AZ83.70-D-0002-04C | Routing wiring harness and connecting | Models 901.32, 902.32/42, 903.32/42, 904.32/42 |
D83.70-0162-05
Survey, wiring harness for air heater
1 Wire, rd (c. 30)
2 Auxiliary fuse box
3 Wire, br (ground)
4 Wire, vi
5 Wire, gr
6 Wire gn/wt
7 Connector, 8-pin for heater
8 Connector, 6-pin for heater
9 Rubber grommet
10 Connector, 4-pin for control unit
Tie wires and wiring harnesses to present wiring harnesses with cable straps when routing. Avoid chafing points, attach chafe guard if necessary. Cut off or tie back excessively long wires or wiring harnesses. The vi, gr and gn/wt wires (4, 5 and 6) are not required for installation.
1 Connect power supply:
Remove auxiliary fuse box (2) from wiring harness and connect rd wire (1) to free fuse location on access cover on seat frame using flat spring contact. Connect fuse location to a fuse location connected to c. 30. Use 2 mm² wire and flat spring contact for connecting.
Insert 15 A fuse into fuse box.
If no free fuse location is present, leave auxiliary fuse box (2) on wiring harness and connect fuse box to c. 30.
Connect br wire (3) to central ground connection point on floor of seat frame.
Insulate and tie back vi and gr wires (4 and 5).
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2 Route wiring harness:
Route wiring harness with 8-pin and 6-pin connectors
(7 and 8) from driver's seat frame below floor covering to installation location for heater. Wiring harness should exit between cab side wall and floor covering.
Route wiring harness with 4-pin connector (10) from driver's seat frame below floor covering toward front to driver's footwell.
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D83.70-0163-01
3 Connect heater:
Remove control module cover (11) from heater.
Lift control module cover at side with blunt blade (11).
Connect 8-pin and 6-pin connectors (7 and 8) to heater control module and insert rubber grommet (9) into cable passage in cover for sealing.
Reattach control module cover (11).