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Home >> Mercedes Benz >> 2004 >> G500 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC OEM Wiring Diagrams -- G-Class (463) >> Wiring Diagrams >> Wiring diagram of automatic heater (HEAT) - PE83.25-P-2000-99H

Wiring diagram of automatic heater (HEAT) - PE83.25-P-2000-99H

Code: Designation: Position:
A2 Radio 7 B
A2/29 Radio and navigation operating unit 7 B
A6 STH or HB heater unit 7 B
E15/2 Front dome lamp with shut-off delay and front reading lamp 1 B
E9/1 Heater control illumination 6 F
E9/1 Heater control illumination 13 H
F1 Fuse box 17 D
F1 Fuse box 24 D
F1f10 Fuse 10 18 D
F1f19 Fuse 19 24 D
F1f9 Fuse 9 19 D
K23 Blower motor relay 20 D
K9 Additional fan relay (stage 1 and 2) 19 G
M2 Blower motor 11 L
M2/4 Air flap actuator motor (firewall) 3 L
M2/4x1 Air flap actuator motor (firewall) connector 2 H
M2x1 Blower motor connector 11 H
R14 Blower motor series resistor group 9 G
R14r1 Resistance stage 1 10 F
R14r2 Resistance stage 2 10 F
R14r3 Resistance stage 3 11 F
R2/3 Right washer nozzle heater 17 G
S14 Heated rear window switch 6 B
S18/6 Rear interior lamp switch 4 B
S2/1 Ignition/starter switch 18 A
S24/1 Warm/cool air switch (heating systems) 2 G
S3 Blower switch 15 L
S6 Hazard warning flasher switch 6 L
S6 Hazard warning flasher switch 13 L
S76 Differential lock switch group 8 L
S9/1 Stop lamp switch 18 G
U12 Valid for left-hand drive vehicles 3 A
U12 Valid for left-hand drive vehicles 18 H
U12 Valid for left-hand drive vehicles 21 A
U13 Valid for right-hand drive vehicles 2 A
U13 Valid for right-hand drive vehicles 18 H
U13 Valid for right-hand drive vehicles 20 A
U142 Not valid for convertible 1 A
U142 Not valid for convertible 3 A
U190 Valid for APS 8 A
U534 Valid for radio 7 A
W12 Ground (center console) 2 B
W12 Ground (center console) 10 H
W29/1 Ground (left A-pillar) 20 B
W29/2 Ground (right A-pillar) 21 B
W29/7 Ground (steering column) 3 B
X12/3 Circuit 30, 15, 61 terminal block (3-pin) 24 A
X6 Circuit 58 terminal block (2-pin) 8 B
Z3/22 Circuit 15 (fused) connector sleeve (F1f9) 21 J
Z50/1 Connector sleeve 1 18 G
Fig 1: Automatic Heater (HEAT) - Wiring Diagram (1 Of 2)
G07740722Courtesy of MERCEDES-BENZ USA
Fig 2: Automatic Heater (HEAT) - Wiring Diagram (2 Of 2)
G07740723Courtesy of MERCEDES-BENZ USA