Chevrolet S10 Pickup 1994 - ELECTRICAL COMPONENT LOCATOR 1994 ELECTRICAL COMPONENT LOCATOR General Motors Co. - Electrical Component Locations - Trucks

Chevrolet S10 Pickup 1994 - BUZZERS, RELAYS & TIMERS

Chevrolet S10 Pickup 1994 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
ABS Relay	Behind left side of dash.
A/C Relay
VIN 4	On bracket, on right side of firewall. See Fig. 1.
VIN W - A/T	On bracket, on right side of firewall. See Fig. 2 & 4.
VIN W - M/T	On bracket, on right side of firewall. See Fig. 3.
VIN Z - M/T	On bracket, on right side of firewall. See Fig. 5.
VIN Z - A/T California	On bracket, on right side of firewall. See Fig. 6.
Blower Motor Relay	Near blower motor, on firewall.
Buzzer	On convenience center.
Daytime Running Lights (DRL) Relay	On convenience center.
Foglight Relay	Below convenience center.
Fuel Pump Relay
Except Utility Body
VIN 4	On convenience center. See Fig. 1.
VIN W - A/T	On convenience center. See Fig. 2 & 4.
VIN W - M/T	On convenience center. See Fig. 3.
VIN Z - M/T	On convenience center. See Fig. 5.
VIN Z - A/T California	On convenience center. See Fig. 6.
Utility Body
VIN W - A/T	On bracket, on right side of firewall. See Fig. 7.
VIN Z - M/T	On bracket, on right side of firewall. See Fig. 8.
Hazard/Turn Signal Flasher
Analog Cluster	On convenience center.
Digital Cluster	On fuse block.
Horn Relay	On convenience center.
Intake Manifold Tuning Valve (IMTV) Relay (4.3L - VIN W)
A/T	On bracket, on right side of firewall. See Fig. 2.
M/T	On bracket, on right side of firewall. See Fig. 3.
Utility Model	On bracket, on right side of firewall. See Fig. 7.
Power Door Lock Relay	On right side of steering column bracket.
Rear Window Defogger Relay	On right side of brake pedal support bracket.
Rear Window Release Relay	Taped to wiring harness, near fuse block.

Chevrolet S10 Pickup 1994 - CIRCUIT PROTECTION DEVICES

Chevrolet S10 Pickup 1994 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Circuit Breakers
Power Door Locks	In lower left of fuse block.
Power Windows	In upper left of fuse block.
Convenience Center	Left of steering column, at lower edge of dash.
Fuse Block
VIN 4	On left side of dash. See Fig. 1.
VIN W - A/T	On left side of dash. See Fig. 2 & 4.
VIN W - M/T	On left side of dash. See Fig. 3.
VIN Z - M/T	On left side of dash. See Fig. 5.
VIN Z - A/T California	On left side of dash. See Fig. 6.
VIN Z - M/T (Utility Model)	On left side of dash. See Fig. 8.
VIN W - A/T (Utility Model)	On left side of dash. See Fig. 7.
Fusible Links	At battery junction block & battery positive terminal.
Power Distribution Center
"A"	Below left side of dash.
"B"	Below left side of dash, near steering column.

Chevrolet S10 Pickup 1994 - CONTROL UNITS

Chevrolet S10 Pickup 1994 CONTROL UNITS LOCATION

Component	Location
ABS Module
RWAL	On side of master cylinder.
4WAL	On left inner fender panel, near brake master cylinder.
Audio Alarm Module	On convenience center.
Cruise Control Module
S10 Pickup & Sonoma	On left side of firewall.
Bravada, S/T Blazer & S/T Jimmy	Behind left side of instrument panel.
Daytime Running Lights (DRL) Module	Above fuse block.
Diode Module (4.3L - VIN Z)	On wiring harness, above fuse block.
Direct Ignition Control (IC) Module (2.2L)	On right side of engine, behind alternator.
Elec. Shift Transfer Case Module	Under center of dash, on transmission tunnel.
Engine Control Module (ECM)	Behind right side of dash. See Fig. 3.
Keyless Entry Module	Under center console.
Powertrain Control Module (PCM)
VIN 4	Behind right side of dash. See Fig. 1.
VIN W - A/T	Behind right side of dash. See Fig. 2 & 4.
VIN Z - A/T (California)	Behind right side of dash. See Fig. 6.
VIN W - A/T (Utility Model)	Behind right side of dash. See Fig. 7.
VIN Z - M/T (Utility Model)	Behind right side of dash. See Fig. 8.
Vehicle Control Module (VCM) (4.3L VIN Z - M/T)	On right front of engine compartment, near washer reservoir. See Fig. 5.
Windshield Wiper Module	On center of firewall.

Chevrolet S10 Pickup 1994 - SENDING UNITS & SENSORS

Chevrolet S10 Pickup 1994 SENDING UNITS & SENSORS LOCATION

Component	Location
Engine Coolant Temp. (ECT) Sensor
2.2L	In thermostat housing, in front of engine. See Fig. 1.
4.3L
VIN W - A/T	On top front of engine. See Fig. 2 & 4.
VIN W - M/T	On top front of engine. See Fig. 3.
VIN Z - M/T	On top front of engine. See Fig. 5.
VIN Z - A/T California	On top front of engine. See Fig. 6.
VIN W - A/T (Utility Model)	On top front of engine. See Fig. 7.
VIN Z - M/T (Utility Model)	On top front of engine. See Fig. 8.
Intake Air Temp. (IAT) Sensor
VIN 4	On front of engine, in fresh air intake hose. See Fig. 1.
VIN W - A/T	On front of engine, in fresh air intake hose. See Fig. 2.
VIN W - M/T	On front of engine, in fresh air intake hose. See Fig. 3.
VIN W - A/T (Utility Model)	On front of engine, in fresh air intake hose. See Fig. 7.
Knock Sensors
VIN W - A/T	On left and right side of cylinder head. See Fig. 2 & 4.
VIN W - M/T	On left and right side of cylinder head. See Fig. 3.
VIN Z - M/T	On left and right side of cylinder head. See Fig. 5.
VIN Z - A/T California	On left and right side of cylinder head. See Fig. 6.
VIN W - A/T (Utility Model)	On left and right side of cylinder head. See Fig. 7.
VIN Z - M/T (Utility Model)	On left and right side of cylinder head. See Fig. 8.
Manifold Absolute Press. (MAP) Sensor
2.2L	On top right of engine. See Fig. 1.
4.3L
VIN W - A/T	On top front of engine. See Fig. 2 & 4.
VIN W - M/T	On top front of engine. See Fig. 3.
VIN Z - M/T	On top front of engine. See Fig. 5.
VIN Z - A/T California	On top front of engine. See Fig. 6.
VIN W - A/T (Utility Model)	On top front of engine. See Fig. 7.
VIN Z - M/T (Utility Model)	On top front of engine. See Fig. 8.
Throttle Position (TP) Sensor
VIN 4	On throttle body assembly. See Fig. 1.
VIN W - A/T	On throttle body assembly. See Fig. 2 & 4.
VIN W - M/T	On throttle body assembly. See Fig. 3.
VIN Z - M/T	On throttle body assembly. See Fig. 5.
VIN Z - A/T California	On throttle body assembly. See Fig. 6.
VIN W - A/T (Utility Model)	On throttle body assembly. See Fig. 7.
VIN Z - M/T (Utility Model)	On throttle body assembly. See Fig. 8.
Vehicle Speed Sensor (VSS)
VIN 4	On left rear of transmission or transfer case. See Fig. 1.
VIN W - A/T	On left rear of transmission or transfer case. See Fig. 2 & 4.
VIN W - M/T	On left rear of transmission or transfer case. See Fig. 3.
VIN Z - M/T	On left rear of transmission or transfer case. See Fig. 5.
VIN Z - A/T California	On left rear of transmission or transfer case. See Fig. 6.
VIN W - A/T (Utility Model)	On left rear of transmission or transfer case. See Fig. 7.
VIN Z - M/T (Utility Model)	On left rear of transmission or transfer case. See Fig. 8.

Chevrolet S10 Pickup 1994 - MOTORS

Chevrolet S10 Pickup 1994 MOTORS LOCATION

Component	Location
ABS Pump Motor (4-Wheel)	On ABS module assembly.
Blower Motor	In evaporator housing, on right side of engine compartment.
Power Door Lock Motor	In bottom rear of each door.
Power Seat Motors	Under each front seats.
Power Window Motor	In each door.
Temperature Door Motor	In heater plenum.
Washer Pump Motor
Front	In washer fluid reservoir, on left front of engine compartment.
Rear	In washer fluid reservoir, above left wheelwell.
Wiper Motor
Front	On center of firewall.
Rear	On top center of rear liftgate.

Chevrolet S10 Pickup 1994 - SOLENOIDS & SOLENOID VALVES

Chevrolet S10 Pickup 1994 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
ABS Solenoids	Below brake master cylinder.
Canister Purge Solenoid
VIN 4	On top rear of engine. See Fig. 1.
VIN W - A/T	On top rear of engine. See Fig. 2.
VIN W - M/T	On top rear of engine. See Fig. 3.
VIN Z - A/T California	On top rear of engine. See Fig. 6.
EGR Solenoid
VIN 4	On top right of engine. See Fig. 1.
VIN W - A/T	On top right of engine. See Fig. 4.
VIN Z - M/T	On top right of engine. See Fig. 5.
VIN Z - M/T (Utility Model)	On top right of engine. See Fig. 8.
Idle Air Control (IAC) Valve
VIN 4	On throttle body assembly. See Fig. 1.
VIN W - A/T	On throttle body assembly. See Fig. 2 & 4.
VIN W - M/T	On throttle body assembly. See Fig. 3.
VIN Z - M/T	On throttle body assembly. See Fig. 5.
VIN Z - A/T California	On throttle body assembly. See Fig. 6.
VIN W - A/T (Utility Model)	On throttle body assembly. See Fig. 7.
VIN Z - M/T (Utility Model)	On throttle body assembly. See Fig. 8.
Intake Manifold Tuning Valve (IMTV) Control Solenoid
VIN W - A/T	On top of intake manifold. See Fig. 2.
VIN W - M/T	On top of intake manifold. See Fig. 3.
VIN W - A/T (Utility Model)	On top of intake manifold. See Fig. 7.
Rear Window Release Solenoid	In center of tailgate.
Torque Converter Clutch Solenoid (TCC)	On left side of transmission.

Chevrolet S10 Pickup 1994 - SWITCHES

Chevrolet S10 Pickup 1994 SWITCHES LOCATION

Component	Location
A/C Press. Cut-Out Switch (Low & High Pressure)
VIN 4	On rear of A/C compressor. See Fig. 1.
VIN W - A/T	On rear of A/C compressor. See Fig. 2 & 4.
VIN W - M/T	On rear of A/C compressor. See Fig. 3.
VIN Z - M/T	On rear of A/C compressor. See Fig. 5.
VIN Z - A/T California	On rear of A/C compressor. See Fig. 6.
VIN W - A/T (Utility Model)	On rear of A/C compressor. See Fig. 7.
VIN Z - M/T (Utility Model)	On rear of A/C compressor. See Fig. 8.
Back-Up Light Switch
A/T	On top of steering column, built-in with Park/Neutral switch.
M/T	On left side of transmission.
Brake Pressure Warning Switch	On bottom of brake master cylinder.
Brake/Cruise/Stoplight Switch	On brake pedal support bracket.
Clutch/Cruise Switch	On clutch pedal support bracket.
Fuel Pump/Oil Pressure Switch
2.2L	On right side of engine, behind alternator. See Fig. 1.
4.3L
VIN W - A/T	On top rear of engine, near distributor. See Fig. 2 & 4.
VIN W - M/T	On top rear of engine, near distributor. See Fig. 3.
VIN Z - M/T	On top rear of engine, near distributor. See Fig. 5.
VIN Z - A/T California	On top rear of engine, near distributor. See Fig. 6.
VIN W - A/T (Utility Model)	On top rear of engine, near distributor. See Fig. 7.
VIN Z - M/T (Utility Model)	On top rear of engine, near distributor. See Fig. 8.
Outside Air Temp. Door Control Switch	In heater plenum.
Park/Neutral Safety Switch	On top of steering column, below mounting bracket.
Parking Brake Switch	On base of parking brake assembly.
Power Steering Pressure Switch	In power steering pressure hose, near steering gear. See Fig. 1.
Seat Belt Retractor Switch	On driver's side seat belt buckle assembly.

Chevrolet S10 Pickup 1994 - MISCELLANEOUS

Chevrolet S10 Pickup 1994 MISCELLANEOUS LOCATION

Component	Location
Blower Motor Resistor	On evaporator case.
Data Link Connector (DLC)
VIN 4	Under left side of dash, to right of steering column. See Fig. 1.
VIN W - A/T	Under left side of dash, to right of steering column. See Fig. 2 & 4.
VIN W - M/T	Under left side of dash, to right of steering column. See Fig. 3.
VIN Z - M/T	Under left side of dash, to right of steering column. See Fig. 5.
VIN Z - A/T California	Under left side of dash, to right of steering column. See Fig. 6.
VIN W - A/T (Utility Model)	Under left side of dash, to right of steering column. See Fig. 7.
VIN Z - M/T (Utility Model)	Under left side of dash, to right of steering column. See Fig. 8.
EST By-Pass Connector	On passenger side floor near heater box.
Fuel Pump Test Connector
VIN 4	On wiring harness, near center of firewall. See Fig. 1.
VIN W - A/T	On wiring harness, near center of firewall. See Fig. 2 & 4.
VIN W - M/T	On wiring harness, near center of firewall. See Fig. 3.
VIN Z - M/T	On wiring harness, near center of firewall. See Fig. 5.
VIN Z - A/T California	On wiring harness, near center of firewall. See Fig. 6.
VIN W - A/T (Utility Model)	On wiring harness, near center of firewall. See Fig. 7.
VIN Z - M/T (Utility Model)	On wiring harness, near center of firewall. See Fig. 8.
Vehicle Speed Sensor (VSS) Buffer
VIN 4	Under right side of dash. See Fig. 1.
VIN W - A/T	Under right side of dash. See Fig. 2 & 4.
VIN W - M/T	Under right side of dash. See Fig. 3.
VIN Z - A/T California	Under right side of dash. See Fig. 6.
VIN W - A/T (Utility Model)	Under right side of dash. See Fig. 7.
VIN Z - M/T (Utility Model)	Under right side of dash. See Fig. 8.