Mazda MX-5 NA silhouetteMX-5 NA

Heater & Air Conditioner (G)

Z-60wiring diagram

Both heater-only and heater + A/C configurations covered. Some connector branches are CANADA-only; Federal & California / Canada ground reference noted at right side.

G — Heater & Air Conditioner
Components (18)
BatteryMain fuse 80A (X-01)Ignition switch (X-05)Fuse box (X-04): 30A HEATER, 20A A/CJoint connector X-18Blower motor relayBlower motorResistor assembly (LO/ME/M1/M2/HI taps)Heater control unit (with blower switch G-04 and A/C switch)Blower switch (LO/M1/M2/M3/OFF)ThermoswitchRefrigerant pressure switchMagnetic clutchAdditional fan motor (A/C)A/C relayStarting system (Section A) referenceEngine control unit (Section B-1c) referenceCooling fan relay (Section B-3l) reference

Connector pin assignments (G)

G-01
ComponentBlower unit (F) — Canada
Pin colors( )
G-02
ComponentMagnetic clutch (F)
Pin colorsB/Y
G-03
ComponentThermoswitch (I)
Pin colorsG/R
G-04
ComponentHeater control unit (I)
Pin colorsL/G L L/B L/Y; B L/G L/Y
G-05
ComponentBlower unit (A/C)
Pin colorsL/G L/B; L/Y L/Y
G-06
ComponentA/C relay (A/C)
Pin colorsY/B L/Y; B L/G
G-07
ComponentAdditional fan motor (A/C)
Pin colorsB B/L
G-08
ComponentRefrigerant pressure switch (A/C)
Pin colorsB/L L/Y
G-09
ComponentBlower motor
Pin colorsL L/B
ComponentJoint connector (F)
Pin colors* L L L L; * L L L L
ComponentBlower motor relay (F)
Pin colorsL/W L/W L/W; * L L L

See also

Section B-1c · Section B-3l

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