TM-9-2330-330-14-P

SEMITRAILER, FUEL TANKER: 5000-GALLON, FUEL-DISPENSING, AUTOMOTIVE, M969A3

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

NOVEMBER 2005

TM-9-2330-330-14-P - Page 117 of 1116

TM 9-2330-330-14&P

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ELECTRICAL SYSTEM TROUBLESHOOTING

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THIS WP COVERS:

Electrical System Troubleshooting

INITIAL SETUP:

Maintenance Level

Operator/Crew

To troubleshoot the M969A3 electrical system, perform the test/inspections and corrective actions

provided in Table 1.

Table 1. Troubleshooting Procedures.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1.

LIGHTS ON TRAILER

WILL NOT OPERATE

1.

Check switch on prime

mover (refer to applicable

prime mover TM) is in the

ON position.

If taillights do not operate

properly, go to step 2.

2.

ONE OR MORE LIGHTS

(BUT NOT ALL) WILL

NOT OPERATE, OR

LIGHTS ARE DIM OR

FLICKERING

3.

CONTROL PANEL

SECURE LIGHTING

DOES NOT OPERATE

2.

Check fuse in prime mover

(refer to applicable prime

mover TM).

3.

Disconnect intervehicular

cable connections of

M969A3 and prime mover

and check for dirty or

corroded contacts in both

plugs.

Disconnect intervehicular cable

connections of M969A3 and

prime mover and check for dirty

or corroded contacts in both

plugs.

If fuse is blown, notify

Organizational maintenance. If

fuse is okay, go to step 3.

Clean plugs or receptacles and

reconnect to M969A3. If

semitrailer lights still do not

operate properly, notify

Organizational maintenance.

Clean plugs or receptacles and

reconnect to M969A3. If

semitrailer lights still do not

operate properly, notify

Organizational maintenance.

Notify Organizational

maintenance.

END OF TASK