SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 978 (BATTERY, CHARGING SYSTEM & STARTING SYSTEM)REPAIR INSTRUCTIONSBATTERY NEGATIVE CABLE REPLACEMENT (6.6L (LLY) ENGINE)REMOVAL PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal 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.
CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery)  or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) .
  2. Remove the negative cable clip (1) from the power steering pump bracket.
    3. Fig 1: View Of Power Steering Pump Bracket Negative Cable Clip (6.6L (LLY) Engine)
    GM1369538Courtesy of GENERAL MOTORS CORP.
  3. Remove the negative cable from the positive cable clip.
  4. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  5. Remove the negative battery cable bolt (1).
    6. Fig 2: View Of Negative Battery Cable Bolt (6.6L (LLY) Engine)
    GM1369539Courtesy of GENERAL MOTORS CORP.
  6. Remove the forward lamp wiring harness ground/negative cable bolt (3).
  7. Remove the negative battery cable (1).
    8. Fig 3: View Of Negative Battery Cable, Forward Lamp Wiring Harness & Ground/Negative Cable Bolt (6.6L (LLY) Engine)
    GM1369540Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.