FRONT BLACKOUT LIGHT WILL NOT LIGHT.

5-2420-224-20-1

Table 3-5. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

ELECTRICAL SYSTEM (CONT)

32. FRONT BLACKOUT LIGHT WILL NOT LIGHT.

NOTE

Vehicle MASTER disconnect switch must be ON and master light" switch set to BO

DRIVE. Failure to do so will cause erroneous results.

Refer to wiring diagram for all wiring repair steps.

Step 1. Check for +24 VDC between wire 401 (1) and ground at quick disconnect (2).

If +24 VDC is present, replace lamp (3) (page 4-181).

If +24 VDC is not present, go to step 2.

Step 2. Disconnect connector F (4) and check for +24 VDC between wire 401 (1)

and ground.

If +24 VDC is present, repair wiring 401 between connector F

and lamp.

If +24 VDC is not present, reconnect connector F and go to

step 3.

Step 3. Check for +24 VDC between wire 401 (1) and ground at fuse box 2 (5).

If +24 VDC is present, repair wiring 401 between fuse box 2

and connector F.

If +24 VDC is not present, go to step 4.

Step 4. Disconnect connector K (6) and check for +24 VDC between wire 40 (7)

and ground.

If +24 VDC is present, repair wiring 40 between connector K

and fuse box 2.

If +24 VDC is not present, reconnect connector K and go to

step 5.

Step 5. Check for +24 VDC between wire 40 (7) and ground at master light switch

(8).

If +24 VDC is not present, replace master light switch

(page 4-137j.

If +24 VDC is present, repair wiring 40 between master light

switch and connector K.