PL
DESCRIPTION AND OPERATION (Continued)
except, the C5 circuit is used for the M1 speed and
circuit C6 is used for M2 speed operation.
Blower motor HIGH speed operation is accom-
plished on the C7 circuit which supplies battery volt-
age directly to the blower motor. There are no
resistors used in the HIGH speed mode.
HELPFUL INFORMATION
• Check the 30 amp fuse located in the PDC for
the radiator fan motor
• Check the 15 amp fuse located in cavity 10 of
the fuse block for the A/C compressor clutch relay
• Check the 10 amp fuse located in the PDC for
the A/C compressor clutch relay.
• Check the 25 amp fuse located in cavity 7 of the
fuse block for the blower motor.
• Check the right headlamp ground located at the
right fender side shield.
• Check the left headlamp ground located on the
left side of the radiator closure panel.
• On vehicles equipped with A/C check the refrig-
erant level. The system will not operate with a low
level of refrigerant.
8W - 42 AIR CONDITIONING-HEATER
8W - 42 - 7