Fuse Block Connector End View - I/P Bottom View

Fig 1: Fuse Block - I/P Bottom View

Courtesy of GENERAL MOTORS CORP.

Fuse Block Connector End View - I/P C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12193906 68-Way F Metri-Pack 280 Series (BK)
Pin	Wire Color	Circuit No.	Function
A1	-	-	Not Used
A2	GY/BK	255	Power Door Lock Fuse Supply Voltage
A3	-	-	Not Used
A4	TN/BK	254	Power Door Unlock Fuse Supply Voltage
A5-A6	-	-	Not Used
A7	OG	4240	Battery Positive Voltage
A8	YE	1618	Trailer Left Rear Turn/Stop Lamp Supply Voltage
A9	D-GN	1619	Trailer Right Rear Turn/Stop Lamp Supply Voltage
A10	OG	3040	Battery Positive Voltage
A11	D-BU	2115	Right Turn Signal Lamps Supply Voltage
A12	RD	42	Battery Positive Voltage
B1	YE	143	Accessory Voltage
B2	YE	43	Accessory Voltage
B3-B7	-	-	Not Used
B8	WH	17	Stop Lamp Switch Signal
B9-B11	-	-	Not Used
B12	OG	2140	Battery Positive Voltage
C1-C3	-	-	Not Used
C4	BN	41	Ignition 3 Voltage
C5	-	-	Not Used
C8	L-BU	1620	Trailer CHMSL Supply Voltage
D1	YE	243	Accessory Voltage
D2	-	-	Not Used
D3	BN	341	Ignition 3 Voltage
D5	BN	441	Ignition 3 Voltage
D8-D9	-	-	Not Used
D10	BK/WH	1851	Ground
D11-D12	-	-	Not Used
E1	BN	241	Ignition 3 Voltage - Air Suspension Control Switch (w/ZM6)
	BN	241	Ignition 3 Voltage - Air Suspension Control Module (w/ZM6)
E2	BN	241	Ignition 3 Voltage
E3	-	-	Not Used
E4	GY	118	Left Front Door Speaker Output (-)
	GY	118	Left Front Tweeter Speaker Output (-)
E5	BN	1046	DDM Class 2 Serial Data
E6	-	-	Not Used
E7	PK	1691	Automatic Day/Night Mirror Low Reference
E8	WH	530	Off/Run/Crank Voltage
E9	-	-	Not Used
E10	RD	842	Battery Positive Voltage
E11	OG	4040	Battery Positive Voltage
E12	OG	2240	Battery Positive Voltage
F1	YE	343	Accessory Voltage
F2	-	-	Not Used
F3	L-BU	2114	Left Turn Signal Lamps Supply Voltage
F4	GY	1690	Automatic Day/Night Mirror Signal
F5	TN	201	Left Front Door Speaker Output (+)
	TN	201	Left Front Tweeter Speaker Output (+)
F6	BK	1050	Ground
F7	-	-	Not Used
F8	PK	1020	Off/Run/Crank Voltage
F9	L-BU	1320	CHMSL Supply Voltage/Stop Lamp Supply Voltage
F10-F12	-	-	Not Used

Fuse Block Connector End View - I/P C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12193930 6-Way F Metri-Pack 280 Series Flexlock (BK)
Pin	Wire Color	Circuit No.	Function
A	OG	300	Ignition 3 Voltage
B	L-GN	1427	Right Turn Signal Switch Signal
C	D-GN	1428	Left Turn Signal Switch Signal
D	WH	111	Hazard Switch Signal
E	WH	1390	Off/Run/Crank Voltage
F	BN	4	Accessory Voltage

Fuse Block Connector End View - I/P C3

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12194035 12-Way F Metri-Pack 280 Series (BK)
Pin	Wire Color	Circuit No.	Function
A-B	-	-	Not Used
C	OG	1240	Battery Positive Voltage
D	BK	1050	Ground
E	-	-	Not Used
F	OG	4140	Battery Positive Voltage
G	TN	201	Left Front Speaker Output (+)
H	PK	1691	Automatic Day/Night Mirror Low Reference
J	BN	1046	DDM Class 2 Serial Data
K	GY	1690	Automatic Day/Night Mirror Signal
L	GY	118	Left Front Speaker Output (-)
M	-	-	Not Used

Fuse Block Connector End View - I/P C4

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15328768 12-Way F Metri-Pack 280 Series Flexlock (BN)
Pin	Wire Color	Circuit No.	Function
A	-	-	Not Used
B	BN	541	Ignition 3 Voltage - Left Rear Heated Seats (w/KA7)
	BN	541	Ignition 3 Voltage - Right Rear Heated Seats (w/KA7)
C	-	-	Not Used
D	OG	3140	Battery Positive Voltage- - Lift Gate Door Lock Relay
	OG	3140	Battery Positive Voltage - Lift Gate Door Lock Relay
E	TN	294	Left Rear Door Lock Actuator Unlock Control
	TN	294	Right Rear Door Lock Actuator Unlock Control
F	TN	294	Door Lock Actuator Unlock Control
G	-	-	Not Used
H	L-BU	1620	Trailer CHMSL Supply Voltage
J	-	-	Not Used
K	GY	295	Left Rear Door Lock Actuator Lock Control
	GY	295	Right Rear Door Lock Actuator Lock Control
L	-	-	Not Used
M	OG	1240	Battery Positive Voltage