Ignition Control Module (ICM) Connector End View

Ignition Control Module (ICM)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12124379 Service: 12167123 14-Way F Metri-Pack 150 Pull To Seat Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
A	WH	423	IC Timing Control
B	TN/BK	424	IC Timing Signal
C	L-BU/BK	647	Medium Resolution Engine Speed Signal
D	PU/WH	430	Low Resolution Engine Speed Signal
E	-	-	Not Used
F	BK	630	Camshaft Position Signal
G	YE	573	CKP Sensor 1 Signal
H	L-BU/WH	1800	CKP Sensor 2 Signal
J	BN/WH	633	CMP Sensor Signal
K	BK/WH	51	Ground
L	RD/BK	453	Low Reference
M	BK/WH	836	Low Reference
N	WH/BK	644	12-Volt Reference
P	PK	239	Ignition 1 Voltage