STOPLIGHT DOES NOT WORK WHEN TRACTOR BRAKES ARE APPLIED - CONTINUED

TM9-2320-270-20-1

TROUBLESHOOTING - CONTINUED

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Step 4.

At circuit breaker for stoplight (3), using multimeter set at 30 vdc, put red

probe on wire no. 009 (5). Put black probe to good ground.

If meter reads no voltage, replace breaker (page 4-304).

Step 5.

Open left side of hood (TM 9-2320-270-10). Disconnect firewall harness

plug (6). Using multimeter, set at 30 vdc, put red probe on socket X (7)

and black probe to good ground.

If meter reads no voltage, plug in firewall harness plug (6) and notify

direct support maintenance. Close left side of hood (TM 9-2320-

270-10) and close instrument panel (page 4-244).

TA239677

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