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Air Conditioning — Hummer H3T 2010 Wiring Diagram

AIR CONDITIONING

Compressor Wiring Diagram for Hummer H3T 2010

List of elements for Compressor Wiring Diagram for Hummer H3T 2010:

(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 cltch 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
Hvac control module (beneath radio)
Logic
Low ref
Manual a/c circuit
Press sens sig
Rly ctrl
Run/ crnk relay
Serial data
Underhood fuse block (above left front wheelwell)
X204
X205

Manual A/C Wiring Diagram (1 of 3) for Hummer H3T 2010

List of elements for Manual A/C Wiring Diagram (1 of 3) for Hummer H3T 2010:

(behind right front kick panel) body control module (bcm)
5v ref
A/c on
A/c on ind
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
C11
Computer data lines system
Deffoger ind
Deffoger switch
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 switch
Recirc a
Recirc b
Recirculation ind
Serial data
Sig
Switch
Tan
Temperature switch
Underhood fuse block (above left front wheelwell)
X200
X204
X205

Manual A/C Wiring Diagram (2 of 3) for Hummer H3T 2010

List of elements for Manual A/C Wiring Diagram (2 of 3) for Hummer H3T 2010:

(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 cltch fuse 48 10a
A/c clutch diode 90
A/c clutch relay 76
A/c compressor clutch (part of a/c compressor)
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
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)
Run/ crnk relay
Tan
Underhood fuse block (above left front wheelwell)
W/ heavy duty

Manual A/C Wiring Diagram (3 of 3) for Hummer H3T 2010

List of elements for Manual A/C Wiring Diagram (3 of 3) for Hummer H3T 2010:

3.7l
5.3l
5v ref
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
X125

AIR CONDITIONING – Hummer H3T 2010 – SYSTEM WIRING DIAGRAMS