Heated Rear Window With Custom Air Conditioning; Heated Rear Window With Automatic Temperature Control A/C - Pontiac Grand Prix Service Manual

ACCESSORIES
15-19
HEATED REAR WINDOW WITH CUSTOM AIR CONDITIONING
DEFOGGER SWITCH
NOTE: WlTH THlS COMBINATION OF OPTIONS
(HEATED REAR WINDOW WlTH CUSTOM AIR
CONDITIONING), TWO RELAYS ARE INSTALLED
ON THE COWL JUST BEHIND THE ENGINE. THE
THE U C HI-BLOWER RELAY (NOT PICTURED
HERE) HAS THREE TERMINALS. THE BLOWER
CONNECTION
OVER-RIDE RELAY HAS FOUR TERMINALS. THE
FUNCTION OF THE BLOWER OVER-RIDE RELAY
IS TO PREVENT THE A/C BLOWER FROM
-
OREEN
7
OPERATING AT A SPEED HIGHER THAN LO
BROWN
---
' I
WHENEVER THE HEATED REAR WINDOW IS
I
1
OPERATED ON HI.
OVER-RIDE RELAY
1
HEATED WINDOW RELAY
(AT REAR SEAT BRACE
RED CONNECTORS
GROUND AT RH
GRIDS
ROOF SAIL AREA
HEATED REAR WINDOW WlTH AUTOMATIC TEMPERATURE CONTROL A/C
NOTE: WlTH THlS COMBINATION OF OPTIONS
(HEATED WINDOW AND ATC UC), THREE RELAYS
ARE INSTALLED ON THE COWL JUST BEHIND
THE ENGINE. THE U C HI-BLOWER RELAY (NOT
PICTURED HERE) HAS THREE TERMINALS. THE
U C MUTER RELAY (NOT PICTURED HERE) M D
THE BLOWER OVER-RIDE RELAY HAVE FOUR
TERMINALS EACH AND ARE INTERCHANGEABLE.
THEY CAN BE RECOGNIZED BY THE WIRE
COLORS OF THEIR CONNECTORS THE FUNCTION
OREEN
7
OF THE BLOWER OVER-RIDE RELAY IS TO -
-BROWN
- -
-
1
PREVENT THE U C BLOWER FROM OPERATING
BLOWER
I
I
AT A SPEED HIGHER THAN LO WHENEVER THE
OVER-RIDE RELAY
HEATED REAR WINDOW IS OPERATED ON HI.
1
HEATED WINDOW RLUY
(AT REAR SEAT BMCL
BROWN/WHITE
STRIPE
-
TO PROGRAMMER
I
L----
GROUND AT RH
BLOWER RESISTOR GRIDS
ROOF SAIL AREA
Fig. 1532 Heated Rear Window
-
Grand Prix