e59. ONE OR BOTH STOPLIGHTS DO NOT ILLUMINATE (CONT)
TM 9-2320-365-20-1
2-726.2 Change 1
Is continuity present from
terminal board TB1 position
27 to diode D1A terminal 1?
17.
TEST OPTIONS
Continuity Test or
STE/ICE-R Test #91
REASON FOR QUESTION
If continuity is not present,
wire 22 is faulty.
KNOWN INFO
Blackout stoplights illuminate.
Lamp OK.
Rear lights cable assembly
OK.
Composite taillight assembly
OK.
Turn signal switch OK.
Diode D1B OK.
Diode D2A OK.
Main light switch OK.
Relay K10 OK.
POSSIBLE PROBLEMS
Faulty dashboard cable
assembly.
Faulty diode D1A.
NO
Repair wire 22 from terminal board TB1
position 27 to diode D1A terminal 1
(para 2-40) or replace WTEC II dashboard
cable assembly (para 7-10) or WTEC III
dashboard cable assembly (para 7-11).
YES
Replace diode D1A
(para 7-9).