ALL MARKER LIGHTS DO NOT ILLUMINATE IN NORMAL MODE (CONT)

TM 9-2320-366-20-1

e48A. ALL MARKER LIGHTS DO NOT ILLUMINATE IN NORMAL MODE (CONT)

KNOWN INFO

TEST OPTIONS

Continuity Test or

Circuit breaker CB67 OK.

STE/ICE-R Test #91

No marker lights illuminate.

Is continuity present from

Main light switch OK.

REASON FOR QUESTION

relay K20 terminal 85 on

POSSIBLE PROBLEMS

If continuity is not present,

PDP to ground?

wire 3054 is faulty.

Faulty dashboard cable

assembly.

Faulty relay K20.

Repair wire 3054 from relay K20

terminal 85 on PDP to terminal board

TB2 position 44 on PDP (para 2-45) or

YES

replace WTEC II dashboard cable assembly

(para 7-10) or WTEC III dashboard cable

assembly (para 7-11).

Replace relay K20

(para 7-9).

2-604.64

Change 1