TM-9-2350-256-20-1

RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 1 OF 2

NOVEMBER 2005

TM-9-2350-256-20-1 - Page 526 of 948

TM 9-2350-256-20-1

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CORRECTIVE ACTION –Continued

9.

Reconnect wire 10/15 at connector. Disconnect main lighting and master relay wiring harness from

main lighting switch. Place red lead of multimeter in socket F of wire 15 and black lead to ground.

Turn MASTER switch on and check for voltage. Turn MASTER switch OFF. If voltage is present, go

to step 10. If voltage is not present, repair/replace wire 15 of main lighting and master relay wiring

harness (see WP 0219 00).

10.

Place a jumper wire from socket F to pin F. Placered lead ofmultimeter on pin E of wire 20/24 and black

lead to ground. Turn MASTER switch ON, press B.O. MARKER key and ENTER key, and check for

voltage. Turn MASTER and main lighting switches to OFF. If voltage is present, repair/replace wire

20/24 of main lighting and master relay wiring harness assembly (see WP 0219 00). If voltage is not

present, replace main lighting switch (see WP 0159 00).

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