TM 9-2320-363-34-1
1.
MAKE SURE THREE WIRING HARNESS SOLENOID CONNECTORS AND TERMINALS (1) ARE
FULLY ENGAGED AND TIGHT.
C A U T I O N
Grasp only connectors when disconnecting harnesses. Do not pull on wires to
prevent damage to equipment.
2.
DISCONNECT ENGINE RETARDER WIRING HARNESS CONNECTOR (2) FROM VEHICLE
ELECTRICAL HARNESS (3).
3.
CONNECT JUMPER LEAD (4) TO NEGATIVE (-) TERMINAL ON 12 VOLT DC POWER SOURCE (5)
AND TO GROUND (6) ON CYLINDER HEAD (7).
4.
CONNECT JUMPER LEAD (8) TO POWER SOURCE POSITIVE (+) TERMINAL (9) AND INSERT
JUMPER LEAD PROBE (10) INTO BLUE WIRE TERMINAL CAVITY (11) OF ENGINE RETARDER
WIRING HARNESS CONNECTOR (2).
NOTE
When power is applied, solenoid of center engine retarder assembly should be
activated. Activation can be heard and noted by movement of solenoid cap.
5. APPLY POWER.
6.
REPEAT APPLYING AND REMOVING POWER 2 OR 3 TIMES TO ENSURE CENTER SOLENOID
(12) IS OPERATING PROPERLY.
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