JUNCTION BOX WIRING HARNESS.-Continued

TM5-4120-383-14

4-28.

JUNCTION BOX WIRING HARNESS.-Continued

Disconnect input power from the air conditioner

before performing maintenance on any part of the

electrical system. The voltages used can be lethal.

Inspect.

(1) Disconnect power at power source.

(2) See paragraph 4-21a and remove control module.

(3) Remove top front cover (para 4-11).

(4) Remove seven screws and lock washers and carefully slide

junction box out of unit.

(5) Inspect connector for loose, damaged or missing pins.

Replace if defective.

(6) Check individual wires for loose solder connections,

loose terminal lugs, cut or frayed insulation cut or broken wires.

Tag and disconnect individual wires and connectors

b. Removal.

from unit.

See wiring diagram figure 4-4. Continuity test

Testing.

individual wires. Replace or repair wires with no continuity.

Repair.

(1) See paragraph 4-20 for general wire repair instructions.

(2) See table 4-3 Wire List for wire lengths and terminal

information when individual wires are replaced.

Replace individual wires, terminals

Replace.

connectors

if defective.

Installation.

(1) See wiring diagram figure 4-4 and tags and connect the

wire leads and connectors. Remove tags.

(2) Carefully slide junction box into place and secure with

seven screws and lock washers.

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