ONE OR BOTH COMPOSITE TAILLIGHTS DO NOT ILLUMINATE (CONT)

TM 9-2320-366-20-1

e49. ONE OR BOTH COMPOSITE TAILLIGHTS DO NOT ILLUMINATE (CONT)

KNOWN INFO

TEST OPTIONS

18.

Continuity Test or

Other service light illuminates.

STE/ICE-R Test #91

Circuit breaker CB80 OK.

Is continuity present from

Rear lights cable

REASON FOR QUESTION

relay K20 terminal 85 on

assembly OK.

If continuity is not present,

PDP to ground?

POSSIBLE PROBLEMS

wire 3054 is faulty. If

continuity is present, relay

Faulty dashboard cable

K20 is faulty.

assembly.

Faulty relay K20.

Repair wire 3054 from relay K20 terminal 85

on PDP to terminal board TB2 position 44 on

YES

PDP (para 2-45) or replace WTEC II dashboard

cable assembly (para 7-10) or WTEC III

dashboard cable assembly (para 7-11).

Replace relay K20 (para 7-9).

2-612.26

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