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TM 9-2320-364-20-3
2-2171
(1) Disconnect pressure switch connector.
(2) Using jumperwire, attach harness end
of pressure switch wire to a known
good ground.
(a) If LOW AIR light goes out, turn
OFF ENGINE switch and replace
pressure switch (Para 13-10).
(b) If LOW AIR light remains on,
pressure switch is OK.
(3) Turn OFF ENGINE switch
(TM 9-2320-364-10).
PRESSURE SWITCH TEST
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical
circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.
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