Ignition Control Module (ICM) - Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12124379 14-Way F Metri-Pack 150 Series, Sealed, Pull To Seat (GY)
Pin	Wire Color	Circuit Number	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	WH	121	Engine Speed Signal
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	541	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