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

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
  1. Install the battery cable to the conduit.
  2. Install the starter solenoid lead (1) to the starter.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the starter solenoid lead nut (2).

    Tighten 

    Tighten the nut to 3.4 N.m (30 lb in).

    Fig 1: Installing Starter Solenoid Lead Nut
    G02129925Courtesy of GENERAL MOTORS CORP.
  4. Install the cable clip (3) to the bracket.
  5. Install the positive cable lead (1).
  6. Install the positive cable lead nut (2) to the starter.

    Tighten 

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

    Fig 2: Installing Cable Clip To Bracket
    G02129926Courtesy of GENERAL MOTORS CORP.
  7. Install the battery cable to the channel.
  8. Install the battery cable channel.
  9. Install the battery cable channel bolt.

    Tighten 

    Tighten the battery cable channel bolt to 12 N.m (106 lb in).

    Fig 3: Installing Battery Cable To Channel
    G02129927Courtesy of GENERAL MOTORS CORP.
  10. Install the generator cable lead (3).
  11. Install the generator cable nut (2).

    Tighten 

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

  12. Position the generator cable boot (1).
  13. Close the clips on the retaining brackets.
    Fig 4: Installing Generator Cable Lead, Boot & Nut
    G02129928Courtesy of GENERAL MOTORS CORP.
  14. Tighten the positive terminal bolt (1) that secures the harness to the junction block.

    Tighten 

    Tighten the bolt to 10 N.m (89 lb in).

  15. Connect the positive battery cable (4).

    Tighten 

    Tighten the positive cable to 15 N.m (11 lb ft).

  16. Connect the negative battery cable (5). Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE   .
    Fig 5: Connecting Positive Battery Cable
    G02129929Courtesy 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.