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Junction Block - I/P C4

Fig 1: Junction Block - I/P C4 Connector End View
GM655757Courtesy of GENERAL MOTORS CORP.
Junction Block - I/P C4 Connector Parts Information

Connector Part Information 
  • OEM: 12194037
  • Service: See Catalog
  • Description: 12-Way F Metri-Pack 280 Series Flexlock (BN)
Terminal Part Information 
  • Pins: A-F, H, J, L, M
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
Junction Block - I/P C4 Connector Terminal Identification

Pin Wire Color Circuit No. Function
A BK 1050 Ground
B GY/BK 2337 Lower Right Air Temperature Sensor Signal
C BN 718 Low Reference
BN 718 Low Reference
D RD 542 Battery Positive Voltage
E PU 1838 Recirculation Door Position Signal
F PU/WH 760 Blower Motor Speed Control
G - - Not Used
H L-BU/BK 1688 5-Volt Reference
L-BU/BK 1688 5-Volt Reference
J L-BU/BK 1688 5-Volt Reference
L-BU/BK 1688 5-Volt Reference
K - - Not Used
L YE 1791 Low Reference
YE 1791 Low Reference
M YE 1791 Low Reference
YE 1791 Low Reference