GM Service Manual Online
For 1990-2009 cars only
Makes šŸ¢’ Saturn šŸ¢’ 2000 šŸ¢’ L300/LW300 šŸ¢’ Body and Accessories šŸ¢’ Wiring Systems šŸ¢’ Underhood Electrical Center or Junction Block Replacement

Removal Procedure
  1. Disconnect the negative battery cable.
  2. Disconnect the positive battery cable.

    3. Important: It is not necessary to disconnect the fan control module wiring from the module. Additional wiring has been included in the harness for diagnosis and service.

  3. Remove the fan control module by sliding up and off of the bracket. Leaving the wiring connected, lay the fan control module out of the way.
  4. Remove the battery hold down/fan control module bracket bolt and bracket.
  5. Remove the battery.
  6. Uncover the battery feed on the fuse block cover.
  7. Disconnect the battery feed to the fuse block.
  8. Unsnap the engine cooling hose from the fuse block cover.

    9. Object Number: 886877 Size: SH
  9. Push on the tabs at the end of the fuse block and lift off the cover (2).
  10. Push in the tabs (3) on the end of the fuse block case and roll back the fuse block (1).

    11. Object Number: 886874 Size: SH
  11. Remove the following connectors:
    12. ā€¢ Engine 68 Way (1)
    ā€¢ Forward Lamp 68-Way (2)
    ā€¢ I/P 68-Way (3)

    Object Number: 886875 Size: SH
  12. Remove the following connectors:
    13. ā€¢ Forward Lamp 2-Way (White) (4)
    ā€¢ I/P 2-Way (Black) (5)
    ā€¢ I/P 2-Way (Green) (6)
    ā€¢ I/P 2-Way (Brown) (7)
  13. Lift the fuse block off the case.

    14. Object Number: 886874 Size: SH
  14. Remove the routed harnesses. (Engine (A), Forward Lamp (B), and I/P (C))

    15. Important: There are two tabs that hold the hard shell grommets in place at the bottom of the grommet. Disengage these tabs and slide the grommet off.

  15. Remove the bolt on the bottom of the fuse block case and lift the case off the battery tray.

Installation Procedure

    Object Number: 886874 Size: SH
  1. Place the fuse block case on the battery tray.
  2. Line the fuse up using the locator tabs.
  3. Install the bolt in the bottom of the fuse block case.
  4. Route the engine harness (A) into the fuse block case. push the grommet until the tabs catch.
  5. Re-hinge the fuse block-to-case.
  6. Route the I/P (C) and forward lamp (B) harnesses into the fuse block case making sure the tabs catch.

    7. Object Number: 886875 Size: SH
  7. Connect the following connectors to the fuse block:
    8. ā€¢ (4) Forward Lamp 2-Way (White)
    ā€¢ (5) I/P 2-Way (Black)
    ā€¢ (6) I/P 2-Way (Green)
    ā€¢ (7) I/P 2-Way (Brown

    Object Number: 886874 Size: SH
  8. Connect the following connectors to the fuse block:
    9. ā€¢ (1) Engine 68 Way
    ā€¢ (2) Forward Lamp 68-Way
    ā€¢ (3) I/P 68-Way

    Object Number: 886877 Size: SH
  9. Close the fuse block and latch (2).
  10. Replace the fuse block cover and latch.
  11. Snap the engine cooling hose back in place on the cover.
  12. Hook up the battery feed to fuse block.
  13. Place the battery feed cover over the battery feed terminal.
  14. Make sure the battery tray is clean.

    15. Important: The battery foam shield must be used or the battery life will be reduced.

  15. Install the battery.
  16. Install the battery hold down/fan control module bracket bolt and bracket.
  17. Tighten the bracket bolt.

    18. Tighten
    Tighten the battery hold-down bracket to 20 NĀ·m (15 lb ft).

  18. Install the fan control module by sliding down onto the battery hold down/fan control module bracket.
  19. Connect the positive battery cable.
  20. Connect the negative battery cable.