Heater/Air Conditioner

From 10/84 to 08/85:

As of 09/85:

A Vacuum output
B Positive ventilation
E Vacuum input
S24 Fresh/recirculating air switch
S3 Air volume slide switch with vacuum switch
30 Vacuum connection on intake manifold
31 Check valve
33 Vacuum element for the fresh air/recirculated air flap (2-stage)
34 Evaporator housing
35 3-point vacuum distributor
a Connection to left hand heater switch for vacuum water valve

Arrow, white = Fresh air
Arrow, black = Recirculated air

Color Code:
bl = blue
hbl = light blue
drt = dark red
ge = yellow
mgn = medium green
gr = gray
rt = red
ws = white
sw = black
dgn = dark green