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K16 Battery Energy Control Module X1

GM2548334
Connector Part Information
  • Harness Type: Contactor Assembly
  • OEM Connector: ALTPB-21-2BH
  • Service Connector: Service by Part Assembly - See Part Catalog
  • Description: 21-Way F (GY)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool Service Terminal Tray Core Crimp Insulation Crimp
I Service by Part Assembly - See Part Catalog Not Available Not Available Not Available Not Available Not Available Not Available
K16 Battery Energy Control Module X1

Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 BK 2050 Ground I -
2 0.5 RD 1640 Battery Positive Voltage I -
3 0.5 WH/BK - Data Communication (-) I -
4 0.5 L-BU - Data Communication (+) I -
5 0.5 OG - Coolant Inlet Temperature Sensor (+) I -
6 0.5 YE - Coolant Inlet Temperature Sensor (-) I -
7 0.5 L-BU - Coolant Outlet Temperature Sensor (+) I -
8 0.5 VT - Coolant Outlet Temperature Sensor (-) I -
9 0.5 BK - Case Ground I -
10 0.5 GY 2501 High Speed GMLAN Serial Data (-) (1) I -
11 0.5 WH 2501 High Speed GMLAN Serial Data (-) (1) I -
12 0.5 PK 2500 High Speed GMLAN Serial Data (+) (1) I -
13 0.5 TN 2500 High Speed GMLAN Serial Data (+) (1) I -
14 0.5 BN/RD 3977 Accessory Wakeup Serial Data 2 I -
15 0.5 OG/YE 139 Run/Crank Ignition 1 Voltage I -
16 0.5 L-GN/L-BU 3787 High Voltage Energy Management Communication Enable I -
17-20 - - - Not Occupied - -
21 0.5 VT/GY 5139 High Voltage Fault Signal I -