Table 4
–
Wire Color Chart
Micro-Air
Connector
Original
thermostat wire
color
Micro-Air harness color
Function
Factory harness
color (Provided to
write in your color)
2
-
p
in
co
n
n
ect
o
r
Green/White
Stripe
Green/White Stripe
Room Sensor
Green/White
Stripe
Green/White Stripe
Room Sensor
9
-p
in
c
o
n
n
ect
o
r
Gray
Pin No.
Gray
Freeze
Sensor
1
Red
2
Red
+ 12 VDC Out
Gray
3
Gray
Freeze
Sensor
Green
3
Gray
AGS
Blue
4
Blue
- 12 VDC
(Ground) Out
Yellow
5
Yellow
Compressor
1
Orange
6
Orange
Compressor
2
Black
7
Black
Indoor Fan
High
White/Black
Stripe
8
White/Black
Stripe
Electric Heat
Purple
9
Purple
Indoor Fan
Low
3
-p
in
Co
n
n
ec
to
r
4
-p
in
Co
n
n
ec
to
r
Red or Red/White
Stripe
1
Red/White Stripe
+ 12 VDC In
Blue or
Blue/White Stripe
2
Blue/White Stripe
- 12 VDC
(Ground) In
White
3
White
Gas Heat 1
Orange/White
Stripe
4
Orange/White
Stripe
Gas Heat 2
