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Home >> Chevrolet >> 2007 >> Silverado Classic 1500 HD, 4WD >> Repair and Diagnosis >> Electrical >> Body Electrical >> OEM Connector End Views - Engine Control Module, Engine Controls, Engine Electrical >> Engine Electrical Connector End Views >> Energy Storage Control Module (ESCM) Connector End View C1 (HP2)
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Energy Storage Control Module (ESCM) Connector End View C1 (HP2)

Fig 1: Energy Storage Control Module (ESCM) C1 Connector End View (HP2)
GM1457326Courtesy of GENERAL MOTORS CORP.
Energy Storage Control Module (ESCM) C1 Connector Part Information (HP2)

Connector Part Information 
  • OEM: 967224-C1
  • Service: See Catalog
  • Description: 30-Way F (BK)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
Energy Storage Control Module (ESCM) C1 Connector Terminal Identification (HP2)

Pin Wire Color Circuit No. Function
1 WH 1-NTC-1 Temperature Sensor Signal - 1
2 WH 1-NTC-2 Temperature Sensor Signal - 2
3-7 - - Not Used
8 WH 2-BCO BCO Control - A
9 WH 4-BCO BCO Control - B
10 WH 2-BCO BCO Status
11 WH 1-BCO Ground
12 WH 2-CS Current Sensor Signal - B
13 WH 3-CS Compensating Coil Voltage
14 WH 5-BCO Battery Positive Voltage
15 WH 2-FAN Low Reference
16 - - Not Used
17 WH 2-NTC-2 Low Reference
18 WH 2-NTC-1 Low Reference
19 WH 2-NTC-3 Low Reference
20 WH 1-NTC-3 Temperature Sensor Signal - 3
21 WH 1-R2 Voltage Sensor Signal - 2
22 - - Not Used
23 WH 1-R1 Voltage Sensor Signal - 1
24 WH 1-R4 Voltage Sensor Signal - 4
25 WH 1-R3 Voltage Sensor Signal - 3
26 - - Not Used
27 WH 1-CS Current Sensor Signal - A
28 WH 4-CS Low Reference
29 WH 4-FAN 5-Volt Reference
30 WH 1-FAN Fan Speed Signal
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