BLACKOUT DRIVE LIGHT(S) DO NOT OPERATE - continued

TM 10-3930-673-20-1

18. BLACKOUT DRIVE LIGHT(S) DO NOT OPERATE (CONT).

KNOWN INFO

TEST OPTIONS

Bulbs OK.

Continuity test.

Is continuity present between

Connector P2 OK.

STE/ICE-R #88.

Connector J2 OK.

connector J3-D and

REASON FOR QUESTION

Wire 9 OK.

connector J1-3?

If continuity is not present, blackout

Circuit breaker CB6 OK.

control switch or wire 47 faulty.

Wire 1 OK.

Run relay OK.

Wire 3 OK.

Circuit breaker CB4 OK.

Wire 40 OK.

POSSIBLE PROBLEMS

Blackout light switch faulty.

Wire 47 faulty.

Connector J1 faulty.

Repair wire 47

Connector P1 faulty.

(Para 8-48).

Socket(s) faulty.

YES

Replace blackout

light switch

(Para 8-13).

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