BLACKOUT MARKER LIGHT(S) AND/OR TAILLIGHT(S) DO NOT OPERATE - continued

TM 10-3930-673-20-1

17. BLACKOUT MARKER LIGHT(S) AND/OR TAILLIGHT(S) DO NOT OPERATE (CONT).

KNOWN INFO

TEST OPTIONS

Turn signals OK.

Voltage test.

Is 24 vdc present at

Floodlights OK.

STE/ICE-R #89.

Bulbs OK.

connector J3-F (wire 40)?

REASON FOR QUESTION

Connector P2 OK.

If 24 vdc is not present, wire 40

Connector J2 OK.

faulty.

Wire 9 OK.

Circuit breaker CB6 OK.

Wire 1 OK.

Run relay OK.

Wire 3 OK.

Circuit breaker CB4 OK.

POSSIBLE PROBLEMS

Wire 40 faulty.

Blackout light switch faulty.

Repair wire 40

Wire 45 faulty.

(Para 8-48).

Connector J1 faulty.

Connector P1 faulty.

Socket(s) faulty.

YES

2-314