HEAT SENSOR SWITCH

TB 5-2520-551-24

HEAT SENSOR SWITCH

Solder terminal lug (item 71, MS25036-148) on ground wire (item 72,

93.

M16878/4BCB9) to heat sensor switch terminal using 45 watt soldering iron.

Solder W-33 DRIVE TRAIN shielded wire to heat sensor switch terminal using

94.

45 watt soldering iron.

Insert grommet (item 70, MS35489-4) in heat sensor cover.

95.

Place heat sensor cover (item 35, C5122611-1) on mounting bracket. Place

96.

ground wire terminal lug (item 71, MS25036-14B) on one screw. Tighten

screws (item 66, MS24693C3), nuts (item 68, NAS671C4), and washers (item

67, NAS1640-4) using NO.1 cross tip screwdriver and 3/16" combination

wrench.

Under truck bed, route W-33 cable (item 29, C5110787-1) over curbside frame

97.

of vehicle.

Remove and retain bolt located on the right rear of the transfer case using

98,

3/8" drive ratchet handle, 6" extension, and 9/16" socket. Install the

mounting bracket on the transfer case and secure with bolt.

Check fluid level of transfer case and fill (refer to TM 9-2320-289-20) if

99.

necessary.