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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 621 (BATTERY)REPAIR INSTRUCTIONSBATTERY NEGATIVE CABLE REPLACEMENT (4.3L ENGINE)INSTALLATION PROCEDURE
2006 Chevrolet Suburban K2500, 6.0 U

Installation Procedure

2006 Chevrolet Suburban K2500, 6.0 USECTION Installation Procedure
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 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. Raise the vehicle.
  3. Install the negative battery cable to the cable channel.
  4. Install the forward lamp wiring harness to the frame.
    NOTE: Refer to FASTENER NOTICE .
  5. Install the forward lamp wiring harness ground/negative cable bolt (3).

    Tighten 

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

    Fig 1: Installing Forward Lamp Wiring Harness Ground/Negative Cable Bolt
    G02109349Courtesy of GENERAL MOTORS CORP.
  6. Install the negative battery cable to the battery cable clip.
  7. Install the engine wiring harness ground/negative battery cable bolt (1).

    Tighten 

    Tighten the bolt to 25 N.m (18 lb ft).

  8. Lower the vehicle.
    Fig 2: Install Engine Wiring Harness Ground/Negative Battery Cable Bolt
    G02109350Courtesy of GENERAL MOTORS CORP.
  9. If equipped, connect the accessory power fuse block front wiring harness electrical connector to the negative cable connector.
    Fig 3: Connect Accessory Power Fuse Block Front Wiring Harness Electrical Connector
    G02109351Courtesy of GENERAL MOTORS CORP.
  10. Install the battery cable bracket and bolt to the power steering pump.

    Tighten 

    Tighten the bolt to 25 N.m (18 lb ft).

  11. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery)  or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) .
    Fig 4: Install Battery Cable Bracket & Bolt
    G02109352Courtesy of GENERAL MOTORS CORP.
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.