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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISELECTRICALMOTORS, SWITCHES, RELAYSBATTERYREPAIR INSTRUCTIONSBATTERY POSITIVE CABLE REPLACEMENT (5.3L ENGINE)REMOVAL PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
  1. Disconnect the negative battery cable (5). Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE   .
  2. Disconnect the positive battery cable (4).
  3. Loosen the positive terminal bolt (1) that secures the harness to the junction block.
    Fig 1: Disconnecting Positive Battery Cable
    G02129920Courtesy of GENERAL MOTORS CORP.
  4. Reposition the generator cable boot (1).
  5. Remove the generator cable nut (2)
  6. Remove the generator cable lead (3).
  7. Open the clips on the retaining brackets.
    Fig 2: Removing Generator Cable Lead, Nut & Boot
    G02129921Courtesy of GENERAL MOTORS CORP.
  8. Remove the battery cable channel bolt.
  9. Remove the battery cable channel.
  10. Remove the battery cable from the channel.
    Fig 3: Removing Battery Cable From Channel
    G02129922Courtesy of GENERAL MOTORS CORP.
  11. Remove the positive cable lead nut (2) from the starter.
  12. Remove the positive cable lead (1).
  13. Remove the cable clip (3) from the bracket.
    Fig 4: Removing Cable Clip From Bracket
    G02129923Courtesy of GENERAL MOTORS CORP.
  14. Remove the starter solenoid lead nut (2)
  15. Remove the starter solenoid lead (1) from the starter.
  16. Remove the battery cable from the conduit.
    Fig 5: Removing Starter Solenoid Lead From Starter
    G02129924Courtesy of GENERAL MOTORS CORP.
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.