LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2013 >> Sierra 1500 XFE >> Repair and Diagnosis >> External Pages >> Different car >> Section 1899 (Wiring Systems And Power Management - Component Connector End Views - Engine Control Module (ECM) X3 (Hp2) To Fuel Injector 7 (Diesel)) >> Component Connector End Views >> Engine Control Module (ECM) X3 (L96) Connector End View

Engine Control Module (ECM) X3 (L96) Connector End View

WARNING: This page is about a different car, the 2011 GMC Sierra, 2011 GMC Cab & Chassis Sierra, 2011 Chevrolet Silverado, and 2011 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Control Module (ECM) X3 (L96) Connector End View
GM1590596Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) X3 (L96)

Pin Wire Circuit Function
1-9 - - Not Available
10 0.5 D-GN/WH 428 EVAP Canister Purge Solenoid Control
11-15 - - Not Available
16 0.5 OG/WH 3223 HO2S Heater Low Control Bank 2 Sensor 2
17 0.5 GY 23 Generator Field Duty Cycle Signal
18-26 - - Not Available
27 0.35 TN/BK 6049 Low Reference
28 0.5 GY 2704 5-Volt Reference 3
29 0.5 OG/BK 469 Low Reference
30 0.5 TN 2761 Low Reference
31 - - Not Available
32 0.5 GY/WH 3122 HO2S Heater Low Control Bank 2 Sensor 1
33-42 - - Not Available
43 0.35 GY 2709 5-Volt Reference 1
44 0.5 YE 410 ECT Sensor Signal
45 0.5 L-GN 432 MAP Sensor Signal
47 - - Not Available
48 0.5 PU/WH 821 VSS High Signal (MYD with NQF or NQG)
49 0.5 L-GN/BK 822 VSS Low Signal (MYD with NQF or NQG)
50-54 - - Not Available
55 0.35 OG/BK 6399 Replicated TOS Signal (except NQF or NQG)
56-62 - - Not Available
63 0.35 D-GN 890 Fuel Tank Pressure Sensor Signal
64 0.35 PU 1589 Fuel Level Sensor Signal - Primary
65 0.5 PU 1670 HO2S High Signal Bank 2 Sensor 2
66 0.5 TN 1671 HO2S Low Signal Bank 2 Sensor 2
67 0.5 PU/WH 1668 HO2S High Signal Bank 1 Sensor 2
68 0.5 TN/WH 1669 HO2S Low Signal Bank 1 Sensor 2
69-73 - - Not Available
Connector Part Information 
  • Harness: Engine
  • OEM: 15497996
  • Service: 88988372
  • Description: 73-Way F 64/2.8 Series, Sealed (BK)
Terminal Part Information 
  • Pins: 27, 43-44, 55, 63-64
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
  • Pins: 10, 16-17, 28-30, 32, 45-46, 48-49, 65-68
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
scientia non olet · About LEMON Manuals