SECTION V: VEHICLE WIRINGTM 9-2350-256-2011 Disconnect two connectors (9 and 12) from APUstarter relay (33).12 Remove two clamps (37) by removing two screws(38) and two washers (39).b. DISASSEMBLYDisassemble wiring harness (see Chapter 6, Section VII).c. ASSEMBLYAssemble wiring harness (see Chapter 6, Section VII).d. INSTALLATION1 Install two clamps (37) using two screws (38) andtwo washers (39).2 Connect lead (13) to APU generator (31) usingthree new lockwashers (36) and nut (35).3 Connect two leads (10 and 11) to APU generator (31) using two nuts (34).4 Connect two connectors (9 and 12) to APU starter relay (33).5 Connect lead (8) to APU generator (31) using nut (32).6 Connect lead (7) to preheat solenoid (20) using four lockwashers (27) and nut (26).7 Connect lead (6) to preheat solenoid (20) using four lockwashers (27) and nut (26).8 Connect lead (5) from fuel shutoff solenoid (23) using washer (25) and nut (24).9 Connect lead (4) to preheat solenoid (20) using washer (22) and nut (21).10 Connect lead (3) to diode assembly (16) using screw (17), new lockwasher (18), and nut (19).11 Connect connector (2) to bulkhead to APU, masterrelay, and rigger's lights wiring harness (15).12 Connect connector (1) to APU engine disconnectbracket (14).NOTEFollow-on maintenanceInstall APU accesscover assembly (seeparagraph 9-49)6-211
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