e62. TRAILER MARKER/TAILLIGHTS DO NOT ILLUMINATE (CONT)
TM 9-2320-365-20-1
2-758 Change 1
CAUTION
Read CAUTION
on following page.
7.
Is continuity present from
connector P51 socket 9
to connector P53R
pin 2?
TEST OPTIONS
Continuity Test or
STE/ICE-R Test #91
REASON FOR QUESTION
If continuity is not present,
wire 489T is faulty. If
continuity is present,
intervehicular 24 VDC (12 pin)
cable is faulty.
KNOWN INFO
Towing vehicle marker/taillights
OK.
Circuit breaker CB41 OK.
Trailer electrical system OK.
Dashboard cable assembly OK.
Relay K28 OK.
POSSIBLE PROBLEMS
Faulty rear lights cable
assembly.
Faulty rear intervehicular
24 VDC (12 pin) cable.
NO
Repair wire 489T from connector
P51 socket 9 to connector P53R
pin 2 (para 2-40) or replace rear
lights cable assembly (para 7-75).
YES
Replace intervehicular
24 VDC cable (para 7-79).