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CHAPTER 2 TROUBLESHOOTING INSTRUCTIONS | Up
/.25ton/TM-9-2320-289-34 CUCV Series Trucks at intermediate direct support and general support level Manual | Next
(2) Lead Descriptions. |
TM 9-2320-289-34
2-2.
TROUBLESHOOTING ELECTRICAL MALFUNCTIONS.
WARNING
Both battery negative cables must be disconnected before removing any
electrical system components, (See TM 9-2320-289-20) Failure to follow
this warning may result in serious injury or death to personnel.
CAUTION
DO NOT leave key in “RUN” position for more than 2 minutes for any
electrical system test. Failure to follow this caution may result In damage
to glow plugs.
a. Introduction. As a general rule, when troubleshooting malfunctions of electrical
systems, check for continuity through the component and any applicable switches and fuses. Use
the wiring diagrams in Appendix E and the following instructions to determine the routing of the
wiring, Replace any component, switch, or fuse that does not have continuity.
b. Abbreviations, Lead Descriptions, and Symbols.
(1) Abbreviations. The following abbreviations of wire colors are used throughout
Appendix E:
BLK . . . . . . . . . . . . . . . . . . . . . . . . Black
BLK/LT BLU . . . . . . . . . . . . . . . . . .
Black with one light blue stripe
BLK/WHT . . . . . . . . . . . . . . . . . . . .
Black with one white stripe
BLK/YEL . . . . . . . . . . . . . . . . . . . .
Black with one yellow stripe
BLUE . . . . . . . . . . . . . . . . . . . . . . . Blue
BAN . . . . . . . . . . . . . . . . . . . . . . . . Brown
BRN/RED . . . . . . . . . . . . . . ....
Brown with one red stripe
BRN/WHT . . . . . . . . . . . . . . . . . . . .
Brown with one white stripe
DK BLU . . . . . . . . . . . . . . . . . . . . . Dark blue
DK GRN . . . . . . . . . . . . . . . . . . . . . Dark green
DK GRN/WHT
. . . . . . . . . . . . . .
Dark green with one white stripe
LT BLU . . . . . . . . . . . . . . . . . . . . .
Light blue
LT BLU/RED . . . . . . . . . . . . . . . . .
Light blue with one red stripe
LT GRN . . . . . . . . . . . . . . . . . . . . .
Light green
GRA . . . . . . . . . . . . . . . . . . . . . . .
Gray
GIN . . . . . . . . . . . . . . . . . . . . . . . . Green
ON . . . . . . . . . . . . . . . . . . . . . . . .
Orange
ORN/BLK . . . . . . . . . . . . . . . . . . . .
Orange with one black stripe
PIN K . . . . . . . . . . . . . . . . . . . . . . . Pink
PNK/BLK . . . . . . . . . . . . . ... . . .
Pink with one black stripe
PPL . . . . . . . . . . . . . . . . . . . . . . . .
Purple
PPL/WHT . . . . . . . . . . . . . . . . . . . .
Purple with one white stripe
RED/WHT . . . . . . . . . . . . . . . . . . .
Red with one white stripe
TAN/WHT . . . . . . . . . . . . . . . . . . . Tan with one white striPe
WET . . . . . . . . . . . . . . . . . . . . . . . . White
WHT/BLK . . . . . . . . . . . . . . . . . . . .
White with one black stripe
YE . . . . . . . . . . . . . . . . . . . . . . . . yellow
YEL/BLK . . . . . . . . . . . . . . . . . . . .
Yellow with one black stripe
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