What fuse powers the blower/A/C circuit in this diagram?

Fuse 23, rated 25A, in the fuse box supplies the circuit on a light green (Lg) wire. A separate 10A A/C fuse (between connectors B11 and B12) feeds the A/C switch on a P/B wire.

What speed positions does the blower switch have?

The E45 blower switch has OFF, LO, M1, M2, and HI positions.

What connector is the blower motor on and what wire colors does it use?

The blower motor is at connector E53, fed by a P (pink/purple per color code) wire from the resistor/switch circuit and grounded through a B (black) wire at ground point 9.

Where is the blower resistor in this circuit?

The resistor block is at connector E47, wired between the blower switch (via P/B, P/Bl, and P/G wires) and the blower motor circuit, with pins 4, 3, 1, and 2 shown.

What do the boxed legend numbers 1-4 mean on this diagram?

The legend indicates variant-specific connector pins: [1] = 3A/T (3-speed automatic), [2] = 4A/T (4-speed automatic), [3] = IWATA (plant), [4] = CAMI (plant).

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Suzuki HVAC Wiring Diagram - Blower Motor, Blower Switch & A/C Circuit

Wiring diagram: A/C amplifier, blower switch, blower motor resistor, A/C switch and blower motor

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Wiring diagram of the A/C blower system showing the blower switch, resistor, A/C switch and blower motor.

AI caption August 2006 · Photo 39 of 86

This document is a factory-style HVAC wiring diagram (page 2 of a multi-page HVAC set) showing the blower motor and A/C control circuit for a Suzuki vehicle. Power originates at fuse 23 (25A) in the fuse box and travels on a light green (Lg) wire through connectors E46/B13 and B14 to the A/C amplifier, and also to the E45 blower switch. The blower switch has OFF, LO, M1, M2, and HI positions and feeds the E47 blower resistor block via P/B, P/Bl, and P/G wires, with the P wire continuing to the E53 blower motor, which grounds through a black (B) wire at ground point 9. A separate branch runs through a 10A A/C fuse (connectors B11/B12) on a P/B wire to the B10 A/C switch (with OFF/ON positions, an internal diode, and indicator lamp), which grounds at points 9 and 10. Connector pin numbers are shown throughout, with a legend indicating variant-specific pinouts: [1] 3A/T, [2] 4A/T, [3] IWATA-built, [4] CAMI-built vehicles. Readers can trace blower speed circuits, identify wire colors and connector/pin assignments, and locate the A/C fuse and amplifier in the circuit.

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Frequently asked questions

What fuse powers the blower/A/C circuit in this diagram?: Fuse 23, rated 25A, in the fuse box supplies the circuit on a light green (Lg) wire. A separate 10A A/C fuse (between connectors B11 and B12) feeds the A/C switch on a P/B wire.
What speed positions does the blower switch have?: The E45 blower switch has OFF, LO, M1, M2, and HI positions.
What connector is the blower motor on and what wire colors does it use?: The blower motor is at connector E53, fed by a P (pink/purple per color code) wire from the resistor/switch circuit and grounded through a B (black) wire at ground point 9.
Where is the blower resistor in this circuit?: The resistor block is at connector E47, wired between the blower switch (via P/B, P/Bl, and P/G wires) and the blower motor circuit, with pins 4, 3, 1, and 2 shown.
What do the boxed legend numbers 1-4 mean on this diagram?: The legend indicates variant-specific connector pins: [1] = 3A/T (3-speed automatic), [2] = 4A/T (4-speed automatic), [3] = IWATA (plant), [4] = CAMI (plant).