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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 3.0 OG 52 Blower Motor High Control
2 2.0 L-BU 72 Medium 2 Blower Motor Control
3 2.0 TN 63 Blower Motor Medium Control (1)
4 2.0 YE 60 Blower Motor Low Control
5 3.0 BK 550 Ground
Connector Part Information 
  • OEM: 1534390-1
  • Service: 88988350
  • Description: 5-Way F Power Timer Series (BK)
Terminal Part Information 
  • Pins: 1, 5
  • Terminal/Tray: 964328-1/25
  • Core/Insulation Crimp: 4/B
  • Release Tool/Test Probe: 12093647/J-35616-40 (BU)
  • Pins: 2, 3, 4
  • Terminal/Tray: 927837-1/25
  • Core/Insulation Crimp: C/A
  • Release Tool/Test Probe: 12093647/J-35616-40 (BU)
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