TM 9--2350--292--20--1
0120 00--2
BLACKOUT MARKER LIGHT FAILS TO OPERATE -- CONTINUED
0120 00
CONTINUED FROM STEP B
CONTINUED ON NEXT PAGE
C 1. Disconnect harness 4W151 P1 from switch S8.
2. Place one multimeter lead on harness 4W151
J4 pin N and other lead in harness 4W151 P1
socket F. Check for continuity.
Is continuity present?
no
yes
Repair (WP 0290 00) or
replace (WP 0242 00)
harness 4W151. Verify
fault is corrected.
no
yes
D
Place one multimeter lead on switch S8
receptacle pin F and other lead on switch S8
receptacle pin E. Check for continuity.
Is continuity present?
Replace switch S8
(WP 0242 00). Verify
fault is corrected.
E
Is continuity present?
1. Disconnect harness 4W127 P2 from switch
panel.
2. Place one multimeter lead on harness 4W151
J2 pin A and other lead in harness 4W151 P1
socket E. Check for continuity.
Repair (WP 0290 00) or
replace (WP 0324 00)
harness 4W127. Verify
fault is corrected.
Repair (WP 0290 00) or
replace (WP 0242 00)
harness 4W151. Verify
fault is corrected.
yes
no
