TM 9-2320-289-20(3) Symbols. Major items appearing in wiring diagrams and schematics are labeled.Other items that may require explanation are defined below:A. Wiring Harness Terminals, Will be found In “mirror image” locations on the wiring harnessmale/female connector (F), The circuit through lead 3 RED-2J (SXL) is shown at points marked“(A).” Note that only terminals for the applicable circuit wiII be shown on the wiring diagram.Terminals shown on other wiring diagrams will be represented by empty blocks on the wiringharness connectors.B.c.Splice. Indicates where a lead Is soldered or otherwise connected to 1 or more other leads,Repair any broken soldered splice using soldering gun.Wiring Harness, Can be Identified on a wiring diagram by a large number of leads going In thesame direction. Wiring harnesses can be identified on the truck by a conduit (plastic sleeve) or aloom (string mesh) that wraps around the leads. The leads of each wiring harness are exposedat the base of the connectors.D.E.F.Leads and Connectors, Transmit electricity to major components, When disconnecting morethan one lead and connector from a major component, tag leads and connectors for installation.Ground Lead. Connects to frame or body to complete electrical circuit, A disconnected ordamaged ground lead can make a major component inoperative, or operative at lowerefficiency.Wiring Harness Male/Female Connectors, Are shown on the wiring diagram according totheir actual shape. Anywhere that a female connector appears, the “mirror image” shownopposite It will be its male connector.TA496312-28
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