GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Isuzu
🢒
2009
🢒
Ascender - 4WD
🢒
Power and Signal Distribution
🢒
Wiring Systems and Power Management
🢒 Underhood Electrical Center or Junction Block Replacement
Removal Procedure
Disconnect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
.
Press tabs (1) inward and lift to remove the junction block cover.
Pull upward on the fuse relay center cover (1) to release the retaining tabs and remove the cover.
Note the location and remove the harness end bolts (2) and remove the harness ends from the fuse relay center.
Remove the fuse relay center bolts (3) and remove the fuse relay center from the junction block bracket.
Pull downward on the wiring harness ends to remove from the bottom of the fuse relay center.
Remove the junction block bracket retaining bolts (1) and remove the junction block bracket from the vehicle.
Installation Procedure
Caution:
Refer to
Fastener Caution
in the Preface section.
Position the junction block bracket and install the bolts (1). Tighten the junction block bracket bolts to
6 N·m (53 lb in)
.
Align the wiring harnesses and install the fuse relay center.
Install the fuse relay center bolts (3) and tighten to
6 N·m (53 lb in)
.
Install the harness end bolts (2).
Install the fuse relay center cover (1) over the relay center bolts. Press downward to engage the tabs.
Install the junction block cover. Press downward to engage the tabs.