Ignition Control Module (ICM) Connector End View (3.8L)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12124379 14-Way F Metri-Pack 150 Series Pull to Seat (GRY)
Pin	Wire Color	Circuit No.	Function
A	WHT	423	IC Timing Control
B	TAN/BLK	424	IC Timing Signal
C	LT BLU/BLK	647	Medium Resolution Engine Speed Signal
D	PPL/WHT	430	Low Resolution Engine Speed Signal
E	WHT	121	Engine Speed Signal
F	BLK	630	Camshaft Position Signal
G	YEL	573	CKP Sensor 1 Signal
H	LT BLU/WHT	1800	CKP Sensor 2 Signal
J	BRN/WHT	633	CMP Sensor Signal
K	BLK/WHT	451	Ground
L	RED/BLK	453	Low Reference
M	BLK/WHT	836	Low Reference
N	WHT/BLK	644	12-Volt Reference
P	PNK	239	Ignition 1 Voltage