The Suzuki Grand Vitara heater, an in and out air selectable-type hot water heater, is so constructed that it is possible to assure an agreeable ventilation at all times by providing the ventilator air outlets at the center and both sides (right and left) of the instrument panel, the hot air outlet at a place close to the feet of front passengers, and the defroster air outlets at places, right and left, along the windshield glass.

The heater and ventilation consist of following parts:

1. Side ventilator outlet
2. Side defroster outlet
3. Center ventilator outlet
4. Heater unit
5. Defroster duct
6. Ventilator duct
7. Heater control lever assembly
8. Heater mode control switch
9. Blower unit
10. Rear duct

The following schematic illustrates the Suzuki Grand Vitara Heater Circuit and Wiring Diagram.

Suzuki Grand Vitara Heater Circuit Diagram

1. From ignition switch 1
2. From ignition switch 2
3. From blower fuse
4. Head light relay
5. To A / C controller
6. Blower motor relay
7. Blower motor switch
8. Blower resistor
9. Blower motor
10. To ECM
11. To illumination controller (if equipped) or body ground
12. Mode control actuator
13. Mode control switch
14. From main fuse
15. TAIL fuse 15 A
16. IG METER fuse 20 A
17. HEATER fuse 30 A
18. REAR DEFOGER fuse 15 A
19. Drive circuit



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