LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2013 >> Impala LS >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Wiring Systems And Power Management - Component Connector End Views - Heated Seat Control Module X2 To Yaw Sensor >> Component Connector End Views >> HVAC Control Module X1
April 5, 2026: LEMON Manuals is launched! Read the announcement.

HVAC Control Module X1

GM1673527Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Instrument Panel
  • OEM Connector: 15429808
  • Service Connector: 88988804
  • Description: 16-Way F Mirco-Pack 64 Series (BU)
Terminal Part Information
  • Terminated Lead: 13575535
  • Release Tool: J-38125-21
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 15359541/4
  • Core/Insulation Crimp: M/M
HVAC Control Module X1

Pin Wire Circuit Function
1 0.35 PU/WH 1382 LED Dimming Supply
2 0.35 PK 1139 Ignition 1 Voltage
3 0.5 BK/WH 1551 Ground
4 0.35 RD/WH 1840 Battery Positive Voltage
5-6 - - Not Used
7 0.5 PK 7574 A/C Compressor Solenoid Control
8 0.35 WH 193 Rear Defog Relay Control
9 0.35 L-GN/BK 735 Ambient Air Temperature Sensor Signal
10 0.5 BK 1450 Ground
11 - - Not Used
12 0.35 YE 61 Low Reference
13 0.35 L-GN/WH 5060 Low Speed GMLAN Serial Data
14 0.5 TN 7573 A/C Compressor Solenoid Voltage Supply
15-16 - - Not Used