Position resistor (17) on cover (18) and install and tighten two screws
(16), washers (15), lock washers (14), and nuts (13).
Position seal (12) on cover (18) then install four screws (10) in
mounting holes. Place defroster (11) on seal (12) inserting screws (10)
through defroster mounting holes.
I n s t a l l a n d t i g h t e n f o u r l o c k n u t s ( 9 ) .
Connect defroster terminal (8) to resistor (17) terminal by grasping
terminal (8) with your fingers and firmly pushing it on resistor
t e r m i n a l.
At cab ceiling, connect wire lead (7) terminal (5) to wiring harness
brown-white terminal by grasping both terminals with your fingers,
inserting terminal (5) into terminal (6) and firmly pushing than
t o g e t h e r.
Position cover (18) with installed parts close to cab ceiling and connect
wire lead (7) spade terminal (4) to resistor (17) terminal.
Connect wiring harness yellow-black wire spade terminal to dome light
Install one finishing washer (2) and screw (1) through cover (18)
mounting hole nearest to defroster terminal (3). Install this terminal on
screw. Position cover on cab ceiling lining up mounting holes in cover
with mounting holes in cab. Tighten screw (l).
Install and tighten remaining five finishing washers (2) and screws (1) .
Connect battery ground cable (page 5-151).
Start and operate engine at idle speed. Set DEFROSTER switch to ON posi-
tion and check that defroster operates . Set dome light switch to on posi-
tion and check that light turns on. Set switches in OFF positions. Turn
off engine. If defroster does not operate or if dome light does not
light, refer to troubleshooting (page 3-169 or 3-176).