Connector Identification

NOTE: For connector terminal identification on 4.0L see TESTS W/CODES - 4.0L article in the ENGINE PERFORMANCE section.

CONNECTOR IDENTIFICATION DIRECTORY

Connector	See Fig.
A/C Clutch Relay	Fig 1
Auto Shutdown (ASD) Relay	Fig 2 & Fig 3
Camshaft Position Sensor	Fig 4
Crankshaft Position Sensor	Fig 5
Distributor Connector	**
Exhaust Gas Recirculation (EGR) Solenoid	Fig 6
Engine Coolant Temperature (ECT) Sensor	Fig 7
Evaporative Purge Solenoid	Fig 8
Fuel Pump	Fig 9
Fuel Pump Relay	Fig 10 & Fig 11
Idle Air Control (IAC) Motor	Fig 12
Ignition Coil	**
Ignition Control Module	**
Injector Connector	**
Intake Air Temperature (IAT) Sensor	Fig 13
Manifold Absolute Pressure (MAP) Sensor	Fig 14
02S Connector	Fig 15
Powertrain Control Module (PCM)	Fig 17
Radiator Fan Relay	**
Torque Converter Clutch (TCC) Relay	**
Torque Converter Clutch (TCC) Solenoid	**
Throttle Position (TP) Sensor	**
Torque Converter Clutch/Overdrive Solenoid	**
Transmission Temperature Sensor	Fig 16

A/C CLUTCH RELAY CONNECTOR TERMINAL IDENTIFICATION

Terminal	Wire Color	Function
A	Yellow/Dark Green	Fused Ign. Sw. Output
B	Dark Blue/Orange	A/C Switch Sense
C	Dark Blue/Red	Relay Control
D	Dark Blue/Yellow	Relay Output

Fig 1: A/C Clutch Relay Connector Terminal ID (Grand Cherokee)

Courtesy of CHRYSLER CORP.

ASD RELAY CONNECTOR TERMINAL IDENTIFICATION

Terminal	Wire Color	Function
A	Light Blue/Red	Fused Ign. Sw. Output
B	Red	Fused Battery Voltage
C	Pink	Relay Control
D	Dark Green/Black	Relay Output

Fig 2: ASD Relay Connector Terminal ID - 1 Of 2 (Grand Cherokee)

Courtesy of CHRYSLER CORP.

Fig 3: ASD Relay Connector Terminal ID - 2 Of 2 (Grand Cherokee)

Courtesy of CHRYSLER CORP.

CAMSHAFT POSITION SENSOR CONNECTOR TERMINAL ID

Terminal	Wire Color	Function
1	Gray/Black	Signal
2	Black/Light Blue	Ground
3	White/Black	8-Volt Supply

Fig 4: Camshaft Sensor Connector Terminal ID (Grand Cherokee)

Courtesy of CHRYSLER CORP.

CRANKSHAFT POSITION SENSOR CONNECTOR TERMINAL ID

Terminal	Wire Color	Function
1	Red/Light Green	Signal
2	Black/Light Blue	Ground
3	White/Black	8-Volt Supply

Fig 5: Crankshaft Sensor Connector Terminal ID (Grand Cherokee)

Courtesy of CHRYSLER CORP.

EGR SOLENOID CONNECTOR TERMINAL IDENTIFICATION

Terminal	Wire Color	Function
1	Light Blue	Fused Ign. Sw. Output
2	Gray/Yellow	Control

Fig 6: EGR Solenoid Connector Terminal ID (Grand Cherokee)

Courtesy of CHRYSLER CORP.

ECT SENSOR CONNECTOR TERMINAL IDENTIFICATION

Terminal	Wire Color	Function
1	Tan/Black	Signal
2	Black/Light Blue	Ground

Fig 7: ECT Sensor Connector Terminal ID (Grand Cherokee)

Courtesy of CHRYSLER CORP.

EVAPORATIVE PURGE SOLENOID CONNECTOR TERMINAL ID

Terminal	Wire Color	Function
1	Light Blue	Fused Ignition Switch Output
2	Pink/Black	Solenoid Control

Fig 8: Evaporative Purge Solenoid Conn. Terminal ID (Grand Cherokee)

Courtesy of CHRYSLER CORP.

FUEL PUMP CONNECTOR TERMINAL IDENTIFICATION

Terminal	Wire Color	Function
1	Not Used	Not Used
2	Black/Orange	Ground
3	Pink/Black	Fuel Level Sensor Signal (Cluster)
4	Orange/Black	Fuel Pump Relay Output
5	Black	Ground
6	Violet/White	Fuel Level Sensor Signal

Fig 9: Identifying Fuel Pump Connector Terminals (Grand Cherokee)

Courtesy of CHRYSLER CORP.

FUEL PUMP RELAY CONNECTOR TERMINAL ID

Terminal	Wire Color	Function
A	Light Blue/Red	Fused Ign. Sw. Output
B	Red	Fused Battery Voltage
C	Pink	ASD Relay Control
D	Orange/Dark Blue	Fuel Pump Relay Output

Fig 10: Fuel Pump Relay Connector Terminal ID - 1 Of 2 (Grand Cherokee)

Courtesy of CHRYSLER CORP.

Fig 11: Fuel Pump Relay Connector Terminal ID - 2 Of 2 (Grand Cherokee)

Courtesy of CHRYSLER CORP.

IAC MOTOR CONNECTOR TERMINAL ID

Terminal	Wire Color	Function
1	Yellow/Black	IAC Driver No. 3
2	Violet/Black	IAC Driver No. 2
3	Brown/White	IAC Driver No. 1
4	Gray/Red	IAC Driver No. 4

Fig 12: IAC Motor Connector Terminal (Grand Cherokee)

Courtesy of CHRYSLER CORP.

IAT SENSOR CONNECTOR TERMINAL ID

Terminal	Wire Color	Function
1	Black/Red	Signal
2	Black/Light Blue	Ground

Fig 13: IAT Sensor Connector Terminal ID (Grand Cherokee)

Courtesy of CHRYSLER CORP.

MAP SENSOR CONNECTOR TERMINAL ID

Terminal	Wire Color	Function
1	Black/Light Blue	Ground
2	Red/White	Signal
3	Violet/White	5-Volt Supply

Fig 14: MAP Sensor Connector Terminal ID (Grand Cherokee)

Courtesy of CHRYSLER CORP.

O2S CONNECTOR TERMINAL ID

Terminal	Wire Color	Function
1	Black/Light Blue	Sensor Ground
2	Black/Orange	O2S Signal
3	Black	Heater Ground
4	Orange/Dark Blue	Fuel Pump Relay Output

Fig 15: Identifying O2S Connector Terminals (Grand Cherokee)

Courtesy of CHRYSLER CORP.

TRANSMISSION TEMPERATURE SENSOR CONNECTOR TERMINAL ID

Terminal	Wire Color	Function
1	Violet	Sensor Signal
2	Black/Light Blue	Ground

Fig 16: Transmission Temperature Sensor Connector Terminal ID

Courtesy of CHRYSLER CORP.

Fig 17: Powertrain Control Module (PCM) Connector Terminal ID

Courtesy of CHRYSLER CORP.