TM 10-4320-344-242.23.12 Trailer Wiring Harness Maintenance.This task covers:2.23.12.1 Removal2 .23 .1 2 . 3 I n s t a l l a t i o n2.23.12.2 RepairINITIALSETUPEquipment ConditionsGeneral Mechanic’s AutomotivePumping station shut down, TMTool Kit, Appendix B, Section344-10.III, Item 1Crimping Tool, Appendix B, SectionI I I , Item 2General Safetv InstructionsDo not work on eouipment that10-4320-is notsecurely stabilized-to prevent rollingM a t e r i a l / P a r tso r s l i d i n g.Tags, Appendix C, Item 31Do not work on equipment without follow-ing standard shop safety practices.This procedure applies to Model US636HCCD-1.609-A and 609-C are similar.2.23.12.1 Removal.a .Tag all wires (Figure 2-180, 1) of trailerb .Disconnect trailer wiring harness (2) fromright front and rear clearance lights (4),( 5 ).The procedures for Modelswiring harness (2).intervehicular cable (3), left andand left and right service lightsc .Carefully pull trailer wiring harness (2) through grommets (6)t r a i l e r c h a s s i s ( 7 ).2.23.12.2 Repair.a.Inspect trailer wiring harness (2) for damaged connectors (8),tears, or damaged wiring.and remove fromb u r n s , s l i c e s,b.Inspect grommets (6)Replace damagedfor corrosion, slices, tears, or damage.connectors on models 609-C and US636HCCD-1 only.c .Repair of wiring harness consists of replacing defective or damagedconnectors (8) as follows:(1) Slide rubber boot (Figure 2-181, away from connector (2).(2) Cut damaged connector (2) from wire (3).(3) Crimp new connector (2) on wire (3) and cover with boot (1).d.Repair damaged or defective wiring by replacing trailer wiring harness (Figure2-180, 2).e.Replace damaged grommets (6).2-405T o o l sNOTENOTE
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