ELECTRICAL--LIGHTS

TM 5-2350-238-20-1

Table 2-3. UNIT TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

50. TRAILER RECEPTACLE DOES NOT PROVIDE POWER FOR AUXILIARY VEHICLE

BLACKOUT LIGHTS.

Troubleshoot trailer receptacle blackout circuit. Refer to Electrical Circuit Symptom Index,

51. HIGH BEAM AND LOW BEAM BLACKOUT (INFRARED) HEADLAMPS AND HI BEAM IND

LIGHT ARE OFF WHEN MASTER SWITCH IS ON, VEHICULAR LIGHT SWITCH IS TURNED

TO BO DRIVE, AND BO-IR SWITCH IS SET TO IR.

Troubleshoot service blackout (infrared) headlamp circuit (BO-IR and vehicular light

switches). Refer to Electrical Circuit Symptom Index, page 2-92.

52. BOTH HIGH BEAM SERVICE BLACKOUT (INFRARED) HEADLAMPS ARE OFF, OR BOTH

LOW BEAM SERVICE BLACKOUT (INFRARED) HEADLAMPS ARE OFF.

Troubleshoot service blackout (infrared) headlamp circuit (headlamp dimmer switch).

Refer to Electrical Circuit Symptom Index, page 2-92.

53. EITHER LEFT OR RIGHT LOW BEAM SERVICE BLACKOUT (INFRARED) HEADLAMP IS

OFF.

Troubleshoot service blackout (infrared) headlamp circuit (lead 515). Refer to Electrical

Circuit Symptom Index, page 2-92.

54. EITHER LEFT OR RIGHT HIGH BEAM SERVICE BLACKOUT (INFRARED) HEADLAMP IS

OFF.

Troubleshoot service blackout (infrared) headlamp circuit (lead 514). Refer to Electrical

Circuit Symptom Index, page 2-92.

ELECTRICAL--LIGHTS

55. HI BEAM IND LIGHT IS OFF AND HIGH BEAM SERVICE BLACKOUT (INFRARED)

HEADLAMPS ARE ON.

Troubleshoot HI BEAM IND light (blackout) circuit. Refer to Electrical Circuit Symptom

2-71