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HOMESERVICE MANUALSISUZU2006ASCENDER S, 5.3 M, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 110 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)COMPONENT LOCATORENTERTAINMENT/COMMUNICATION CONNECTORSONSTAR C1
2006 Isuzu Ascender S, 5.3 M, 4WD

OnStar C1

2006 Isuzu Ascender S, 5.3 M, 4WDSECTION OnStar C1
WARNING: This page is about a different car, the 2007 Pontiac Torrent and 2007 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: OnStar C1 Connector End View
GM814530Courtesy of GENERAL MOTORS CORP.
OnStar C1 Connector Parts Information

Connector Part Information 
  • OEM: 917981-1
  • Service: 15306351
  • Description: 16-Way F .040/.070 Hybrid (WH)
Terminal Part Information 
  • Pins: 10, 12, 13, 14, 15
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
  • Pins: 1, 2, 3, 6, 11, 7
  • Terminal/Tray: 175266-5/15
  • Core/Insulation Crimp: Pins 1, 2, 3, 6, 11 - J/J
  • Core/Insulation Crimp: Pins 7 - K/K
  • Release Tool/Test Probe: 15315247/J-35616-16 (L-GN)
OnStar C1 Connector Terminal Identification

Pin Wire Color Circuit No. Function
1 D-GN 5060 Low Speed GMLAN Serial Data
2 BN/WH 2517 Keypad Red LED Signal
3 YE/BK 2516 Keypad Green LED Signal
6 L-GN/BK 2515 Keypad Supply Voltage
7 BK/WH 1551 Ground
10 TN/BK 2500 High Speed GMLAN Serial Data Bus+
11 D-GN/WH 2514 Keypad Signal
12 TN 2501 High Speed GMLAN Serial Data Bus-
13 GY/BK 5167 Not Available
14 RD/WH 5235 Not Available
15 RD/WH 1140 Battery Positive Voltage
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.