K33 HVAC Control Module X3
 Courtesy of GENERAL MOTORS COMPANY
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Connector Part Information
- Harness Type: Heater Control Vacuum Wiring Harness
- OEM Connector: 31410-1200
- Service Connector: Service by Harness - See Part Catalog
- Description: 20-Way F 0.64 Series (BK)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
| I |
Not required |
J-35616-64B (L-BU) |
No Tool Required |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.35 |
RD / GN |
899 |
PTC Heater Relay Control 2 |
I |
C60 |
| 2 |
0.35 |
RD / BK |
2197 |
PTC Heater Relay Coil Control |
I |
C60 |
| 3 |
- |
- |
- |
Not Occupied |
- |
- |
| 4 |
0.35 |
GN |
1648 |
Air Inlet Door Recirculation Control |
I |
C60 |
| 5 |
0.35 |
YE |
1647 |
Air Inlet Door Fresh Air Control |
I |
C60 |
| 6 - 14 |
- |
- |
- |
Not Occupied |
- |
- |
| 15 |
0.35 |
WH / PK |
404 |
Upper Duct Air Temperature Sensor Signal |
I |
C60 |
| 16 |
0.35 |
BK |
407 |
Sensor Low Reference |
I |
C60 |
| 17 - 20 |
- |
- |
- |
Not Occupied |
- |
- |