TM 5-4310-452-14
4-63. WIRING HARNESSES.
This Task Covers: Diagrams of the Unit Wiring Harnesses
Initial Setup:
Equipment Conditions:
Tools/Test Equipment:
• Engine off.
• General mechanic's tool kit
• Battery cables disconnected (see paragraph
4-57).
NOTE
•
A switch or sending unit is more likely to be defective than a gage or
indicator. The least likely cause of a problem would be in the wiring or
harnesses.
•
This paragraph contains diagrams of the wiring harnesses. For electrical
troubleshooting procedures see Chapter 4, Section V, ELECTRICAL
TROUBLESHOOTING.
•
Before performing any tests of circuits, you must read and understand
paragraph 4-9.
•
Then installin g a replacement wire, be sure the wire is the same gage as the
wire being replaced. Identify the new wire by using color coded tape that
matches the color of the wire replaced. Match type and size of connectors
from old wire for new wire.
•
If a wire is spliced, use heat shrink tubing to insulate area spliced. Use a
suitable heat source to shrink tubing.
•
Perform continuity test on new wires before installing them into the unit.
4-117
