B Series Vacuum Diagram - Pontiac TRANS AM 1977 Service Manual

A U T O M A T I C T E M P E R A T U R E C O N T R O L
1
C - 3
- - -
A
BLUE
PROGRAMMER
f
DEFROST
CHECKING RELAY PORT 1
v
TO PROGRAMMER
PORT 5
, : : ,
VAC. MOTOR RED UPPER
I ~ I I -
E
MODE
TO
(;L,F
PORTZ-
TO COMPENSATOR DOOR
ENGINE
VACUUM VACUUM REGULATOR
MODE
DOOR
BLACK
TO
ENGINE
VACUUM
VACUUM
RESERVE
TANK
SELECTOR LEVER POSITION
3630
OUTSIDE A I R I R E C I R C ) * -
ATER CONTROL-VALVE
. . .
.
. .
.
. .
Fig. 1 C-4 B Series Vacuum Diagram
Remove programmer (3 screws). Pull temperature doors threaded operating rod toward
Re-install programmer.
yourself to hear door seating in "full" heat position.
Connect sensor hose and vacuum harness.
Snap temperture doors threaded operating rod into
With outside vacuum source, apply 10"-12" vacuum
white nylon retainer on programmer output link. See Figure
to programmer motor input port (gives you "full heat"
1C-5 and 1C-6.
position). See Figure 1 C-5.
Connect temperature cable at top of programmer
control lever and snap-in the flag to module.
Adjust temperature cable accord. to "C65
Progralnmer Temperature Cable Adjustment."
Re-install hush panel and glove compartment.