RIGHT BRAKE LIGHT WILL NOT LIGHT. cont'd

TM 5-2420-224-20-1

Table 3-5. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

ELECTRICAL SYSTEM (CONT)

NOTE

Vehicle MASTER disconnect switch must be ON, master light switch set to SER

DRIVE, and turn signal lever off. Failure to do so will cause erroneous results.

Refer to wiring diagram (page 3-194) for all wiring repair steps.

Step 1. Remove two screws (1), two washers (2), and guard (3). Loosen six screws

(4) and remove retainer (5)

Step 2. Remove brake lamp (6) and check for continuity.

if there is

Step 3. Loosen two captive screws (7) and pull bracket (8) out enough to gain

access to area behind bracket.

Step 4. Remove two clamps (9) and pipe assembly (10).

Step 5. Check for +24 VDC between wire 4445R (11) and ground at turn signal

lever (12).

If +24 VDC is not present, replace turn signal lever

(page 4-122).

If +24 VDC is present, go to step 6.

Step 6. Disconnect connector B (13) and check for +24 VDC between wire 4445R

(11) and ground.

If +24 VDC is not present, repair wiring 4445R between

connector B and turn signal lever.

If +24 VDC is present, reconnect connector B and go to step 7.

Step 7. Release two clamps (14) and remove cover (15).

Step 8. Disconnect connector Y (16) and check for +24 VDC between wire 4445R

(11) and ground.

If +24 VDC is not present, repair wiring 4445R between

connector Y and connector B.

If +24 VDC is present, reconnect connector Y and go to step 9.

3-193