TM 9-2320-365-20-1
2-824
e71. INTERVEHICLE TAILLIGHTS DO NOT OPERATE (CONT)
YES
NO
KNOWN INFO
TEST OPTIONS
Voltage Test or
STE/ICE-R Test #89
REASON FOR QUESTION
WARNING
Read WARNING
on following page.
POSSIBLE PROBLEMS
Faulty rear lights cable
assembly.
Faulty rear intervehicular
12 vdc (7 pin) cable.
2.
Towing vehicle taillights
operate.
Towed vehicle taillights
OK.
Is 12 vdc present at
connector P52R-1?
If 12 vdc is not present,
wire 21 is faulty. If 12
vdc is present, rear
intervehicular 12 vdc
(7 pin) cable is faulty.
Repair wire 21 (para 2-40)
or replace rear lights cable
assembly (para 7-75).
Replace rear intervehicular 12
vdc (7 pin) cable (para 7-78).
