HEATED SYSTEMS
TAB LE O F CO NTE NTS
page page
HEA TED GLASS ........................... 1
HEATED MIRRORS......................... 9
HEA TED SEA TS . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
HEATED GLASS
TABLE OF CONTENTS
page page
HEATED GLASS
DESCRIPTION ..........................1
OPERATION ............................1
DIAGNOSIS AND TESTING
ELECTRIC BACKLIGHT (EBL) SYSTEM .....2
REAR WINDOW DEFOGGER RELAY
DESCRIPTION ..........................3
OPERATION ............................3
REMOVAL .............................4
INSTALLATION ..........................4
REAR WINDOW DEFOGGER SWITCH
DESCRIPTION ..........................4
OPERATION ............................4
DIAGNOSIS AND TESTING
REAR WINDOW DEFOGGER SWITCH ......5
REMOVAL .............................6
INSTALLATION ..........................6
REAR WINDOW DEFOGGER GRID
STANDARD PROCEDURE
GRID LINE AND TERMINAL REPAIR ........7
HEATED GLASS
DESCRIPTION
CAUTION: Grid lines can be damaged or scraped
off with sharp instruments. Care should be taken in
cleaning glass or removing foreign materials,
decals or stickers. Normal glass cleaning solvents
or hot water used with rags or toweling is recom-
mended.
The rear window defogger system , also known as
the electric backlight (EBL), consists of a ba ckglass
with two vertical bus ba rs linked by a ser ies of grid
lin es fired onto th e inside surface of the rea r window.
The EBL system is turned On or Off by a con trol
switch (F ig. 1) located in the instr umen t pa nel near
the right side of the st eerin g wh eel, wh ich sends a
request signal to th e rear window defogger module
that oper ates the left and right rear win dow defogger
rela ys located in the fuse/relay block under the dr iv-
er s s ea t .
Circu it protection is provided by a 30 amp fu se
also located in the fuse/relay block.
OPERATION
When th e rear window defogger switch is pressed
to the On position, cu rren t is direct ed t hrough the
switch to th e r ear win dow defogger module. The rea r
window defogger modu le th en groun ds th e contr ol
side of the left and right rea r win dow defogger (EBL)
Fig. 1 Rear Window Defogger Switch
1 - REAR WINDOW DEFOGGER SWITCH
2 - INSTRUMENT PANEL
VA HEA TED SYSTEMS 8G - 1
To Next Page