DRAFT
TB 9-2320-364-13&P-1
AC HEATER/EVAPORATOR BLOWER OPERATES BUT NO COLD AIR FROM
DUCTS DURING AC OPERATIONS - 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.
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VOLTAGE TEST
(1) Disconnect AC harness wire 1156 from high
pressure switch connector (WP 0038).
(2) Turn fan control switch to an on position (low,
medium, or high) (WP 0004).
(3) Turn temperature control switch to the coldest
position (fully clockwise) (WP 0004).
(4) Turn engine start switch ON (TM 9-2320-364-10).
(5) Place positive (+) probe of multimeter on AC
harness wire 1156 at high pressure switch
connector.
(6) Place negative (-) probe of multimeter on a known
good ground.
(a) If 22 to 28 vdc are not measured, turn engine
start switch OFF and repair AC harness wire
1156 (see Appendix A) or replace AC wiring
harness (WP 0048). Verify repair, go to Step 29
of this fault.
(b) If 22 to 28 vdc are measured, turn engine switch
OFF, and go to Step 15 of this fault.
PLSAC190
