GM/Holden LS 3rd Gen (LS1) Engine Connector Guide

Sensors and Actuators

Crankshaft Sensor
Number Required: 1
Part Number: 12059595 (MP150-3S-3)

Camshaft Sensors
Number Required: 1
Part Number: 12059595 (MP150-3S-3)

Ignition Coils
Number Required: 8
Part Number: 12162144 (MP150-4S-1)

Injectors
Number Required: 8
Part Number: (JPT-2S-C)

Intake Air Temperature Sensor
Number Required: 1
Part Number: 15449027 (GT150.35-2S-4)

Throttle Position Sensor (Cable Throttle Models)
Number Required: 1
Part Number: 15397149 (GT150.35-3S-6)

DBW (Drive By Wire Models)
Number Required: 1
Part Number: 15326836 (GT150.45-8S)
Note: Coming Soon to PT Motorsport

Starter Motor
Number Required: 1
Part Number: 19368859 (MP280-1S)

Alternator Connector
Number Required: 1
Part Number: 7223-6224-40 (58X-2S-2)

Coolant Temperature Sensor
Number Required: 1
Part Number: 15449028 (GT150.35-2S-3)

Knock Sensors
Number Required: 2 (Front and Rear)
Part Number: 13510096 (WP-1P-2)
Note: Coming Soon to PT Motorsport

MAP Sensor
Number Required: 1
Part Number: 12129946 (MP150-3S-2)

MAF Sensor
Number Required: 1
Note: LS1 MAFs came in 3 or 5 pin configurations
Part Number:
3 Pin: 12059595 (MP150-3S-3)
5 Pin: 15306113 (GT150.35-5S-2) (Coming Soon to PT Motorsport)

Idle Control Valve (Cable Throttle Models)
Number Required: 1
Part Number: 15354716 (GT150.35-4S-3)
Note: Coming Soon to PT Motorsport

Oil Pressure Sensor
Number Required: 1
Part Number: 15397149 (GT150.35-3S-6)

O2 Sensor
Number Required: 1
Part Number: 12162144 (MP150-4S-1)

Harness and Sub-Harness

Ignition Coil Sub-Harness Connectors

Main Engine Harness Side
Part Number: 12047938 (MP150-7S-1)

Ignition Coil Sub-Harness Side
Part Number: 12047933 (MP150-7P-1)

Knock Sensor Sub-Harness Connectors

Main Engine Harness Side
Part Number: 12052641 (MP150-2S)

Knock Sensor Sub-Harness Side
Part Number: 12162000 (MP150-2P)