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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 385 (BATTERY, CHARGING SYSTEM & STARTING SYSTEM)REPAIR INSTRUCTIONSBATTERY NEGATIVE CABLE REPLACEMENT (6.6L (LB7) ENGINE)INSTALLATION PROCEDURE
2006 Chevrolet Suburban C2500, 6.0 U

Installation Procedure

2006 Chevrolet Suburban C2500, 6.0 USECTION Installation Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the negative battery cable.
    2. Fig 1: View Of Negative Battery Cable (6.6L (LB7) Engine)
    GM662101Courtesy of GENERAL MOTORS CORP.
  2. Position the negative cable and forward lamp wiring harness ring terminals to the frame.

    Insert the anti-rotation tab on the forward lamp wiring harness into the hole in the frame.

    NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the forward lamp wiring harness ground/negative cable bolt.

    Tighten:  Tighten the bolt to 9 N.m (80 lb in).

  4. Position the negative cable and engine wiring harness ring terminals to the engine block.

    Position the anti-rotation tab on the negative cable in the correct location.

  5. Install the engine wiring harness ground/negative cable bolt.

    Tighten:  Tighten the bolt to 34 N.m (25 lb ft).

    6. Fig 2: View Of Negative Battery Cable Bolt (6.6L (LB7) Engine)
    GM674628Courtesy of GENERAL MOTORS CORP.
  6. Lower the vehicle.
  7. Install the negative cable clip to the clip on the positive cable.
  8. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery)  or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) .
RENDER: 1.0x

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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.