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HVAC Control Module X1

Fig 1: Connector End View Hvac Control Module X1
GM1664553Courtesy of GENERAL MOTORS CORP.
HVAC Control Module X1

Pin Wire Circuit Function
1-3 - - Not Used
4 0.35 D-GN 734 Inside Air Temperature Sensor Signal (CJ2)
5 0.35 GY 1548 Passenger Sunload Sensor Signal (CJ2)
6-7 - - Not Used
8 0.5 PK 2145 Air Temperature Switch Signal - Right (C67)
0.5 PU/WH 760 Auxiliary Blower Motor Speed Control (CJ2 without ULD)
9 0.5 OG 2615 Auxiliary Mode Door Control (without ULD)
10 0.5 YE 2214 Auxiliary Air Temperature Door Control (without ULD)
11-14 - - Not Used
15 0.35 L-BU/BK 590 Driver Sunload Sensor Signal (CJ2)
16 0.35 TN 516 Upper Left Air Temperature Sensor Signal (CJ2)
17 0.35 TN 517 Upper Right Air Temperature Sensor Signal (CJ2)
18 0.5 GY 2599 Auxiliary Mode Door Control (C67)
0.5 PK 2145 Air Temperature Switch Signal - Right (CJ2)
19 0.5 PU/WH 760 Auxiliary Blower Motor Speed Control (C67 without ULD)
0.5 GY 2599 Auxiliary Mode Door Control (CJ2)
20 - - Not Used
Connector Part Information
  • Harness Type: Instrument Panel
  • OEM Connector: 31410-1202
  • Service Connector: 15126709
  • Description: 20-Way F 64 Series, Sealed (BN)
Terminal Part Information
  • Terminated Lead: 13575845
  • Release Tool: J-38125-215A
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: SAIT-A03T-M064/14
  • Core/Insulation Crimp: P/P
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