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8L - 2
LAMPS
HEADLAMP
DIMMER
SWITCH
TEST
(1) Remove 4 screws a t t a c h i n g t h e lower steering
column cover ( F i g . 1). The fuse block i s attached to
t h i s cover a n d should be supported w h e n cover i s r e -
moved.
STEERING
COLUMN
COVERS
J908K-33
Fig. 1 Steering Column Cover
(2) To test t h e switch, leave t h e harness connected
to t h e d i m m e r s w i t c h a n d w i t h a 12 v o l t test l i g h t
check for 12 volts a t t h e t e r m i n a l s o f t h e switch
(Figs. 2 a n d 3).
W i t h t h e headlamp switch i n t h e O F F or P a r k po-
sition, there should be 12 volts a t t e r m i n a l B O N L Y .
W i t h t h e headlamp switch O N a n d t h e d i m m e r
switch i n H I G H B E A M position, there should be 12
volts a t t e r m i n a l s A , B , and D .
W i t h t h e headlamp switch i n t h e L O W BEiCM po-
sition there should be 12 volts a t t e r m i n a l s A , B , and
c .
W i t h t h e d i m m e r switch held i n t h e Flash t o Pass
position, there should be 12 volts o n a l l four t e r m i -
nals.
STEERING
WHEEL
CONNECTOR REMOVED
FROM DIMMER SWITCH
PR674 A
Fig. 2 Dimmer Switch Wiring Harness
o I
C
D
A RB
ID
C
D
VIEWED FROM WIRE END OF CONNECTOR
HIGH BEAM
POSITION
LOW BEAM
POSITION
J908L-71
Fig. 3 Dimmer Switch Test Points
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