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HVAC Control Module X2

Fig 1: HVAC Control Module X2
GM684939Courtesy of GENERAL MOTORS CORP.
HVAC Control Module X2

Pin Wire Circuit Function
A - - Not Used
B 0.8 OG 1140 Battery Positive Voltage
C 0.35 BK 2050 Ground
D 0.35 GY 8 Instrument Panel Lamps Dimmer Switch Signal
E 0.35 PK 2216 A/C Recirculation Request Signal
F 0.35 TN 683 Rear Defog Indicator Control
G 0.35 D-GN/WH 762 A/C Request Signal
H - - Not Used
J 0.35 L-BU 292 Rear Defog Switch Signal
K 0.35 BN 41 Ignition 3 Voltage
L 0.35 BK/WH 1151 Ground
M - - Not Used
Connector Part Information 
  • Harness: Instrument Panel
  • OEM: 15336594
  • Service: 15336594
  • Description: 12-Way F Micro-Pack 100 Series (GY)
Terminal Part Information 
  • Pins: B, L
  • Terminal/Tray: 12146448/19
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)
  • Pins: C-K
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)
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