Engine Controls Components L57 EFI
Name | Location | Locator View | Connector End View |
|---|---|---|---|
A/C Compressor Clutch | At the front LH side of the engine | HVAC Component Views in HVAC Systems with A/C-Manual | HVAC Connector End Views in HVAC Systems with A/C-Manual |
A/C Compressor High Pressure Cut-Off Switch | At the rear of the A/C compressor | HVAC Component Views in HVAC Systems with A/C-Manual | HVAC Connector End Views in HVAC Systems with A/C-Manual |
A/C Compressor Refrigerant Pressure Switch | Located by the body builder | -- | HVAC Connector End Views in HVAC Systems with A/C-Manual |
A/C Compressor Relay | In the engine compartment on the bulkhead under the battery junction block | HVAC Component Views in HVAC Systems with A/C-Manual | HVAC Connector End Views in HVAC Systems with A/C-Manual |
Accelerator Pedal Position (APP) Module | Attached to the accelerator pedal | ||
Battery Junction Block | On the forward LH side of the bulkhead above P100 | Power and Grounding Component Views in Wiring Systems | -- |
Clutch Pedal Position Switch | Above the clutch pedal at the RH side of the steering column | ||
Crankshaft Position Sensor | At the lower RH front of the engine behind the crankshaft balancer pulley | ||
Data Link Connector (DLC) | LH side of the passenger compartment lower bulkhead on the side of the relay bracket | Data Link Communications Component Views in Data Link Communications | Data Link Communications Connector End Views in Data Link Communications |
Electronic Brake Control Module (EBCM) | Below the radiator on the lower crossmember | Antilock Brake System Component Views in Antilock Brake System | Antilock Brake System Connector End Views in Antilock Brake System |
Engine Coolant Temperature (ECT) Sensor | At the upper RH front of the engine on the RH side of the coolant outlet tube | ||
Engine Shut Off Solenoid | At the fuel injection pump, near the top front portion of the intake manifold | ||
Fuel Heater | At the rear of intake manifold, part of fuel/water separator (filter) | ||
Fuel Lift Pump | At the RH frame rail below the secondary battery, along side the transmission | ||
Fuel Pump Prime Connector | At the fuel pump relay breakout under the battery junction block | -- | |
Fuel Pump Relay | In the engine compartment on the bulkhead, under the battery junction block | ||
Fuel Solenoid | At the fuel injection pump, near the top front portion of the intake manifold | -- | |
Fuel Solenoid Driver | At the fuel injection pump, near the top front portion of the intake manifold | ||
Glowplug Controller | At the rear of the LH cylinder head | ||
Glowplugs | At both cylinder heads below the valve covers | -- | |
Injection Timing Stepper Motor | At the fuel injection pump, near the top front portion of the intake manifold | ||
Instrument Cluster | Body builder installed | -- | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console |
Intake Air Temperature Sensor | At the front RH side, in the engine air induction system elbow behind the remote air cleaner | ||
IP Fuse Block | Located by the body builder | Electrical Center Identification Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
Manifold Absolute Pressure Sensor | Near the center of the intake manifold, behind the air intake | ||
Optical Fuel Temperature Sensor | At the fuel injection pump, near the top front portion of the intake manifold | ||
Powertrain Control Module | At the LH side of the drivers island on the relay bracket | ||
Torque Converter Clutch (TCC) and Stoplamps Switch | Above the brake pedal at the RH side of the steering column | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Transmission Input Speed Sensor | On the LH side of the transmission near the middle | ||
Transmission Output Speed Sensor | On the LH side of the transmission near the middle | ||
Vehicle Speed Sensor (Manual Trans) | At the LH side of the transmission near the middle | ||
Vehicle Speed Sensor Calibrator | At the LH side of the driver's island under the relay bracket | ||
Water In Fuel Indicator Sensor | Part of the fuel/water separator (filter) at the rear of the intake manifold | ||
C101 | Engine harness to the diesel harness, at the LH rear of the engine above the intake manifold | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C200 | Engine harness to the IP harness, in the bulkhead near P100 | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C301 | Engine harness to the transmission, on the LH side of the transmission near the middle | Automatic Transmission Electronic Component Views in Automatic Transmission - 4L80-E | Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L80-E |
C302 | Diesel harness to the glowplug harness | -- | -- |
D101 | In the engine harness, approximately 13 cm (5 in) from the A/C breakout to the A/C compressor high pressure cut-off switch | -- | -- |
G102 (Manual Trans) | At the RH front of the engine near the generator bracket | Power and Grounding Component Views in Wiring Systems | -- |
G102 (Auto Trans) | At the rear of the LH cylinder head | Power and Grounding Component Views in Wiring Systems | -- |
G108 (Manual Trans) | At the RH front of the engine near the generator bracket | Power and Grounding Component Views in Wiring Systems | -- |
G108 (Auto Trans) | At the rear of the LH cylinder head | Power and Grounding Component Views in Wiring Systems | -- |
G200 | LH interior bulkhead near the relay bracket | Power and Grounding Component Views in Wiring Systems | -- |
P100 | LH bulkhead left of the steering column | Harness Routing Views in Wiring Systems | -- |
R100 | In the engine harness, approximately 25 cm (10 in) from PCM connector C3 | -- | -- |
S102 | In the engine harness, approximately 32 cm (13 in) from the breakout for the battery junction block | -- | -- |
S104 | In the engine harness, approximately 25 cm (10 in) from the breakout for the battery junction block | -- | -- |
S108 | In the engine harness, approximately 4 cm (2 in) from the breakout for the battery junction block | -- | -- |
S110 | In the engine harness, approximately 4 cm (2 in) from the breakout for the ABS harness connectors C110 and C111 toward P100 | -- | -- |
S116 | In the engine harness, approximately 55 cm (21 in) from the breakout for C101 toward P100 | -- | -- |
S118 | In the engine harness, approximately 4 cm (2 in) from the starter motor breakout toward the generator harness connector C102 | -- | -- |
S129 (Auto Trans) | In the engine harness, approximately 17 cm (6 in) from the breakout for C101 toward P100 | -- | -- |
S132 | In the engine harness, approximately 11 cm (4 in) from the breakout for C200 toward the A/C compressor connectors | -- | -- |
S143 | In the engine harness, approximately 16 cm (6 in) from the A/C compressor clutch breakout towards C200 | -- | -- |
S144 | In the engine harness, approximately 17 cm (7 in) from the A/C compressor relay toward the breakout for the A/C compressor relay | -- | -- |
S168 (Auto Trans) | In the engine harness, approximately 17 cm (7 in) from P100 | -- | -- |
S171 | In the engine harness, approximately 7 cm (3 in) from the breakout to the A/C compressor refrigerant pressure switch connector toward the starter motor breakout | -- | -- |
S180 | In the diesel engine assembly harness, approximately 14 cm (5 in) from connector C101 toward the fuel heater | -- | -- |
S181 | In the diesel engine assembly harness, approximately 20 cm (8 in) from connector C101 toward the fuel heater | -- | -- |
S182 | In the diesel engine assembly harness, approximately 24 cm (9 in) from connector C101 toward the fuel heater | -- | -- |
S184 | In the diesel engine assembly harness, approximately 7 cm (3 in) from the oil pressure gauge sensor breakout toward the CKP sensor | -- | -- |
S185 | In the diesel engine assembly harness, approximately 14 cm (6 in) from the oil pressure gauge sensor breakout toward the CKP sensor | -- | -- |
S186 | In the diesel engine assembly harness, approximately 20 cm (8 in) from the oil pressure gauge sensor breakout toward the CKP sensor | -- | -- |
S205 | In the IP harness, approximately 4 cm (2 in) from the fuse block breakout toward C200 | -- | -- |
S207 | In the IP harness, approximately 66 cm (26 in) from the fuse block toward the instrument cluster connector | -- | -- |
S211 | In the IP harness, approximately 15 cm (6 in) from the fuse block breakout toward the turn signal switch connector | -- | -- |
S225 | In the IP side of the engine harness, approximately 16 cm (6 in) from P100 toward the PCM | -- | -- |
S233 | In the IP side of the engine harness, approximately 31 cm (12 in) from P100 toward the ignition switch | -- | -- |
Engine Controls Components L57 MFI
Name | Location | Locator View | Connector End View |
|---|---|---|---|
Barometric Pressure Sensor | On top of the intake manifold, at the rear LH side near the glowplug controller | ||
Battery Junction Block | On the forward LH side of the bulkhead above P100 | Power and Grounding Component Views in Wiring Systems | -- |
Clutch Pedal Position Switch | Above the clutch pedal at the RH side of the steering column | ||
Cold Advance Solenoid, Engine Coolant Temperature Switch | At the rear lower portion of the RH cylinder head, near the exhaust manifold | ||
Crank Fuse | On the upper RH side of the steering column support | Power and Grounding Component Views in Wiring Systems | -- |
Data Link Connector (DLC) | On the lower LH side of the passenger compartment bulkhead on the side of the relay bracket | Data Link Communications Component Views in Data Link Communications | Data Link Communications Connector End Views in Data Link Communications |
Electronic Brake Control Module (EBCM) | Below the radiator on the lower crossmember | Antilock Brake System Component Views in Antilock Brake System | Antilock Brake System Connector End Views in Antilock Brake System |
Engine Speed Sensor | At the rear of the intake manifold, near the fuel/water separator (filter) | ||
Fuel Heater | At the rear of intake manifold, part of fuel/water separator (filter) | ||
Fuel Injection Pump Cold Advance Solenoid | At the fuel injection pump, near the top front portion of the intake manifold | -- | |
Fuel Injection Pump Shut-Off Solenoid | At the fuel injection pump, near the top front portion of the intake manifold | -- | |
Fuel Lift Pump | At the RH frame rail below the secondary battery, along side the transmission | ||
Fuel Pump Prime Connector | At the fuel pump relay breakout under the battery junction block | -- | |
Fuel Pump Relay | In the engine compartment on the bulkhead, under the battery junction block | ||
Glowplug Controller | At the rear of the LH cylinder head | ||
Glowplug Relay | LH interior bulkhead on the relay bracket | ||
Glowplugs | At both cylinder heads below the valve covers | -- | |
Idle Speed Control Actuator Solenoid | At the fuel injection pump, near the top front portion of the intake manifold | -- | |
Ignition Switch | On the lower RH side of the steering column below the support bracket | Power and Grounding Component Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
Instrument Cluster | Body builder installed | -- | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console |
IP Fuse Block | Located by the body builder | Electrical Center Identification Views in Wiring Systems | Power and Grounding Connector End Views in Wiring Systems |
Park/Neutral Position and Backup Lamps Switch | On the LH side of the transmission near the middle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Throttle Position Sensor | At the RH front of the intake manifold | ||
Torque Converter Clutch (TCC) and Stoplamps Switch | Above the brake pedal at the RH side of the steering column | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Transmission Control Module | At the LH side of the drivers island on the relay bracket | ||
Transmission Input Speed Sensor | On the LH side of the transmission near the middle | ||
Transmission Output Speed Sensor | On the LH side of the transmission near the middle | ||
Vehicle Speed Sensor (Manual Trans) | On the LH side of the transmission near the middle | ||
Vehicle Speed Sensor Calibrator | At the LH side of the driver's island under the relay bracket | ||
Water In Fuel Indicator Sensor | Part of the fuel/water separator (filter) at the rear of the intake manifold | ||
C110 | Engine harness to the ABS harness, at the front of the LH frame rail near the steering gearbox | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C200 | Engine harness to the IP harness, in the bulkhead near P100 | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C301 | Engine harness to the transmission, on the LH side of the transmission near the middle | Automatic Transmission Electronic Component Views in Automatic Transmission - 4L80-E | Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L80-E |
C302 | Engine harness to the glowplug harness | -- | -- |
D100 | In the engine harness, approximately 25 cm (10 in) from the breakout for the battery junction block | -- | -- |
G102 (Manual Trans) | At the RH front of the engine near the generator bracket | Power and Grounding Component Views in Wiring Systems | -- |
G102 (Auto Trans) | At the rear of the LH cylinder head | Power and Grounding Component Views in Wiring Systems | -- |
G108 (Manual Trans) | At the RH front of the engine near the generator bracket | Power and Grounding Component Views in Wiring Systems | -- |
G108 (Auto Trans) | At the rear of the LH cylinder head | Power and Grounding Component Views in Wiring Systems | -- |
G200 | LH interior bulkhead near the relay bracket | Power and Grounding Component Views in Wiring Systems | -- |
P100 | LH bulkhead left of the steering column | Harness Routing Views in Wiring Systems | -- |
S108 | In the engine harness, approximately 4 cm (2 in) from the breakout for C200 and the fuel pump and starter relays | -- | -- |
S109 | In the engine harness, approximately 11 cm (5 in) from the breakout for C200 and the fuel pump and starter relays | -- | -- |
S110 | In the engine harness, approximately 4 cm (2 in) from the breakout for C110 and C111 toward P100 | -- | -- |
S111 (Auto Trans) | In the engine harness, approximately 10 cm (4 in) from the starter motor breakout toward C200 | -- | -- |
S115 | In the engine harness, approximately 11 cm (4 in) from the breakout for the generator harness connector C102 toward the fuel heater | -- | -- |
S116 | In the engine harness, approximately 5 cm (2 in) from the breakout for the cold advance solenoid, engine coolant temperature switch toward C300 | -- | -- |
S118 | In the engine harness, approximately 15 cm (6 in) from the glowplug controller breakout towards the generator | -- | -- |
S119 (Auto Trans) | In the engine harness, approximately 6 cm (2 in) from the glowplug controller breakout towards the generator | -- | -- |
S133 | In the engine harness, approximately 17 cm (7 in) from the breakout for C200 toward the A/C compressor connectors | -- | -- |
S143 | In the engine harness, approximately 17 cm (7 in) from P100 | -- | -- |
S168 | In the engine harness, approximately 32 cm (14 in) from the breakout for C200 toward the A/C compressor connectors | -- | -- |
S170 (Auto Trans) | In the engine harness, approximately 22 cm (9 in) from the fuel pump relay connector | -- | -- |
S172 | In the engine harness, approximately 13 cm (5 in) from the breakout for the cold advance solenoid, engine coolant temperature switch toward C300 | -- | -- |
S200 (Auto Trans) | In the IP side of engine harness, approximately 16 cm (6 in) from P100 toward the ignition switch | -- | -- |
S205 | In the IP harness, approximately 4 cm (2 in) from the fuse block breakout toward C200 | -- | -- |
S207 | In the IP harness, approximately 66 cm (26 in) from the fuse block toward the instrument cluster connector | -- | -- |
