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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> Quick Lookups >> Electrical Component Locations >> WIRING SYSTEM - COMPONENT LOCATOR (1 Of 2) >> Component Locator >> Electrical Center Identification Views >> Junction Block - I/P Bottom View
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Junction Block - I/P Bottom View

Fig 1: Fuse Block - Right I/P Bottom View
GM1156070Courtesy of GENERAL MOTORS CORP.
Junction Block - I/P Wire Entry Pin Identification

Connector Part Information
  • 15401495
  • 48-Way M Metri-pack 280 Series (BLK)
Pin Wire Color Circuit No. Function
2A DK GRN 117 Right Front Speaker Output (-)
DK GRN 117 Right Front Speaker Output (-)
2B LT GRN 200 Right Front Speaker Output (+)
LT GRN 200 Right Front Speaker Output (+)
2C-2E - - Not Used
2F BLK 1050 Ground
3A-3F - - Not Used
4A BLK 1050 Ground
4B GRY/BLK 2337 Lower Right Air Temperature Sensor Signal
4C BRN 718 Low Reference
4D RED 542 Battery Positive Voltage
4E PPL 1838 Recirculation Door Position Signal
4F PPL/WHT 760 Blower Motor Speed Control
4G-4H - - Not Used
4J LT BLU/BLK 1688 5-Volt Reference
4K - - Not Used
4L YEL 1791 Low Reference
4M - - Not Used
5A - - Not Used
5B LT GRN 2275 Mode Door Position Signal
5C TAN 2273 Mode Door Control
5D DK BLU 1199 Left Air Temperature Door Control
5E LT BLU 733 Left Air Temperature Door Position Signal
5F - - Not Used
6A - - Not Used
6B BRN 2409 Interior Park Lamps Supply Voltage
6C BLK 1050 Ground
6D-6E - - Not Used
6F GRY 161 Antenna Motor Up
7A - - Not Used
7B TAN 1047 PDM Class 2 Serial Data
7C ORN 4240 Battery Positive Voltage
7D - - Not Used
7E ORN 1340 Battery Positive Voltage
7F - - Not Used
8A WHT/BLK 2339 Lower Left Air Temperature Sensor Signal
8B - - Not Used
8C BRN 341 Ignition 3 Voltage
8D DK BLU 1646 Right Air Temperature Door Position Signal
8E WHT/BLK 1236 Right Air Temperature Door Control
8F DK GRN 1614 Recirculation Door Control
Junction Block - I/P C2 Pin Identification

GM366024Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193930
  • 6-Way F Metri-pack 280 Series Flexlock (BLK)
Pin Wire Color Circuit No. Function
A DK GRN 117 Right Front Speaker Output (-)
B LT GRN 200 Right Front Speaker Output (+)
C-E - - Not Used
F BLK 1050 Ground
Junction Block - I/P C4 Pin Identification

GM655757Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12194037
  • 12-Way F Metri-pack 280 Series Flexlock (BRN)
Pin Wire Color Circuit No. Function
A BLK 1050 Ground
B GRY/BLK 2337 Lower Right Air Temperature Sensor Signal
C BRN 718 Low Reference - Air Temperature Sensor - Lower Left
BRN 718 Low Reference - Air Temperature Sensor - Lower Right
D RED 542 Battery Positive Voltage
E PPL 1838 Recirculation Door Position Signal
F PPL/WHT 760 Blower Motor Speed Control
G - - Not Used
H LT BLU/BLK 1688 5-Volt Reference - Air Temperature Actuator - Left
LT BLU/BLK 1688 5-Volt Reference - Air Temperature Actuator - Right
J LT BLU/BLK 1688 5-Volt Reference - Mode Actuator
LT BLU/BLK 1688 5-Volt Reference - Recirculation Actuator
K - - Not Used
L YEL 1791 Low Reference - Recirculation Actuator
YEL 1791 Low Reference - Mode Actuator
M YEL 1791 Low Reference - Air Temperature Actuator - Left
YEL 1791 Low Reference - Air Temperature Actuator - Right
Junction Block - I/P C5 Pin Identification

GM366012Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193924
  • 6-Way F Metri-pack 280 Series Flexlock (BRN)
Pin Wire Color Circuit No. Function
A - - Not Used
B LT GRN 2275 Mode Door Position Signal
C TAN 2273 Mode Door Control
D DK BLU 1199 Left Air Temperature Door Control
E LT BLU 733 Left Air Temperature Door Position Signal
F - - Not Used
Junction Block - I/P C6 Pin Identification

GM655740Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193929
  • 6-Way F Metri-pack 280 Series Flexlock (LT GRN)
Pin Wire Color Circuit No. Function
A - - Not Used
B BRN 2409 Interior Park Lamps Supply Voltage
C BLK 1050 Ground
D-E - - Not Used
F GRY 161 Audio Preamplifier Supply Voltage
Junction Block - I/P C7 Pin Identification

GM366003Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193922
  • 6-Way F Metri-pack 280 Series Flexlock (CRM)
Pin Wire Color Circuit No. Function
A - - Not Used
B TAN 1047 PDM Class 2 Serial Data
C ORN 4240 Battery Positive Voltage
D - - Not Used
E ORN 1340 Battery Positive Voltage
F - - Not Used
Junction Block - I/P C8 Pin Identification

GM366015Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193928
  • 6-Way F Metri-pack 280 Series Flexlock (GRY)
Pin Wire Color Circuit No. Function
A WHT/BLK 2339 Lower Left Air Temperature Sensor Signal
B BRN 341 Ignition 3 Voltage - Mode Actuator
BRN 341 Ignition 3 Voltage - Recirculation Actuator
C BRN 341 Ignition 3 Voltage - Air Temperature Actuator - Left
BRN 341 Ignition 3 Voltage - Air Temperature Actuator - Right
D DK BLU 1646 Right Air Temperature Door Position Signal
E WHT/BLK 1236 Right Air Temperature Door Control
F DK GRN 1614 Recirculation Door Control
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