Passlock Sensor

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Passlock Sensor
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2007 GMC Savana Special, 2007 GMC Savana Camper Special, 2007 GMC Savana, 2007 Chevrolet RV Cutaway, and 2007 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Passlock Sensor Connector End View
GM812599Courtesy of GENERAL MOTORS CORP.
Passlock Sensor Connector & Terminal Parts Information

Connector Part Information 
  • OEM: 50-57-9403
  • Service: See Catalog
  • Description: 3-Way F 70066 Series (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
Passlock Sensor Terminal Identification

Pin Wire Color Circuit No. Function
1 YE 1836 Security System Sensor Signal
2 TN 1835 Security System Sensor Low Reference
3 OG/WH 812 12-Volt Reference
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.