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 321 of 948

TM 9-2350-256-20-1

0059 00

CORRECTIVE ACTION –Continued

5.

Disconnect APU control box to foot dimmer switch and bulkhead wiring harness from APU control

box. Remove four nuts (1), four lockwashers (2), and four screws (3), and release APU control box

(4) from mounting bracket. Remove four screws (5) and four lockwashers (6), and release rear panel

(7) from APU control box. Reconnect APU control box to foot dimmer switch and bulkhead wiring

harness to APU control box.

Disconnect wire 65 from START switch. Place red lead of multimeter on terminal of START switch

and black lead to ground. Turn MASTER, PREHEAT and APU START switches ON and check for

voltage. Turn MASTER, PREHEAT and APU START switches OFF. If voltage is not present, go to

step 6. If voltage is present, repair/replace wire 65 of APU control box wiring harness (see WP 0438

00).

0059 00-5