Sierra 1500 2WD V8-5.3L Hybrid (2004)
1. Position the internal signal harness to the ESB as noted earlier.
2. Engage the retainers (1, 2) in order to secure the harness.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the ground wire screw.
Tighten
Tighten the screw to 2 N.m (18 lb in).
4. Connect the high current sensor electrical connector.
5. Connect the battery cut-off switch electrical connector.
6. Connect the ESB fan electrical connectors.
7. Install the ESCM.
8. Connect the battery temperature sensor electrical connectors.
9. Connect the battery resistor electrical connectors.
10. Install the ESB intermediate cover.
Energy Storage Box (ESB) Maxi-Fuse Replacement
ENERGY STORAGE BOX (ESB) MAXI-FUSE REPLACEMENT (WITH RPO CODE HP2)
REMOVAL PROCEDURE
1. Remove the energy storage box (ESB) intermediate cover.
2. Remove the maxi-fuse cover.
