Resister On
Blower
L
C
M
B
H
L
C
M
B
H
87
87a
86
85
30
87
87a
86
85
30
Blue
White
Purple
Ground
White
Ground
Wiring Diagram
Gen II Mini Units—Heat/Cool/Defrost
Blue
Black
Black
Orange
Orange
Orange
Orange
Purple
Blue
Power
Relay
Mode
Switch
Fan Speed
Switch
Yellow
Yellow
White
Control Module
Ground
Black
Re
d
Black/White
White/Or
ange
White/Blue
White/Brown
White/R
ed
Heater Contol
Valve Servo
(Rear View of Plug)
Note Orientation
of Plugs
Floor/Vent
Servo
(Rear View of Plug)
Defrost
Servo
(Rear View
of Plug)
Or
ange
Brown
Lt.
Blue
Purple
Grey
Connect to
Key on Ignition
Source (5 Amp Fuse)
30 Amp
circuit
breaker
Aux.
Heater Control
Valve
Potentiometer
Bat.
To Battery or
Battery Terminal
on Starter Solenoid.
White
Spal Type
Blower
Motor
Red
Red
Red
Red
(optional)
For Defrost
Only!
(optional)
For Defrost
Only!
Pink
Blue
Yellow
Green
Red/White
White/Yellow
Grey/Black
Red/White
White/Yellow
Grey/Black
(Optional) Compressor
Safety Switch
(Binary Type)
A/C
Clutch
A/C
Thermostat
High
Blower
Relay
