TM-5-5420-202-10

LAUNCHER, M48A5 TANK CHASSIS

OPERATOR'S MANUAL

DECEMBER 2009

TM-5-5420-202-10 - Page 253 of 535

TM 5-5420-202-10

0043

OPERATOR MAINTENANCE

LIGHTS TROUBLESHOOTING PROCEDURES

INITIAL SETUP:

References

WP 0008

References (cont.)

WP 0033

WP 0066

Table 1. Lights.

SYMPTOM

MALFUNCTION

CORRECTIVE ACTION

Lights are inoperable.

SERVICE DRIVE

HEADLIGHT

OR BLACKOUT

MARKER LIGHT

DOES NOT WORK.

STEP 1. Check headlight mounting connectors of

non-operational headlight assembly to see if mounting

nut is secured and seated into headlight mount. Refer

to WP 0066. If not, secure mounting nut and seat

properly.

STEP 2. Operate headlights. Refer to WP 0008. If

headlights do not work, go to step 3.

STEP 3. Check to ensure all electrical connectors

(Figure 1, Item 2) in both right and left headlight

harness assemblies (Figure 1, Item 1) are connected.

If not connected, connect.

STEP 4. Operate headlights. Refer to WP 0008.

If headlights do not work, replace defective lamps.

Refer to WP 0066.

Figure 1.

Headlight Harness.

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