C109 (5.3L) Engine Harness to Ignition Coil Harness

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

C109 (5.3L) Engine Harness to Ignition Coil Harness Connector End View

Courtesy of GENERAL MOTORS CORP.				Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12047938 8-Way F MP 150 Sealed (L-GY)		Connector Part Information		12047933 8-Way M MP 150 Sealed (L-GY)
Pin	Wire Color	Circuit No.	Function	Pin	Wire Color	Circuit No.	Function
A	BK	550	Ground	A	BK	151	Ground
B	RD	2127	IC 7 Control	B	RD	2127	IC 7 Control
C	D-GN	2125	IC 5 Control	C	D-GN	2125	IC 5 Control
D	-	-	Not Used	D	-	-	Not Used
E	BN	2129	Low Reference	E	BN	2129	Low Reference
F	L-BU	2123	IC 3 Control	F	L-BU	2123	IC 3 Control
G	PU	2121	IC 1 Control	G	PU	2121	IC 1 Control
H	PK	1239	Ignition 1 Voltage	H	PK	39	Ignition 1 Voltage