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HVAC Control Module X1

Fig 1: HVAC Control Module X1 Connector End View
GM1567536Courtesy of GENERAL MOTORS CORP.
HVAC Control Module X1

Pin Wire Circuit Function
1 0.5 OG 52 High Blower Motor Control
2 2 L-BU 72 Medium 2 Blower Motor Control
3 2 TN 63 Medium Blower Motor Control
4 2 YE 60 Low Blower Motor Control
5 3 BK 2050 Ground (LHD)
3 BK 850 Ground (RHD)
Connector Part Information 
  • OEM: 1534390-1
  • Service: 88988350
  • Description: 5-Way F Standard Power Timer (BK)
Terminal Part Information 
  • Terminal/Tray: See Terminal Kit
  • Core/Insulation Crimp: See Terminal Kit
  • Release Tool/Test Probe: See Terminal Kit
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