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TM 9-2320-386-24-1-1
0254 00
ENGINE COOLANT HEATER HARNESS REPLACEMENT (Contd)
REMOVAL
CAUTION
Use care when routing harness. Snagging may result, and forceful
pulling may cause damage to harness.
1.
Remove screw (10), lockwasher (11), clamp (12), and ground (GND) lead (13) from right side of fuel
pump (16). Discard lockwasher (11).
2.
Remove screw (8), lockwasher (9), clamp (7), and ground (GND) lead (13) from saddle bracket (17).
Discard lockwasher (9).
3.
Disconnect harness (6) from heater (14).
4.
Remove grommet (18) and pull harness (6) from toolbox (15).
5.
From under instrument panel (2), disconnect harness lead 25 (3) from diode box wire 402 (1).
6.
Disconnect harness (6) from heater control box (19).
7.
Remove grommet (4) and pull harness (6) from firewall (5).
8.
Remove harness (6) from vehicle.
INSTALLATION
1.
Insert harness (6) through firewall (5).
2.
From under instrument panel (2), connect harness (6) to heater control box (19).
3.
Connect harness lead 25 (3) to diode box wire 402 (1).
4.
Insert harness (6) through battery box (15) and connect to heater (14).
5.
Install ground (GND) lead (13), clamp (12), new lockwasher (11), and screw (10) on the right side of
fuel pump (16).
6.
Install ground (GND) lead (13) on saddle bracket (17) with clamp (7), new lockwasher (9), and
screw (8).
7.
Install grommets (4) and (18) on firewall (5) and toolbox (15).
8.
Connect battery ground (GND) cable (WP 0121 00).
0254 00-2

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