GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Express 🢒 Engine 🢒 Engine Electrical 🢒 Battery Positive Cable Extension Cable Junction Block Replacement

Removal Procedure
  1. Disconnect the auxiliary battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .

    2. Object Number: 1665180 Size: SH
  2. Remove the positive extension cable nut from the junction block and disconnect the cable.
  3. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
  4. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.

    5. Object Number: 1724827 Size: SH
  5. Remove the positive extension cable nut from the intake air heater and disconnect the cable.
  6. Disconnect the wiring harness clips.
  7. Remove the battery positive cover from the underhood bused electrical center (UBEC).
  8. Remove the positive extension cable nut from the UBEC terminal stud.
  9. Remove the positive extension cable.

Installation Procedure
  1. Position the positive extension cable and connect the wiring harness clips.

    2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1724782 Size: SH
  2. Position the positive extension cable to the UBEC terminal stud and install the nut.

    3. Tighten
    Tighten the positive extension cable to UBEC terminal stud to 9 N·m (80 lb in).

  3. Install the battery positive cover to the UBEC.

    4. Object Number: 1724827 Size: SH
  4. Position the positive extension cable to the intake air heater and install the nut.

    5. Tighten
    Tighten the positive extension cable to intake air heater nut to 4 N·m (34 lb in).

  5. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  6. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .

    7. Object Number: 1665180 Size: SH
  7. Position the positive extension cable to the junction block and install the cable nut.

    8. Tighten
    Tighten the positive extension cable to junction block nut to 8 N·m (71 lb in).

  8. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .