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AIR CONDITIONING – Hummer H3 2009 – SYSTEM WIRING DIAGRAMS

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AIR CONDITIONING

Compressor Wiring Diagram for Hummer H3 2009

Compressor Wiring Diagram for Hummer H3 2009 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file

List of elements for Compressor Wiring Diagram for Hummer H3 2009:

  • (in hvac harness, approximately 13.5 cm (5.3 in) before breakout to evaporator temperature sensor) j250
  • 5v ref
  • A/c clutch diode 90
  • A/c clutch relay
  • A/c compressor clutch (part of a/c compressor)
  • A/c on ind
  • A/c on switch
  • A/c refrigerant pressure sensor (on high pressure hose connection to compressor)
  • A/c req sig
  • A41
  • A42
  • A43
  • Ac clutch fuse 48 10a
  • Body control module (bcm) (behind right front kick panel)
  • Computer data lines system
  • Engine control module (ecm) (right rear corner of engine compt)
  • Evap temp sig
  • Evaporator temperature sensor (behind right lower dash)
  • G103 (on lower left side of engine block, forward of g102)
  • Hot at all times
  • Hot w/ run/ crank relay 78 energized
  • Hvac control module (beneath radio)
  • Logic
  • Low ref
  • Manual a/c circuit
  • Press sens sig
  • Rly ctrl
  • Serial data
  • Underhood fuse block (above left front wheelwell)

Manual A/C Wiring Diagram (1 of 3) for Hummer H3 2009

Manual AC Wiring Diagram (1 of 3) for Hummer H3 2009 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for Manual A/C Wiring Diagram (1 of 3) for Hummer H3 2009:

  • (behind right front kick panel) body control module (bcm)
  • 5v ref
  • A/c on ind
  • A/c on switch
  • A/c recir req sig
  • A/c req sig
  • A26
  • A41
  • A42
  • A43
  • Air temp a
  • Blower motor (below right side of dash)
  • Blower motor resistor assembly (attached to bottom of blower)
  • Blower motor switch
  • Computer data lines system
  • Defog ind ctrl
  • Defog sw sig
  • Defogger system
  • Dimmer sw sig
  • Evap temp sig
  • G106 (on right inner front wheelwell)
  • G300 (under driver seat carpet, on floor board)
  • Gnd
  • High
  • High speed blower motor relay (attached to blower motor case)
  • Hot at all times
  • Hvac blwr fuse 82 30a
  • Hvac cntrl hd fuse 59 10a
  • Hvac control module (beneath radio)
  • Hvac relay
  • Ign 3 volt
  • Ign rly ctrl
  • Interior lights system
  • J205
  • J206
  • J214
  • J220
  • J251
  • L air temp b
  • L air temp sig
  • Logic
  • Low
  • Low ref
  • Mode door b
  • Mode door sig
  • Mode switch
  • Off
  • Pnk
  • R air temp b
  • R air temp sig
  • Rdo fuse 13 10a
  • Recir- culation ind
  • Recir- culation switch
  • Recirc a
  • Recirc b
  • Serial data
  • Tan
  • Temperature switch
  • Underhood fuse block (above left front wheelwell)

Manual A/C Wiring Diagram (2 of 3) for Hummer H3 2009

Manual AC Wiring Diagram (2 of 3) for Hummer H3 2009 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for Manual A/C Wiring Diagram (2 of 3) for Hummer H3 2009:

  • (in hvac harness, approximately 10 cm (3.9 in) back from right air temperature actuator connector)
  • (in hvac harness, approximately 28.5 cm (11.2 in) back from right air temperature actuator connector) j240
  • 13.5 cm (5.3 in) before breakout to evaporator temperature sensor) j250
  • A/c clutch diode 90
  • A/c clutch relay 76
  • A/c compressor clutch (part of a/c compressor)
  • Ac clutch fuse 48 10a
  • Cool fans fuse 62 40a
  • Evaporator temperature sensor (behind right lower dash)
  • G103 (on lower left side of engine block, forward of g102)
  • Hot at all times
  • Hot w/ run/ crank relay 78 energized
  • J230
  • J232
  • Left air temperature actuator (mounted to left side of hvac module assembly)
  • Logic
  • Mode actuator (on side of heater box)
  • Recirculation actuator (upper right corner of heater case)
  • Right air temperature actuator (mounted to right side of hvac module assembly)
  • Tan
  • Underhood fuse block (above left front wheelwell)
  • W/ heavy duty

Manual A/C Wiring Diagram (3 of 3) for Hummer H3 2009

Manual AC Wiring Diagram (3 of 3) for Hummer H3 2009 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for Manual A/C Wiring Diagram (3 of 3) for Hummer H3 2009:

  • 3.7l
  • 5.3l
  • 5v ref
  • 87a
  • A/c refrigerant pressure sensor (on high pressure hose connection to compressor)
  • Computer data lines system
  • Ect sens sig
  • Engine control module (ecm) (right rear corner of engine compt)
  • Engine coolant temperature (ect) sensor (front left of engine)
  • Engine coolant temperature (ect) sensor (left side of engine)
  • Fan lo ctrl
  • Fan rly ctrl
  • Fuse 1 20a
  • Fuse 2 20a
  • G107
  • J118
  • J119
  • J123
  • J124
  • J125
  • J126
  • Left engine cooling fan
  • Low ref
  • Nca
  • Press sens sig
  • Relay 1
  • Relay 2
  • Relay 3
  • Right engine cooling fan
  • Rly ctrl
  • Secondary underhood fuse block (w/ heavy duty)
  • Serial data
  • Tan