GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Cell 150: Power and Ground (Chevy/GMC)


Object Number: 379145  Size: FS
Cell 10: RDO IGN and STR WHL RDO IGN Fuses
Cell 10: AUX PWR, RDO BATT and HDLP SW Fuses
Cell 10: ILLUM, PARK LP Fuses
Entertainment Components
Radio/Audio System Circuit Description
Cell 150: BCM (Chevy/GMC)
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
VCM Connector End Views
Powertrain Control Module Connector End Views
Cell 152
Cell 81: G203, G204, Park Switch and PCM/VCM
Entertainment Connector End Views
Cell 14: G203 and G204 (Pickup)
Cell 86 (w/o Trip Computer)
Cell 86: Power and Ground (w/ Trip Computer)
Cell 150: Rear Seat Audio Module (Envoy)
Cell 10: AUX PWR, RDO BATT and HDLP SW Fuses
Cell 10: ILLUM Power (Pickup)
Figure 2:

Cell 150: BCM (Chevy/GMC)


Object Number: 379149  Size: FS
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
Cell 47: IP Module Switch
Cell 114: Driver Information Display Module (Utility w/o Sunroof)
Entertainment Connector End Views
Handling ESD Sensitive Parts Notice
Entertainment Components
Radio/Audio System Circuit Description
Cell 150: Speakers (Extended Cab Pickup w/ 3rd Door) (Chevy/GMC)
Cell 150: Power and Ground (Chevy/GMC)
Figure 3:

Cell 150: Speakers (Extended Cab Pickup w/ 3rd Door) (Chevy/GMC)


Object Number: 379153  Size: FS
Entertainment Components
Radio/Audio System Circuit Description
Cell 150: Speakers (Extended Cab Pickup w/o 3rd Door) (Chevy/GMC)
Cell 150: BCM (Chevy/GMC)
Handling ESD Sensitive Parts Notice
Entertainment Connector End Views
Figure 4:

Cell 150: Speakers (Extended Cab Pickup w/o 3rd Door) (Chevy/GMC)


Object Number: 379154  Size: FS
Entertainment Components
Radio/Audio System Circuit Description
Entertainment Connector End Views
Handling ESD Sensitive Parts Notice
Cell 150: Speakers (Utility Except Envoy) (Chevy/GMC)
Cell 150: Speakers (Extended Cab Pickup w/ 3rd Door) (Chevy/GMC)
Figure 5:

Cell 150: Speakers (Utility Except Envoy) (Chevy/GMC)


Object Number: 379155  Size: FS
Entertainment Components
Radio/Audio System Circuit Description
Entertainment Connector End Views
Handling ESD Sensitive Parts Notice
Cell 150: Remote Audio Player (Chevy/GMC)
Cell 150: Speakers (Extended Cab Pickup w/o 3rd Door) (Chevy/GMC)
Figure 6:

Cell 150: Remote Audio Player (Chevy/GMC)


Object Number: 379157  Size: FS
Entertainment Components
Radio/Audio System Circuit Description
Entertainment Connector End Views
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Cell 150: Amplifier Power and Ground (Chevy/GMC)
Cell 150: Speakers (Utility Except Envoy) (Chevy/GMC)
Figure 7:

Cell 150: Amplifier Power and Ground (Chevy/GMC)


Object Number: 379159  Size: FS
Entertainment Components
Radio/Audio System Circuit Description
Cell 10: INT BATT Fuse
Entertainment Connector End Views
Handling ESD Sensitive Parts Notice
Cell 150: Amplifier Inputs (Chevy/GMC)
Cell 150: Remote Audio Player (Chevy/GMC)
Cell 19 (Except Envoy)
Cell 14: G206 (Except Base Pickup)
Figure 8:

Cell 150: Amplifier Inputs (Chevy/GMC)


Object Number: 379162  Size: FS
Entertainment Components
Radio/Audio System Circuit Description
Entertainment Connector End Views
Handling ESD Sensitive Parts Notice
Cell 150: Amplifier - Left Channel Output (Chevy/GMC)
Cell 150: Amplifier Power and Ground (Chevy/GMC)
Handling ESD Sensitive Parts Notice
Entertainment Connector End Views
Figure 9:

Cell 150: Amplifier -- Left Channel Output (Chevy/GMC)


Object Number: 379163  Size: FS
Entertainment Components
Radio/Audio System Circuit Description
Entertainment Connector End Views
Handling ESD Sensitive Parts Notice
Cell 150: Amplifier - Right Channel Output (Chevy/GMC)
Cell 150: Amplifier Inputs (Chevy/GMC)
Figure 10:

Cell 150: Amplifier -- Right Channel Output (Chevy/GMC)


Object Number: 379166  Size: FS
Entertainment Components
Radio/Audio System Circuit Description
Entertainment Connector End Views
Handling ESD Sensitive Parts Notice
Cell 150: Rear Seat Audio Module (Envoy)
Cell 150: Amplifier - Left Channel Output (Chevy/GMC)
Figure 11:

Cell 150: Rear Seat Audio Module (Envoy)


Object Number: 379167  Size: FS
Entertainment Components
Radio/Audio System Circuit Description
Cell 150: Power and Ground (Chevy/GMC)
Cell 10: ILLUM, PARK LP Fuses
Entertainment Connector End Views
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Cell 14: G206 (Except Base Pickup)
Cell 19 (Envoy Only)
Entertainment Connector End Views
Handling ESD Sensitive Parts Notice
Cell 150: Radio Power, Ground and Speakers (Bravada w/o Amplifier)
Cell 150: Amplifier - Right Channel Output (Chevy/GMC)
Figure 12:

Cell 150: Radio Power, Ground and Speakers (Bravada w/o Amplifier)


Object Number: 379168  Size: FS
Entertainment Components
Radio/Audio System Circuit Description
Cell 10: RDO IGN and STR WHL RDO IGN Fuses
Cell 10: AUX PWR, RDO BATT and HDLP SW Fuses
Cell 10: ILLUM, PARK LP Fuses
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
Cell 86: Outside Ambient Temperature Display Sensor (w/ Trip Computer)
Cell 152
Cell 10: ILLUM Power (Utility)
Cell 10: AUX PWR, RDO BATT and HDLP SW Fuses
Cell 86: Power and Ground (w/ Trip Computer)
Cell 150: Radio Power and Ground (Bravada w/ Amplifier)
Cell 150: Rear Seat Audio Module (Envoy)
Handling ESD Sensitive Parts Notice
Cell 14: G203 and G204 (Utility w/ Auto A/C)
Figure 13:

Cell 150: Radio Power and Ground (Bravada w/ Amplifier)


Object Number: 379169  Size: FS
Entertainment Components
Radio/Audio System Circuit Description
Cell 10: RDO IGN and STR WHL RDO IGN Fuses
Cell 86: Power and Ground (w/ Trip Computer)
Cell 10: AUX PWR, RDO BATT and HDLP SW Fuses
Cell 10: ILLUM Power (Utility)
Cell 10: AUX PWR, RDO BATT and HDLP SW Fuses
Cell 10: ILLUM, PARK LP Fuses
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
Cell 150: Remote Audio Player (Bravada)
Cell 150: Radio Power, Ground and Speakers (Bravada w/o Amplifier)
Cell 152
Cell 14: G203 and G204 (Utility w/ Auto A/C)
Figure 14:

Cell 150: Remote Audio Player (Bravada)


Object Number: 379170  Size: FS
Entertainment Components
Radio/Audio System Circuit Description
Cell 10: AUX PWR, RDO BATT and HDLP SW Fuses
Cell 10: AUX PWR, RDO BATT and HDLP SW Fuses
Handling ESD Sensitive Parts Notice
Cell 150: Amplifier Power, Ground and Inputs (Bravada)
Cell 150: Radio Power and Ground (Bravada w/ Amplifier)
Handling ESD Sensitive Parts Notice
Cell 14: G203 and G204 (Utility w/ Auto A/C)
Figure 15:

Cell 150: Amplifier Power, Ground and Inputs (Bravada)


Object Number: 379171  Size: FS
Entertainment Components
Radio/Audio System Circuit Description
Cell 10: INT BATT Fuse
Entertainment Connector End Views
Cell 19 (Except Envoy)
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Cell 150: Amplifier - Left Channel Output (Bravada)
Cell 150: Remote Audio Player (Bravada)
Figure 16:

Cell 150: Amplifier -- Left Channel Output (Bravada)


Object Number: 379172  Size: FS
Entertainment Components
Radio/Audio System Circuit Description
Entertainment Connector End Views
Handling ESD Sensitive Parts Notice
Cell 150: Amplifier - Right Channel Output (Bravada)
Cell 150: Amplifier Power, Ground and Inputs (Bravada)
Figure 17:

Cell 150: Amplifier -- Right Channel Output (Bravada)


Object Number: 379173  Size: FS
Entertainment Components
Radio/Audio System Circuit Description
Entertainment Connector End Views
Handling ESD Sensitive Parts Notice
Cell 150: Amplifier - Left Channel Output (Bravada)