K33 HVAC Control Module X1
 Courtesy of
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Connector Part Information
- Harness Type: Instrument Panel
- OEM Connector: 13782501
- Service Connector: 13578572
- Description: 20-Way F Micro HVT Series (BN)
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Terminal Part Information
- Terminated Lead: 13575550
- Release Tool: J-38125-559
- Diagnostic Test Probe: J-35616-16 (L-GN)
- Terminal/Tray: 15445905/23
- Core/Insulation Crimp: J/J
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K33 HVAC Control Module X1
| Pin |
Wire |
Circuit |
Function |
| 1 |
0.5 RD/WH |
3340 |
Battery Positive Voltage |
| 2 |
0.35 D-GN |
5060 |
Low Speed GMLAN Serial Data |
| 3 |
- |
- |
Not Used |
| 4 |
0.35 YE |
7531 |
Linear Interconnect Network 9 |
| 5-7 |
- |
- |
Not Used |
| 8 |
0.5 BK |
1450 |
Ground |
| 9 |
0.35 PK |
539 |
Ignition Voltage |
| 10-14 |
- |
- |
Not Used |
| 15 |
0.5 GY/BK |
754 |
Blower Motor Speed Control |
| 16-18 |
- |
- |
Not Used |
| 19 |
0.35 WH |
193 |
Rear Defog Relay Control |
| 20 |
- |
- |
Not Used |