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Home >> Chevrolet >> 2007 >> Chevy Express G3500, Van Passenger Extended >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> OEM Connector End Views (2 Of 4) >> Engine Control Module Connector End Views (6.6L LMM) >> Engine Control Module (ECM) Connector End View - C2

Engine Control Module (ECM) Connector End View - C2

Fig 1: Engine Control Module (ECM) - C2 Connector End View
GM1544260Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) - C2 Connector & Terminal Parts Information

Connector Part Information 
  • OEM: 15462694
  • Service: 88988935
  • Description: 58-Way F Mixed Series, Sealed (BK)
Terminal Part Information 
  • Pins: 1-6
  • Terminal/Tray: 1928498059/24
  • Core/Insulation Crimp: C/5
  • Release Tool/Test Probe: J-38125-561/J-35616- 4A (PU)
  • Pins: 7, 26, 28
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
  • Pins: 9, 12, 15-17, 19, 21-25, 29, 30-34, 36, 38-41, 44-49, 54, 56, 57
  • Terminal/Tray: 1928498135/19
  • Core/Insulation Crimp: Pins 9, 12, 15-17, 19, 22, 25, 29-34, 36, 39-41, 44-49, 54, 56, 57 - P/P
  • Core/Insulation Crimp: Pins 21-24, 38 - See Terminal Repair Kit
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
Engine Control Module (ECM) - C2 Terminal Identification

Pin Wire Color Circuit No. Function
1 RD/WH 740 Ignition 1 Voltage
2 BK/WH 1551 Ground
3 RD/WH 740 Ignition 1 Voltage
4 BK/WH 1551 Ground
5 RD/WH 740 Ignition 1 Voltage
6 BK/WH 1551 Ground
7 BN 582 AI Motor Control 2
8 - - Not Used
9 D-GN 1049 Class 2 Serial Data
10-11 - - Not Used
12 TN 1465 Fuel Pump Relay Control
13-14 - - Not Used
15 WH/BK 1164 5-Volt Reference 3
16 D-BU 507 Wait to Start Indicator Control
17 OG 2013 High Idle Indicator Control
18 - - Not Used
19 YE 5991 ECM Relay Control
20 YE 581 AI Motor Control 1
21 PK 439 Ignition 1 Voltage
22 PU 420 TCC Brake Switch/Cruise Control Release Signal
23 OG 225 Generator Turn On Signal
24 BN/WH 7076 Charge Indicator Control (KD9/YF2)
25 D-GN 603 A/C Low Pressure Switch Signal (C60)
26-28 - - Not Used
29 BN 1271 Low Reference
30 BN/WH 419 MIL Control
31 D-GN/WH 459 A/C Compressor Clutch Relay Control (C60)
32 YE/BK 625 Starter Enable Relay Control
33 OG/BK 5764 EGR Motor High Control
34 TN 2759 Low Reference
35 - - Not Used
36 PU 1589 Fuel Level Sensor Signal
37 - - Not Used
38 GY 23 Generator Field Duty Cycle Signal
39 OG/BK 1786 Park/Neutral Signal
40 L-BU 1320 Stop Lamp Switch Signal (Cutaway) or CHMSL Supply Voltage/Stop Lamp Supply Voltage
41 D-BU 6863 Low Reference
42-43 - - Not Used
44 TN 2501 High Speed GMLAN Serial Data Bus (-)
45 L-BU 2221 Signal High - Rear
46 L-GN/BK 5746 EGR Motor Low Control
47 BN 6062 Low Reference
48 YE 1578 Fuel Temperature Sensor Signal
49 D-BU 1161 APP Sensor 1 Signal
50-53 - - Not Used
54 YE/BK 1827 Vehicle Speed Signal
55 - - Not Used
56 PK 1020 Ignition 0 Voltage
57 TN/BK 2500 High Speed GMLAN Serial Data Bus (+)
58 - - Not Used
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