KNOWN INFO
TEST OPTIONS
NO
YES
CAUTION
Read CAUTION
on following page.
Continuity Test or
STE/ICE-R Test #91
REASON FOR QUESTION
6.
Is continuity present from
relay K29 terminal 87 on
PDP to connector J51
pin 10?
e65. TRAILER BLACKOUT MARKER LIGHTS DO NOT ILLUMINATE (CONT)
TM 9-2320-365-20-1
2-786 Change 1
If continuity is not present,
wire 484T is faulty.
POSSIBLE PROBLEMS
Towing vehicle blackout
marker lights OK.
Circuit breaker CB42 OK.
Trailer electrical system OK.
Relay K29 OK.
Faulty dashboard cable
assembly.
Faulty rear lights cable
assembly.
Faulty rear intervehicular
24 VDC (12 pin) cable.
Repair wire 484T from relay K29
terminal 87 on PDP to connector
J51 pin 10 (para 2-40) or replace
WTEC II dashboard cable assembly
(para 7-10) or WTEC III dashboard
cable assembly ( para 7-11).