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HVAC Control Module X1

Fig 1: Connector End View Hvac Control Module X1
GM1664585Courtesy of GENERAL MOTORS COMPANY
HVAC Control Module X1

Pin Wire Circuit Function
1 0.35 GY 705 5-Volt Reference
2-3 - - Not Used
4 0.35 D-GN 5060 Low Speed GMLAN Serial Data
5 - - Not Used
6 0.35 BN 247 Medium Blower Motor Control
7-8 - - Not Used
9 0.35 RD/WH 340 Battery Positive Voltage
10 0.35 YE 61 Low Reference
11 0.35 BK/WH 451 Ground
12-15 - - Not Used
16 0.5 GY/BK 754 Blower Motor Speed Control
17 - - Not Used
18 0.35 PK 1539 Run/Crank Ignition 1 Voltage
Connector Part Information
  • Harness Type: Instrument Panel
  • OEM Connector: 7283-4544-30
  • Service Connector: 89047360
  • Description: 18-Way F 0.64 Kaizen Series (BK)
Terminal Part Information
  • Terminated Lead: 13575867
  • 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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