Ignition Control Module (ICM) Bank 1 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12186712 6-Way F Junior Power Timer Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
1	BK	250	Ground
2	PK	1539	Ignition 1 Voltage
3	YE	1157	Ignition Coil 5 Control
4	PK	1155	Ignition Coil 3 Control
5	L-BU	1153	Ignition Coil 1 Control
6	-	-	Not Used