K33 HVAC Control Module X2
WARNING: This page is about a different car, the 2021 GMC Sierra 3500 HD and 2021 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
 Courtesy of GENERAL MOTORS COMPANY
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Connector Part Information
- Harness Type:Instrument Panel
- OEM Connector: 35162720
- Service Connector: 13525992
- Description: 20 -Way F 0.64 Series (BN)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
| I |
13584547 |
J-35616-64B (LT BU) |
J-38125-215A |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.35 |
RD / VT |
3340 |
Battery Positive Voltage |
I |
- |
| 2 |
0.35 |
GN |
5060 |
Low Speed GMLAN Serial Data |
I |
- |
| 3 |
- |
- |
- |
Not Occupied |
- |
- |
| 4 |
0.35 |
GN / YE |
7531 |
HVAC Control Module LIN Bus 1 |
I |
- |
| 5 |
- |
- |
- |
Not Occupied |
- |
- |
| 6 |
0.35 |
GN / BU |
4119 |
HVAC Control Module LIN Bus 2 |
I |
- |
| 7 |
0.35 |
VT |
3195 |
Auxiliary Heater Control |
I |
- |
| 8 |
0.5 |
BK |
1050 |
Ground |
I |
- |
| 9 |
0.35 |
VT / BN |
300 |
Run Ignition 3 Voltage |
I |
- |
| 10 |
0.35 |
BU / YE |
7574 |
A/C Compressor Solenoid Valve Control |
I |
- |
| 11 |
0.35 |
BU / BN |
7573 |
A/C Compressor Solenoid Valve Control |
I |
- |
| 12 - 14 |
- |
- |
- |
Not Occupied |
- |
- |
| 15 |
0.35 |
BU / GY |
754 |
Blower Motor Speed Control |
I |
- |
| 16 - 17 |
- |
- |
- |
Not Occupied |
- |
- |
| 18 |
0.35 |
BK / GN |
7567 |
Solar Sensor Low Reference |
I |
- |
| 19 |
0.5 |
BN / VT |
193 |
Rear Defogger Relay Control |
I |
- |
| 20 |
- |
- |
- |
Not Occupied |
- |
- |