LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hummer >> 2008 >> H3 Alpha >> Repair and Diagnosis >> Electrical >> Component Locations >> Component Locations & Connector End Views >> Component Connector End Views >> HVAC Control Module X3
April 5, 2026: LEMON Manuals is launched! Read the announcement.

HVAC Control Module X3

Fig 1: HVAC Control Module X3 Connector End View
GM73151Courtesy of GENERAL MOTORS CORP.
HVAC Control Module X3

Pin Wire Circuit Function
A 0.35 YE 1791 Low Reference
B 0.35 L-GN/BK 2276 Mode Door Position Signal
C 0.35 GY 6137 Evaporative Temperature Sensor Signal
D 0.35 D-BU 1646 Right Air Temperature Door Position Signal
E 0.35 L-BU 733 Left Air Temperature Door Position Signal
F 0.35 L-BU/BK 1688 5-Volt Reference
G 0.35 D-GN 1614 Recirculation Door Control A
H 0.35 TN/BK 2274 Recirculation Door Control B
J 0.35 L-GN 2275 Mode Door Control B
K 0.35 TN 2273 Mode/Right Air Temperature Door Control B
L 0.35 L-GN/BK 1647 Air Temperature Door A
M 0.35 D-BU 1199 Left Air Temperature Door Control B
Connector Part Information 
  • OEM: 12064799
  • Service: 15305996
  • Description: 12-Way F Micro-Pack 100 Series (BK)
Terminal Part Information 
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)
scientia non olet · About LEMON Manuals