Hummer H2. Manual — part 1300
Fig. 121: Connectors & Electrical Center Block
Courtesy of GENERAL MOTORS CORP.
4. Connect the wire connectors to the lower portion of the electrical center block.
5. Connect the wire connectors with the bolts to the electrical center block.
Tighten: Tighten all connector bolts (1) to 9 N.m (80 lb in).
6. Ensure all wire connectors are securely connected.
7. Set the electrical center block in its resting position till the tabs (3) locks in place.
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Wiring Systems - Hummer H2
Fig. 122: Electrical Center Brace Cover Assemble
Courtesy of GENERAL MOTORS CORP.
8. Install the lower part of the cover (1).
9. With the cover (2) off, use the fuse location information to install all fuses and relays.
10. Install the cover.
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Wiring Systems - Hummer H2
Fig. 123: Left Fender Upper Brace
Courtesy of GENERAL MOTORS CORP.
11. Install the fender upper brace.
12. Install the 4 fender upper brace bolts.
Tighten: Tighten the 4 retaining bolts to 25 N.m (18 lb ft).
13. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure
(Single Battery) in Engine Electrical.
14. Start vehicle and ensure all components function properly.
INSTRUMENT PANEL ELECTRICAL CENTER OR JUNCTION BLOCK REPLACEMENT - LEFT
Removal Procedure
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Wiring Systems - Hummer H2
Fig. 124: Left Side End Panel
Courtesy of GENERAL MOTORS CORP.
1. Remove the left side end panel.
2. Remove the knee bolster. Refer to Trim Panel Replacement - Knee Bolster in Instrument Panel,
Gauges and Console.
3. Disconnect all the wiring connectors from the fuse block.
4. Remove all the fuses.
5. Remove the turn signal relay from the back of the fuse block.
6. From behind the fuse block, remove the retaining bolt.
7. Insert a screw driver between the fuse block and the wire harness block to separate.
8. Push on the retainers in order to remove the fuse block.
9. Remove the fuse block from the vehicle.
Installation Procedure
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Wiring Systems - Hummer H2
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