105 (Motor Home) (7.4L VIN J)	At center of intake manifold.
C107 (Black, 10 Pin)	Near distributor.
C108 (Black, 8 Pin)	Near glow plug control in-line.
C109 (Black, 15 Pin)	Approximately, 30 cm from glow plug control breakout, to engine harness.
C112	Near engine oil pressure sender.
C200 (Commercial Van) (Gray, 56 Pin)	On driver's island.
C200 (Motor Home) (Black, 4 Pin)	Above steering column upper support.
C201 (Commercial Van) (Gray, 11 Pin)	On lower steering column.
C201 (Motor Home) (Black, 6 Pin)	Above steering column upper support.
C202 (Commercial Van) (Gray, 36 Pin)	At left side of firewall, left of steering column.
C202 (Motor Home) (Black, 6 Pin)	At base of steering column.
C203 (Commercial Van) (Gray, 36 Pin)	At top of steering column support.
C203 (Motor Home) (Gray, 11 Pin)	At base of steering column.
C204 (Commercial Van)	Near breakout for headlight and dimmer switches.
C204 (Motor Home)	In dash harness, 16 cm from daytime running lights module.
C205 (Commercial Van)	Near instrument cluster breakout.
C205 (Motor Home)	Near dash fuse block.
C206 (Commercial Van)	Near daytime running lights module.
C206 (School Bus)	Located by body builder.
C207 (Black, 7 Pin)	Near battery junction block.
C208	Near dash fuse block.
C300 (Commercial Van) (Black, 15 Pin)	Near rear light harness.
C300 (Motor Home) (Black, 7 Pin)	Near middle of chassis, at outside of left frame rail.
C400 (Black, 7 Pin)	Behind fuel tank, near left frame rail.
C401 (Commercial Van) (Black, 7 Pin)	On left frame rail, near rear light harness.
C401 (Motor Home) (Black, 7 Pin)	Near left frame rail, near rear of fuel tank.
C402 (Gray, 4 Pin)	Center high mount stoplight provision for body builder.

GMC Forward Control P3500 1996 - GROUNDS

GMC Forward Control P3500 1996 GROUNDS

Component	Component Location
G100 (Commercial Van)	Approximately, 18 cm from breakout to left glow plugs.
G100 (Motor Home)	Near left front light breakout.
G101 (Commercial Van)	Approximately, 23 cm from breakout to right headlights.
G101 (Motor Home)	Near right front light breakout.
G102 (Commercial Van)	102 cm from breakout harness for right headlights
G102 (Motor Home) (A/T)	At rear of left cylinder head.
G102 (Motor Home) (M/T)	Near generator bracket.
G103 (Commercial Van) (6.5L VIN F)	Approximately, 18 cm from breakout to left glow plugs.
G103 (Commercial Van) (7.4L VIN J)	Approximately, 10 cm from breakout to generator.
G103 (Commercial Van) (7.4L VIN N)	Approximately, 18 cm from breakout to chassis harness wires.
G103 (Motor Home)	At thermostat housing.
G104 (Commercial Van) (6.5L VIN F)	At rear of left cylinder head.
G104 (Commercial Van) (7.4L VIN J)	Approximately, 13 cm from breakout to ignition coil.
G104 (Motor Home)	At rear of left cylinder head.
G105 (Commercial Van)	At rear of right cylinder head.
G105 (Motor Home)	At rear of left cylinder head.
G106 (Commercial Van)	Braided strap, at left rear of engine.
G106 (Motor Home)	At rear of left cylinder head.
G107 (Commercial Van)	Approximately, 23 cm from breakout for left headlights.
G107 (Motor Home)	At rear of left cylinder head.
G200 (Commercial Van)	Approximately, 20 cm from breakout for C200.
G200 (Motor Home)	Near relay bracket.
G201	On mounting stud of dimmer switch.
G202	On mounting stud of dimmer switch.
G350	At auto apply park brake harness.
G400 (Commercial Van)	Approximately, 17 cm from rear light harness.
G400 (Motor Home)	At left frame rail, in front of fuel tank.
G401	Body builder located.

GMC Forward Control P3500 1996 - SPLICES

GMC Forward Control P3500 1996 SPLICES

Component	Component Location
S100 (Commercial Van)	In forward light harness, 27 cm from breakout to left headlight.
S100 (Motor Home)	In forward light harness, 11 cm from engine firewall.
S101 (Commercial Van)	In forward light harness, 12 cm from breakout to left headlight.
S101 (Motor Home)	In forward light harness, 4 cm from low tone horn.
S102 (Commercial Van)	In forward light harness, 5 cm from breakout to left headlight.
S102 (Motor Home)	In forward light harness, 4 cm from low tone horn.
S103 (Commercial Van)	In forward light harness, 9 cm from breakout to left headlight.
S103 (Motor Home)	In forward light harness, 4 cm after high tone horn.
S104 (Commercial Van)	In forward light harness, 18 cm from breakout to right headlight.
S104 (Motor Home)	In forward light harness, 15 cm from breakout to right lights.
S105 (Commercial Van)	In forward light harness, 9 cm from breakout to right headlight.
S105 (Motor Home)	In forward light harness, 10 cm from breakout to right lights.
S106 (Commercial Van)	In forward light harness, 5 cm from breakout to right headlight.
S107 (Commercial Van)	In engine harness, 16 cm from battery junction block stud "A".
S107 (Motor Home)	In engine harness, at auxiliary engine coolant fan relay fusible link C4.
S108 (Commercial Van)	In engine harness, 16 cm from battery junction block stud "A".
S108 (Motor Home) (4.3L VIN W)	In engine harness, 10 cm from breakout to right side engine harness crossover.
S108 (Motor Home) (5.7L VIN R)	In engine harness, 9 cm from right HO2S breakout.
S108 (Motor Home) (6.5L VIN F)	In engine harness, 26 cm from right main wiring pass-through, at firewall breakout.
S109 (Commercial Van)	In engine harness, 16 cm from battery junction block stud "B".
S109 (Motor Home)	In engine harness, 33 cm from main wiring pass-through, at firewall.
S110 (Commercial Van)	In engine harness, 16 cm from battery junction block stud "B".
S110 (Motor Home)	In engine harness, 4 cm from breakout to main wiring pass-through, at firewall.
S111 (Commercial Van)	In engine harness, 16 cm from battery junction block stud "C".
S111 (Motor Home)	In engine harness, 16 cm from generator jumper breakout.
S112 (Commercial Van)	In engine harness, 16 cm from battery junction block stud "C".
S112 (Motor Home) (4.3L VIN W)	In engine harness, 7 cm from breakout to generator jumper.
S112 (Motor Home) (5.7L VIN R)	In engine harness, 7 cm from breakout to generator jumper.
S112 (Motor Home) (6.5L VIN F)	In engine harness, 16 cm from breakout to generator B+ terminal.
S112 (Motor Home) (7.4L VIN J)	In engine harness, 7 cm from breakout to generator jumper.
S113 (Commercial Van) (6.5L VIN F)	In engine harness, 9 cm from breakout to engine coolant fan motor.
S113 (Commercial Van) (7.4L VIN J)	In engine harness, 4 cm from breakout to manifold absolute pressure sensor.
S113 (Commercial Van) (7.4L VIN N)	In engine harness, 5 cm from breakout to windshield wiper motor.
S113 (Motor Home)	In engine harness, at starter solenoid interconnect fusible link C3.
S114 (Commercial Van) (6.5L VIN F)	In engine harness, 5 cm from breakout of main harness.
S114 (Commercial Van) (7.4L VIN J)	In engine harness, 38 cm from breakout to engine coolant fan motor.
S114 (Commercial Van) (7.4L VIN N)	In engine harness, 4 cm from breakout to left front wheel speed sensor.
S114 (Motor Home)	In engine harness, at starter solenoid interconnect fusible link C4.
S115 (Commercial Van) (6.5L VIN F)	In engine harness, 14 cm from breakout for windshield wiper motor.
S115 (Commercial Van) (7.4L VIN J)	In engine harness, 31 cm from breakout to engine coolant fan motor.
S115 (Commercial Van) (7.4L VIN N)	In engine harness, 14 cm from breakout for windshield wiper motor.
S115 (Motor Home)	In engine harness, 11 cm from breakout to generator B+ terminal.
S116 (Commercial Van) (6.5L VIN F)	In engine harness, 30 cm from breakout to windshield wiper motor.
S116 (Commercial Van) (7.4L VIN J)	In engine harness, 31 cm from breakout to MAP sensor.
S116 (Commercial Van) (7.4L VIN N)	In engine harness, 25 cm from breakout to engine coolant fan motor.
S116 (Motor Home) (4.3L VIN W)	In engine harness, 65 cm from breakout to brake pressure differential switch.
S116 (Motor Home) (5.7L VIN R)	In engine harness, 6 cm from breakout to mass airflow sensor.
S116 (Motor Home) (6.5L VIN F)	In engine harness, 45 cm from breakout to glow plug control switch.
S116 (Motor Home) (7.4L VIN J)	In engine harness, 6 cm from breakout to mass airflow sensor.
S117 (Commercial Van) (6.5L VIN F)	In engine harness, 7 cm from breakout to windshield wiper motor.
S117 (Commercial Van) (7.4L VIN J)	In engine harness, 7 cm from breakout to windshield wiper motor.
S117 (Commercial Van) (7.4L VIN N)	In engine harness, 10 cm from breakout to engine coolant fan motor.
S117 (Motor Home)	In engine harness, 38 cm from breakout to glow plug control switch.
S118 (Commercial Van) (7.4L VIN J)	In engine harness, 19 cm from breakout to left front wheel speed sensor.
S118 (Commercial Van) (7.4L VIN N)	In engine harness, 4 cm from breakout to engine coolant fan motor.
S118 (Motor Home) (4.3L VIN W)	In engine harness, 4 cm from breakout to G102.
S118 (Motor Home) (5.7L VIN R)	In engine harness, 4 cm from breakout to G102.
S118 (Motor Home) (6.5L VIN F)	In engine harness, 15 cm from breakout to generator B+ terminal.
S118 (Motor Home) (7.4L VIN J)	In engine harness, 4 cm from breakout to G102.
S119 (Commercial Van) (6.5L VIN F)	In engine harness, 4 cm from breakout to glow plug controller.
S119 (Commercial Van) (7.4 VIN N)	In engine harness, 11 cm from breakout to engine coolant fan.
S119 (Commercial Van) (7.4 VIN J)	In engine harness, 4 cm from breakout to EGR.
S119 (Motor Home) (4.3L VIN W)	In engine harness, 11 cm from engine coolant temperature sensor.
S119 (Motor Home) (5.7L VIN R)	In engine harness, 4 cm from engine coolant temperature sensor.
S119 (Motor Home) (6.5L VIN F)	In engine harness, 6 cm from glow plug control switch breakout.
S120 (Commercial Van) (6.5L VIN F)	In engine harness, 12 cm from breakout to fuel pump relay.
S120 (Commercial Van) (7.4L VIN J)	In engine harness, 4 cm from breakout to cruise control module.
S120 (Commercial Van) (7.4L VIN N)	In engine harness, 17 cm from breakout to engine coolant fan motor.
S120 (Motor Home)	In engine harness, at glow plug control switch.
S121 (Commercial Van) (6.5L VIN F)	In engine harness, 16 cm from main wiring pass-through, on firewall.
S121 (Commercial Van) (7.4L VIN J)	In engine harness, 24 cm from breakout to injectors.
S121 (Commercial Van) (7.4L VIN N)	In engine harness, 24 cm from breakout engine coolant fan.
S121 (Motor Home)	In engine harness at glow plug control switch.
S122 (Commercial Van) (6.5L VIN F)	In engine harness, 20 cm from A/C compressor clutch connector.
S122 (Commercial Van) (7.4L VIN J)	In engine harness, 15 cm from A/C compressor clutch connector.
S122 (Commercial Van) (7.4L VIN N)	In engine harness, 15 cm from A/C compressor clutch connector.
S122 (Motor Home)	In engine harness at glow plug control switch.
S123 (Commercial Van) (6.5L VIN F)	In engine harness, 25 cm from A/C compressor clutch connector.
S123 (Commercial Van) (7.4L VIN J)	In engine harness, 20 cm from A/C compressor clutch connector.
S123 (Commercial Van) (7.4L VIN N)	In engine harness, 15 cm from A/C compressor clutch connector.
S123 (Motor Home)	In engine harness, at breakout to left glow plugs.
S124 (Commercial Van) (6.5L VIN F)	In engine harness, 16 cm from main wiring pass-through, on firewall.
S124 (Commercial Van) (7.4L VIN J)	In engine harness, 11 cm from breakout to cruise control module.
S124 (Commercial Van) (7.4L VIN N)	In engine harness, 4 cm from breakout to cruise control module.
S124 (Motor Home)	In engine harness, 13 cm from breakout to A/C compressor high pressure cut-off switch.
S125 (Commercial Van) (6.5L VIN F)	In engine harness, 9 cm from breakout to generator.
S125 (Commercial Van) (7.4L VIN J)	In engine harness, 5 cm from breakout to EGR.
S125 (Commercial Van) (7.4L VIN N)	In engine harness, 4 cm from breakout to EGR.
S125 (Motor Home)	In engine harness, 13 cm from breakout to A/C compressor high pressure cut-off switch.
S126 (Commercial Van) (6.5L VIN F)	In engine harness, 2 cm from breakout to windshield wiper motor.
S126 (Commercial Van) (7.4L VIN J)	In engine harness, 6 cm from breakout to cruise control module.
S126 (Commercial Van) (7.4L VIN N)	In engine harness, 6 cm from breakout to cruise control module.
S126 (Motor Home) (A/T)	In engine harness, 20 cm from breakout to brake pressure differential switch.
S126 (Motor Home) (M/T)	In engine harness, 25 cm from breakout to brake pressure differential switch.
S127 (Motor Home) (6.5L VIN F) (A/T)	In engine harness, 20 cm from breakout to brake pressure differential switch.
S127 (Commercial Van) (7.4L VIN J)	In engine harness, 13 cm from breakout to left front wheel speed sensor.
S127 (Commercial Van) (7.4L VIN N)	In engine harness, 24 cm from breakout to cruise control module.
S127 (Motor Home)	In engine harness, 25 cm from breakout to brake pressure differential switch.
S128 (Commercial Van) (6.5L VIN F)	In engine harness, 12 cm from breakout to glow plug control.
S128 (Commercial Van) (7.4L VIN J)	In engine harness, 11 cm from breakout to EGR.
S128 (Commercial Van) (7.4L VIN N)	In engine harness, 30 cm from breakout to cruise control module.
S128 (Motor Home)	In engine harness at battery junction block fusible link C2.
S129 (Commercial Van) (6.5L VIN F)	In engine harness, 12 cm from glow plug controller.
S129 (Commercial Van) (7.4L VIN J)	In engine harness, 16 cm from starter solenoid.
S129 (Commercial Van) (7.4 VIN N)	In engine harness, 6 cm from starter solenoid.
S129 (Motor Home)	In engine harness at battery junction block fusible link C2.
S130 (Commercial Van) (7.4L VIN J)	In engine harness, 16 cm from starter solenoid.
S130 (Commercial Van) (7.4L VIN N)	In engine harness, 6 cm from starter solenoid.
S130 (Motor Home)	In engine harness, at battery junction block fusible link C3.
S131 (Commercial Van)	In engine harness, 13 cm from breakout to EGR.
S131 (Motor Home)	In engine harness, at battery junction box fusible link C3.
S132 (Commercial Van) (6.5L VIN F)	In engine harness, 35 cm from powertrain control module connector C1.
S132 (Commercial Van) (7.4L VIN J)	In engine harness, 10 cm from breakout to cruise control module.
S132 (Motor Home) (4.3L VIN W)	In engine harness, 4 cm from breakout to fuel pump.
S132 (Motor Home) (5.7L VIN R)	In engine harness, 4 cm from breakout to fuel pump.
S132 (Motor Home) (7.4L VIN J)	In engine harness, 4 cm from breakout to fuel pump.
S132 (Motor Home) (7.4L VIN N)	In engine harness, 4 cm from breakout to ignition coil.
S133 (Commercial Van) (6.5L VIN F)	In engine harness, 9 cm from breakout to park brake actuator.
S133 (Commercial Van) (7.4L VIN J)	In engine harness, 10 cm from breakout to ignition coil.
S133 (Motor Home) (4.3L VIN W)	In engine harness, 4 cm from breakout to VCM.
S133 (Motor Home) (5.7L VIN R)	In engine harness, 4 cm from breakout to VCM.
S133	In engine harness, 4 cm from breakout to VCM.
S134	In engine harness, 4 cm from engine firewall connector C100.
S135 (Commercial Van) (6.5L VIN F)	In engine harness, 7 cm from breakout to glow plug controller.
S135 (Commercial Van) (7.4L VIN J)	In engine harness, 7 cm from O2 sensors.
S135 (Motor Home) (4.3L VIN W)	In engine harness, 23 cm from breakout to A/C compressor clutch.
S135 (Motor Home) (5.7L VIN R)	In engine harness, 8 cm from breakout to A/C compressor clutch.
S136 (Commercial Van) (6.5L VIN F)	In engine harness, 16 cm from battery junction block stud "E".
S136 (Commercial Van) (7.4L VIN J)	In engine harness, 16 cm from battery junction block stud "E".
S136 (Motor Home)	In engine harness, 8 cm from breakout to throttle position switch.
S137 (Commercial Van)	In engine harness, 4 cm from breakout to vehicle speed sensor.
S137 (Motor Home) (4.3L VIN W)	In engine harness, 7 cm from breakout to throttle position switch.
S137 (Motor Home) (5.7L VIN R)	In engine harness, 19 cm from breakout to throttle position switch.
S138 (Commercial Van) (7.4L VIN J)	In engine harness, 4 cm from breakout to MAP sensor.
S138 (Motor Home) (4.3L VIN W)	In engine harness, 13 cm from breakout to throttle position switch.
S138 (Motor Home) (5.7L VIN R)	In engine harness, 26 cm from breakout to throttle position switch.
S139 (Commercial Van)	In engine harness, 13 cm from breakout to MAP sensor.
S139 (Motor Home)	In engine harness, 3 cm from right engine breakout to rear of vehicle.
S140 (Commercial Van) (6.5L VIN F)	In engine harness, 26 cm from breakout to powertrain control module.
S140 (Commercial Van) (7.4L VIN J)	In engine harness, 20 cm from breakout to cruise control module.
S140 (Motor Home) (A/T)	In engine harness, 4 cm from breakout to vehicle speed sensor.
S140 (Motor Home) (M/T)	In engine harness, 11 cm from breakout to vehicle speed sensor.
S141 (Commercial Van)	In dash harness, 20 cm from C200.
S141 (Motor Home) (4.3L VIN W)	In engine harness, 23 cm from breakout to mass airflow sensor.
S141 (Motor Home) (5.7L VIN R)	In engine harness, 30 cm from breakout to mass airflow sensor.
S142 (Commercial Van)	In engine harness, 16 cm from battery junction block stud "D".
S142 (Motor Home) (4.3L VIN W)	In engine harness, 23 cm from breakout to mass airflow sensor.
S142 (Motor Home) (5.7L VIN R)	In engine harness, 30 cm from breakout to mass airflow sensor.
S143 (Commercial Van)	In engine harness, 41 cm from wiring pass-through, at firewall.
S143 (Motor Home) (4.3L VIN W)	In engine harness, 6 cm from breakout to C100.
S143 (Motor Home) (5.7L VIN R)	In engine harness, 6 cm from breakout to C100.
S143 (Motor Home) (6.5L VIN F)	In engine harness, 17 cm from main wiring pass-through, on firewall.
S143 (Motor Home) (7.4L VIN J)	In engine harness, 6 cm from breakout to C100.
S144 (Commercial Van) (6.5L VIN F)	In engine harness, 21 cm from breakout to generator.
S144 (Motor Home) (4.3L VIN W)	In engine harness, 11 cm from breakout to C100.
S144 (Motor Home) (5.7L VIN R)	In engine harness, 11 cm from breakout to C100.
S144 (Motor Home) (6.5L VIN F)	In engine harness, 19 cm from breakout to A/C compressor clutch.
S144 (Motor Home) (7.4L VIN J)	In engine harness, 11 cm from breakout to C100.
S145 (Commercial Van)	In engine harness, 7 cm from main harness in breakout to glow plugs.
S145 (Motor Home)	In engine harness, at battery junction block fusible link C1.
S146 (Commercial Van)	In engine harness, 16 cm from single wire connector on glow plug controller.
S146 (Motor Home)	In brake warning system harness, at starter solenoid interconnect fusible link C5.
S147	In engine harness, 16 cm from single wire connector on glow plug controller.
S148	In engine harness, 16 cm from single wire connector on glow plug controller.
S149	In dash harness, 6 cm from breakout for C200.
S150	In dash harness, 16 cm from breakout to headlight switch.
S151	In dash harness, 5 cm from breakout for headlight switch.
S152	In dash harness, 25 cm from headlight switch connector.
S153	In dash harness, 6 cm from breakout to headlight switch.
S154	In dash harness, 12 cm from breakout to headlight switch.
S155	In dash harness, 19 cm from breakout to headlight switch.
S156	In dash harness, 35 cm from fuse panel.
S157	In dash harness, 25 cm from fuse panel.
S158 (Commercial Van) (7.4L VIN J)	In fuel injection harness, 7 cm from breakout to injector No. 3.
S158 (Commercial Van) (7.4L VIN N)	In fuel injection harness, 8 cm from breakout to injector No. 4.
S159	In fuel injection harness, 7 cm from breakout to injector No. 5.
S200 (Commercial Van) (6.5L VIN F)	In dash harness, 8 cm from breakout for steering column.
S200 (Commercial Van) (7.4L VIN J)	In engine harness, 38 cm from breakout to MAP sensor.
S200 (Commercial Van) (7.4L VIN N)	In engine harness, 22 cm from main wiring pass-through, at firewall.
S200 (Motor Home) (4.3L VIN W)	In dash side of engine harness, 19 cm from main wiring pass-through, on firewall.
S200 (Motor Home) (5.7L VIN R)	In dash side of engine harness, 19 cm from main wiring pass-through, on firewall.
S200 (Motor Home) (7.4L VIN J)	In dash side of engine harness, 19 cm from main wiring pass-through, on firewall.
S200 (Motor Home) (6.5L VIN F)	In dash side of engine harness, 10 cm from main wiring pass-through, on firewall.
S201	In powertrain control module harness, 20 cm from main wiring pass-through, at firewall.
S202 (Commercial Van) (6.5L VIN F)	In dash harness, 15 cm from breakout to windshield wiper switch.
S202 (Motor Home) (4.3L VIN W)	In dash side of engine harness, 90 cm from main wiring pass-through, on firewall.
S202 (Motor Home) (5.7L VIN R)	In dash side of engine harness, 90 cm from main wiring pass-through, on firewall.
S202 (Motor Home) (7.4L VIN J)	In dash side of engine harness, 90 cm from main wiring pass-through, on firewall.
S202 (Motor Home) (6.5L VIN F)	In dash side of engine harness, 70 cm from main wiring pass-through, on firewall.
S203 (Commercial Van) (6.5L VIN F)	In dash harness, 14 cm from main wiring pass-through, on firewall.
S203 (Commercial Van) (7.4L VIN J)	In dash harness, 60 cm from breakout for windshield wiper motor.
S203 (Commercial Van) (7.4L VIN N)	In dash harness, 41 cm from main wiring pass-through, at firewall.
S204 (Commercial Van) (6.5L VIN F)	In dash harness, 23 cm from main wiring pass-through, at firewall.
S204 (Commercial Van) (7.4L VIN J)	In dash harness, 23 cm from breakout to main wiring pass-through, on firewall.
S204 (Commercial Van) (7.4L VIN N)	In dash harness, 49 cm from breakout to main wiring pass-through, on firewall.
S204 (Motor Home)	In dash harness, 4 cm from breakout to hazard warning lights flasher.
S205	In dash harness, 17 cm from breakout to fuse block.
S206	In dash harness, 11 cm from breakout to fuse block.
S207	In dash harness, 4 cm from breakout to fuse box.
S208	In dash harness headlight switch breakout, 4 cm before fuse block breakout.
S209	In dash harness, 54 cm before instrument cluster.
S210	In dash harness, 4 cm after dash fuse block breakout.
S211	In dash harness, 8 cm after dash fuse block breakout.
S212	In dash harness, 20 cm from breakout to dash fuse block.
S213	In dash harness, 20 cm from breakout to dash fuse block.
S214	In dash harness, 29 cm from breakout to dash fuse block.
S215	In dash harness, 29 cm from dash fuse block.
S360	In auto apply park brake harness.
S361	In auto apply park brake harness.
S362	In auto apply park brake harness.
S363	In auto apply park brake harness.
S364	In auto apply park brake harness.
S401	In rear light harness, 45 cm from C400.
S404	In rear light harness, 5 cm from right taillights breakout.
S405	In rear lights harness, 5 cm from breakout to left taillights.