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Home >> Pontiac >> 2006 >> Grand Prix Base >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Repair Instructions >> Battery Negative Cable Replacement (RPO LS4) >> Removal Procedure
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Removal Procedure

IMPORTANT: When replacing battery cables be sure to use replacement cables that are the same type, gauge and length.
    Fig 1: View Of Right Front Of Engine Compartment
    GM1552766Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable (1). Refer to Battery Negative Cable Disconnect/Connect Procedure (RPOs L26/L32)  or Battery Negative Cable Disconnect/Connect Procedure (RPO LS4) .
  2. Reposition the cover (2) and loosen the positive battery terminal nut.
  3. Remove the positive battery terminal from the battery.
  4. Disconnect the battery cable connector (3) from the inline instrument panel (I/P) harness electrical connector (4).
  5. Disconnect the I/P harness electrical connector (5) from the battery current sensor (6).
    6. Fig 2: View Of Bussed Electrical Center
    GM1552769Courtesy of GENERAL MOTORS CORP.
  6. Remove the positive battery cable junction block cover.
  7. Remove the positive battery cable junction block lead nut (1).
  8. Remove the positive battery lead terminal (2) from the bussed electrical center (BEC).
  9. Unclip and remove the BEC from the strut tower.
    10. Fig 3: View Of Ground Wire
    GM1552767Courtesy of GENERAL MOTORS CORP.
  10. Remove the ground wire bolt (3) and reposition the wire (2) from the top rail.
  11. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  12. Remove the battery cable harness retaining clips (1, 4, and 5) from the front rail and fan shroud.
    13. Fig 4: Battery Cable Retainers
    GM1552771Courtesy of GENERAL MOTORS CORP.
  13. Remove the battery cable harness retainers from the engine cradle.
    14. Fig 5: Battery Positive & Negative Cables
    GM1552773Courtesy of GENERAL MOTORS CORP.
  14. Remove the transaxle stud nut (1).
  15. Remove the engine ground cable (6) from the transaxle stud.
  16. Lower the vehicle.
  17. Remove the positive battery cable nut (3) from the starter.
  18. Remove the positive battery cable (2) from the starter motor BAT terminal.
  19. Remove the battery cable harness from the retainer.
  20. Remove the battery cable harness from the vehicle.
  21. Carefully cut the tape on the wiring harness conduit.
  22. Remove the negative battery cable from the wiring harness conduit.
    23. Fig 6: View Of Battery Current Sensor
    GM1475086Courtesy of GENERAL MOTORS CORP.
  23. If replacing the negative battery cable, perform the following:
    1. Cut the tie straps and electrical tape attaching the battery current sensor to the battery cable.
    2. Squeeze the negative battery cable branches together.
      3. IMPORTANT: Note the position of the battery current sensor prior to removal.
    3. Slide the battery current sensor (1) off of the negative battery cable.
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