GM (2003-2009) Envoy, Trailblazer, Bravada, Isuzu Rainier luxury class 2 BOSE amplifier pinout diagram @ pinoutguide.com

at the wiring harness (connector end view)

p/n 15112641

Connector Part Information		• 12110088 • 24-Way F Micro-Pack 100 Series (GY)
Pin	Wire Color	Function
A1	BARE	Drain Wire
A2	BN	Left Rear Speaker Output (+)
A3	YE	Left Rear Speaker Output (-)
A4	D-BU	Left Front Midrange Speaker Output (+)
A5	L-BU	Left Front Midrange Speaker Output (-)
A8	D-GN	Right Front Midrange Speaker Output (-)
A9	OG	Right Front Midrange Speaker Output (+)
A10	L-BU	Right Rear Speaker Output (-)
A11	D-BU	Right Rear Speaker Output (+)
B1	BARE	Drain Wire
B2	BARE	Drain Wire
B8	OG/BK	Right Front Low Level Audio Signal (-)
B9	D-GN	Left Front Low Level Audio Signal (-)
B10	TN	Left Front Low Level Audio Signal (+)
B11	L-GN	Not Used

Connector Part Information		• 8-Way F Metri-Pack 280 Series Flexlock (L-GY)
Pin	Wire Color	Function
A	BK	Ground
C	D-GN	Right Front Speaker Output (-)
D	TN	Left Front Speaker Output (+)
E	GY	Left Front Speaker Output (-)
F	L-GN	Right Front Speaker Output (+)
H	OG	Battery Positive Voltage

Connector Part Information		• 12064993 • 6-Way F Micro-Pack 100 Series (BK)
Pin	Wire Color	Function
5	D-BU	Amplifier Class 2 Serial Data
7	L-GN/BK	Drain Wire
8	D-GN	Noise Compensation Microphone Supply Voltage

Omitted pins are Not Connected.

at the wiring harness (connector end view)

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Additional connector №3

6 pins connector at the wiring harness (connector end view)

GM (2003-2009) Envoy, Trailblazer, Bravada, Isuzu Rainier luxury class 2 BOSE amplifier visual pinout:

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OEM radio stereo harness pin assignment