SPEEDOMETER AND TACHOMETER SENDING UNIT
This task covers:
a. Removal (page 4-420)
b. Installation (page 4-421)
Right side of hood open (TM 9-2320-270-10).
Screwdriver, flat-tip, 1/4-inch
Wrench, open-end, 1 1/16-inch
Steps in this task apply to both speedometer sending units, located on transfer case,
and tachometer sending unit, located on engine. Tachometer sending unit is shown.
Speedometer and tachometer sending units look the same. Speedometer sending unit
has 1,169 stamped on it. Tachometer sending unit has 1,002 stamped on it.
Unscrew and unplug.
1. Sending unit (1)
Using 1 1/16-inch wrench, unscrew
2. Sending unit (1)
counterclockwise until sending unit (1)
is loose from adapter (3).
Sending unit (1)
Unscrew clockwise and take off.
4. Sending unit (1)