TM 1-1520-238-T-7
11–382
Change 5
11–96.
PILOT STAB POS INDICATOR EDGE-LIGHT – DOES NOT LIGHT
11–96
Tools:
Nomenclature
Part Number
Tool Kit, Electrical
SC518099CLA06
Repairer’s
Multimeter, Digital
AN/PSM-45
Personnel Required:
68X
Armament/Electrical Systems Repairer
One person to assist
References:
TM 1-1520-238-T-6
TM 1-1520-238-23
WARNING
Turn off power before detaching or
attaching wires and connectors. High
current 28 VDC or 115 VAC is present.
Failure to do so could result in death or
serious injury.
1. Detach P981 from (M51)J1.
Check for 5 VDC between P981–F and P981–G.
Is voltage present?
YES
Replace pilot STAB POS
indicator (M51)
(TM 1-1520-238-23).
NO
Go to step 2.
2. On pilot EXT LT/INTR LT panel, rotate INST
control CCW to OFF.
Check for open between P981–F and
(A326)TB1–31–G.
Does open exist?
YES
Repair open wire.
Go to paragraph 11–88.
NO
Go to step 3.
3. Check for short between:
P981–F and ground,
(A326)TB1–31–G and ground.
Does short exist?
YES
Repair shorted wire.
Go to paragraph 11–88.
NO
Go to step 4.
4. Check for open between P981–G and
(A326)TB1–32–G.
Does open exist?
YES
Repair open wire.
Go to paragraph 11–88.
NO
Troubleshoot pilot edge lights
(TM 1-1520-238-T-6).
END OF TASK
