TM 9-2320-280-20-3
10-86. HEATER FAN MOTOR RESISTOR ASSEMBLY REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP
Tools
Equipment Condition
General mechanic’s tool kit
Battery ground cable disconnected (para. 4-73).
automotive (Appendix B, Item 1)
Manual References
TM 9-2320-280-10
TM 9-2320-280-24P
1. Remove four capscrews (12) from instrument cluster (1) and instrument panel (2), and pull
instrument cluster (1) away from panel (2) for access to resistor assembly (5).
2. Remove two screws (11) and heater fan switch (8) from panel (2). Pull heater fan switch (8) out from
behind panel (2).
NOTE
Prior to removal, tag leads for installation.
3. Disconnect leads 399 (3) and 400 (6) from heater fan switch (8). Disconnect lead 400 (4) from harness
lead 400D (7).
4. Loosen two screws (9) and nuts (10) and remove resistor assembly (5) from panel (2).
I
b. Installation
I
1. Connect lead 400 (4) to harness lead 400D (7). Connect leads 400 (6) and 399 (3) to heater fan
switch (8).
2. Install resistor assembly (5) on panel (2) and tighten two screws (9) and nuts (10).
3. Install heater fan switch (8) on panel (2) with two screws (11).
4. Install instrument cluster (1) on panel (2) with four capscrews (12).
10-142
