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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1221 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)REPAIR INSTRUCTIONSBATTERY NEGATIVE CABLE REPLACEMENT (6.6L)REMOVAL PROCEDURE
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Removal Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Removal Procedure
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Refer to Battery Disconnect Caution.
    Fig 1: View Of Negative Battery Cable, Clip, Wiring Harness Ground & Bolt
    GM1873887Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (w/Single Battery)  or Battery Negative Cable Disconnection and Connection (w/Auxiliary Battery)  or Battery Negative Cable Disconnection and Connection (w/Dual Batteries) .
  2. Remove the negative battery cable clip (1) from the positive and negative cable bracket.
  3. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  4. Remove the engine wiring harness ground bolt (3).
  5. Reposition the engine wiring harness ground (4) and remove the negative battery cable (2) from the engine block.
    6. Fig 2: View Of Negative Battery Cable
    GM1873888Courtesy of GENERAL MOTORS CORP.
  6. Lower the vehicle.
  7. Remove the negative battery cable from the vehicle.
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.