HVAC Connector End Views. Chevrolet Astro

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 1999 🢒 Astro - 2WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 HVAC Connector End Views

Table 1:	A/C Resistor Pack Rear Connector
Table 2:	Air Conditioning Clutch
Table 3:	Air Conditioning High Pressure Cut-Off Switch
Table 4:	Air Conditioning Low Pressure Cut-Off Switch
Table 5:	Air Conditioning Switch Rear Connector
Table 6:	Blower Motor (C1) A/C Rear Connector
Table 7:	Blower Motor (C2) A/C Rear Connector
Table 8:	Blower Motor (C1) Heater Rear Connector
Table 9:	Blower Motor (C2) A/C Rear Connector
Table 10:	Blower Motor (C2) Heater Rear
Table 11:	Blower Motor Resistor and Relay Pack Connector
Table 12:	Heater and A/C Control Module (C1) Connector
Table 13:	Heater and A/C Control Module (C2) Connector
Table 14:	Heater and Air Conditioning Control Valve Solenoid (C3)
Table 15:	Heater Resistor Pack Rear Connector
Table 16:	Heater Switch Rear Connector
Table 17:	HVAC Control Module (C1) Connector)
Table 18:	Temperature Control Motor Connector

A/C Resistor Pack Rear Connector

Connector Part Information

•

02977940

•	3-Way 56 Series (BLK)

Wire Color

Circuit No.

Function

LT BLU

1072

Auxiliary Blower Resistor Output - Medium

ORN

1052

Auxiliary Blower Motor Output

YEL

1176

Auxiliary Blower Motor Resistor Output - Low

Air Conditioning Clutch

Connector Part Information

•

12162017

•	2-Way Metri Pack Series 150 (GRY)

Wire Color

Circuit No.

Function

BLK

850

Ground

DK GRN

Air conditioning compressor clutch solenoid feed

Air Conditioning High Pressure Cut-Off Switch

Connector Part Information

•

12162438

•	2-Way Metri Pack Series 150 (BLK)

Wire Color

Circuit No.

Function

DK GRN/WHT

762

Air conditioning request signal

LT GRN

Air conditioning switch output

Air Conditioning Low Pressure Cut-Off Switch

Connector Part Information

•

12052644

•	2-Way Metri Pack Series 150 (BLK)

Wire Color

Circuit No.

Function

BLK

850

Ground

DK GRN

603

Air conditioning refrigerant low pressure cut-out switch output

Air Conditioning Switch Rear Connector

Connector Part Information

•

12089287

•	8 Way F Metri Pack Series 280 (NAT)

Wire Color

Circuit No.

Function

ORN

1052

Auxiliary blower motor output

LT BLU

1072

Auxiliary blower resistor output - medium

C-D

Not Used

BLK

750

Ground

YEL

1176

Auxiliary blower motor resistor output - low

ORN

1923

Auxiliary HVAC switch feed

GRY

Instrument panel lamp feed

Blower Motor (C1) A/C Rear Connector

Connector Part Information

•

12004267

•	1-Way Female 56 Series (BLK)

Wire Color

Circuit No.

Function

BLK

1250

Ground

Blower Motor (C2) A/C Rear Connector

Connector Part Information

•

02977976

•	1-Way Female 56 Series (BLK)

Wire Color

Circuit No.

Function

ORN

1052

Auxiliary Blower Motor Output

Blower Motor (C1) Heater Rear Connector

Connector Part Information

•

12004267

•	1-Way Female 56 Series (BLK)

Wire Color

Circuit No.

Function

BLK

1150

GROUND

Blower Motor (C2) A/C Rear Connector

Connector Part Information

•

02977976

•	1-Way Female 56 Series (BLK)

Wire Color

Circuit No.

Function

ORN

1052

Auxiliary Blower Motor Output

Blower Motor (C2) Heater Rear

Connector Part Information

•

12040673

•	1-Way Female 800 Series (BLK)

Wire Color

Circuit No.

Function

YEL

1172

Auxiliary Blower Motor Feed

Blower Motor Resistor and Relay Pack Connector

Connector Part Information

•

12160746

•	6-Way Female Metri Pack Series 280 FLX LK (LT GRY)

Wire Color

Circuit No.

Function

RED

542

Fuse output - battery - type II fuse

ORN

Blower switch output - high

BLK

350

Ground

TAN

Blower Switch output - medium 1

YEL

Blower switch output - low

LT BLU

Blower switch output - medium 2

Heater and A/C Control Module (C1) Connector

Connector Part Information

•

12052856

•	4-Way Female M/P 280 (BLK)

Wire Color

Circuit No.

Function

RED

1442

Fuse Output Battery Type 2 Fuse

BRN

141

Fuse Output Ignition 3 Type 3 Fuse

BLK

1050

Ground

PPL

293

Rear Defogger Element Feed

Heater and A/C Control Module (C2) Connector

Connector Part Information

•

12064998

•	8-Way Female M/P 280 (BLK)

Wire Color

Circuit No.

Function

YEL

Blower Switch Output Low

TAN

Blower Switch Output Medium 1

LT BLU

Blower Switch Output Medium 2

ORN

Blower Switch Output High

BRN

141

Fuse Output Ignition 3 Type 3 Fuse

LT BLU

733

Air Temperature Valve Position Sensor Signal

WHT

119

Mode Switch Output

LT GRN

A/C Switch Output

Heater and Air Conditioning Control Valve Solenoid (C3)

Connector Part Information

•

12129489

•	3-Way Metri Pack 280 Series (BLK)

Wire Color

Circuit No.

Function

WHT

119

Mode switch output

BLK

1050

Ground

GRY

Instrument panel lamp feed

Heater Resistor Pack Rear Connector

Connector Part Information

•

12077384

•	3-Way F 56 Series (BLK)

Wire Color

Circuit No.

Function

RED

1925

Auxiliary HVAC Switch Output - Medium

YEL/WHT

1924

Auxiliary Blower Motor Feed

DK BLU

1926

Auxiliary HVAC Switch Output - Low

Heater Switch Rear Connector

Connector Part Information

•

12162066

•	8-Way Female M/P 280 Series (GRY)

Wire Color

Circuit No.

Function

WHT

1924

Auxiliary HVAC Switch Output High

RED

1925

Auxiliary HVAC Switch output Medium

GRY/BLK

1595

Heater Water Control Solenoid Output

Not Used

BLK

750

Ground

DK BLU

1926

Auxiliary HVAC Switch Output Low

ORN

1923

Auxiliary HVAC Switch Feed

GRY

Instrument Panel Lamp Feed

HVAC Control Module (C1) Connector)

Connector Part Information

•

12052856

•	4-Way Metri Pack Series 280 (BLK)

Wire Color

Circuit No.

Function

ORN

1440

Fuse output - battery - type III fuse

BRN

141

Fuse output - ignition 3 - type III fuse

BLK

1050

Ground

PPL

293

Rear defogger element feed

Temperature Control Motor Connector

Connector Part Information

•

12040953

•	6-Way F Micro Pack Series 100 (BLK)

Wire Color

Circuit No.

Function

5-6

Not Used

BLK

1050

Ground

LT BLU

733

Air temperature valve position sensor signal

Not Used

BRN

141

Fuse output ignition 3 - type III fuse