(2) Lead Descriptions. - TM-9-2320-289-20

2-10. TROUBLESHOOTING ELECTRICAL MALFUNCTIONS

/.25ton/TM-9-2320-289-20 CUCV Series Trucks at Unit level Manual
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TM 9-2320-289-20 (2) Lead Descriptions. Each lead on a wiring diagram is designated according to wire size, wire color, and circuit. For example, lead 3 RED-2J (SXL) is designated as follows: (a) (b) (c) Wire size is the diameter of the wire in millimeters. Use the following table to convert wire size into wire gage: Wire size Wire Gage .5 . . . . . . . . . . . . . . . . . . . . ...20 .8 . . . . . . . . . . . . . . . . . . . . . . . 18 1 . . . . . . . . . . . . . . . . . . . . . . . 16 2 . . . . . . . . . . . . . . . . . . . . . . . 14 3 . . . . . . . . . . . . . . . . . . . . . . . 12 5 . . . . . . . . . . . . . . . . . . . . . . . 10 8 . . . . . . . . . . . . . . . . . . . 8 13 ...... . . . . . . . . . . . . . . . . . 6 19 . . . . . . . . . . . . . . . . . . . . . . . 4 32 . . . . . . . . . . . . . . . . . . . . . . . 2 Wire co/or is as previously described. The circuit identifier is only found on the wiring diagram and is used to help distinguish between leads of the same wire size and color. The following abbreviations may appear as part of the circuit identifier (temperature in parentheses is maximum temperature that the wire can withstand): NOTE A fusible link is connected to a lead by a splice and is always constructed of a wire 4 gages higher than the lead it connects to. Any wire that is not labeled will be poly-vinyl chloride wire. HDT Heavy-walled, high-abrasion, poly-vinyl chloride wire (175°F or 97°C) HW Heavy-walled, high-abrasion, poly-vinyl chloride wire (275°F or 152°C) SGT Poly-vinyl chloride; negative battery cable SGX Cross-link polyethylene; positive battery cable SXL Heavy-walled, high-abrasion, cross-link polyethylene (275°F or 152°C) THERMO HW Fusible link; heavy-walled silicone over cross-link polyethylene. 2-27

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