Table 3-2. Operator Troubleshooting Procedures

TM 9-2330-385-14

3-2. TROUBLESHOOTING SYMPTOMS (CONT).

Table 3-2. Operator Troubleshooting Procedures

Malfunction

Test or Inspection

Corrective Action

ALL TRAILER LIGHTS FAIL.

Is trailer electrical system connected to the truck electrical system?

If the trailer electrical cable assembly is not connected to the truck, connect

the electrical cable assembly (Para 2-9).

If selected lights fail, notify Unit Maintenance.

ALL TRAILER PARKING BRAKES DO NOT RELEASE.

Trailer wheels must be chocked or drawbar connected to truck before coupling trailer

gladhands to truck. Failure to comply may result in injury or death to personnel.

Is the trailer emergency air supply line connected to the truck air system?

If the trailer emergency air supply line is not connected to the truck, connect

the emergency air supply line (Para 2-9).

If the trailer emergency air supply line is connected to the truck, notify Unit Maintenance.

TRAILER SERVICE BRAKES DO NOT APPLY.

Trailer wheels must be chocked or drawbar connected to truck before coupling trailer

gladhands to truck. Failure to comply may result in injury or death to personnel.

Is the trailer service air supply line connected to the truck air system?

If the trailer service air supply line is not connected, connect the trailer air supply line

If the trailer service air supply line is connected, notify Unit Maintenance.

3-2