DRAFT
TB 9-2320-364-13&P-1
AC HEATER/EVAPORATOR BLOWER DOES NOT OPERATE IN ALL SPEEDS
(LOW, MEDIUM, AND HIGH) - Continued
WARNING
Remove rings, bracelets, wristwatches, neck chains, and any other jewelry before working around
vehicle. Jewelry can catch on equipment and cause serious injury. Jewelry or tools may short
across electrical circuits or terminals and cause damage to equipment or severe burns or
electrical shock to personnel.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
VISUAL INSPECTION
(1) Remove eight screws and heater compartment
access panel (TM 9-2320-364-20).
(2) Remove two upper plenums (TM 9-2320-364-20).
(3) Remove four screws, washers, lockwashers, and
cover from AC heater/evaporator blower motor
resistor harness assembly (WP 0036).
(4) Inspect fan control switch, fan control switch
harness, and AC heater/evaporator blower motor
resistor harness for loose connections.
(a) If fan control switch harness connections are
loose, connect connections (WP 0031) and go
to Step 2 of this fault.
(b) If AC heater/evaporator blower motor resistor
harness connections are loose, connect
connections (WP 0036) and go to Step 2 of this
fault.
(c) If connections are tight, go to Step 3 of this fault.
PLSAC164