TM 9-2320-260-34-2
15-68. HEATER FUEL PUMP WIRING HARNESS REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP
REFERENCES (TM)
APPLICABLE MODELS
TM 9-2320-260-10
M820, M820A1, M820A2
TM 9-2320-260-20
TEST EQUIPMENT
TM 9-2320-260-34P-2
Multimeter (Appendix B, Item 115)
EQUIPMENT CONDITION
TOOLS
External power source disconnected
General mechanic's tool kit
(TM 9-2320-260-10).
Battery ground cable disconnected
(Appendix B, Item 1)
Toolkit, electrical (Appendix B, Item 106)
(TM 9-2320-260-20).
MATERIALS/PARTS
Safety wire (Appendix D, Item 372)
Electrical tape (Appendix C, Item 51)
CAUTION
Use care when replacing wiring harness. Excessive snagging or
pulling may damage wiring harness.
NOTE
Tag wires, cables, and leads for installation.
1. Disconnect heater fuel pump wiring harness (1) from fuel pump plug (2).
NOTE
Perform step 2 for M820A2 vehicles.
2. Remove screw (3) and clamp (5) from van body (4).
3. Disconnect heater fuel pump wiring harness (1) from heater plug (6).
NOTE
q Safety wire will be used to install new wiring harness. Do not
cut safety wire from spool until wiring harness has been pulled
through and proper length has been obtained.
q Safety wire must be attached to wires with electrical tape.
4. Remove heater fuel pump wiring harness (1) from van body (4).
Position heater fuel pump wiring harness (1) in van body (4).
Connect heater fuel pump wiring harness (1) to heater plug (6).
NOTE
Perform step 3 for M820 and M820A1 vehicles. Perform steps 4
and 5 for M820A2 vehicles.
3.
Connect heater fuel pump wiring harness (1) to fuel pump plug (2).
4.
Route heater fuel pump wiring harness (1) through clamp (5) and connect heater fuel pump wiring
harness (1) to fuel pump plug (2).
Secure heater fuel pump wiring harness (1) to van body (4) with clamp (5) and screw (3).
5.
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