GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Cadillac
🢒
2009
🢒
XLR
🢒
Diagnostic Navigation
🢒
Vehicle Diagnostic Information
🢒 Underhood Electrical Center or Junction Block Replacement
Removal Procedure
Disconnect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
.
Remove the lead nut to the positive battery cable from the junction block. Reposition the cable lead away from the junction block.
Remove the junction block cover.
Disengage the electrical cable retainers at the rear of the junction block.
Turn the junction block upside down and open the lower cover.
Loosen the bolts which retain the engine, I/P, and forward lamp wiring harness connectors to the junction block.
Disconnect the engine wiring harness connector from the junction block.
Disconnect the I/P wiring harness connector from the junction block.
Remove the junction block.
Installation Procedure
Connect the I/P wiring harness connector to the junction block.
Connect the engine wiring harness connector to the junction block.
Caution:
Refer to
Fastener Caution
in the Preface section.
Install the connector bolts to the underhood junction block and tighten to
7 N·m (62 lb in)
.
Turn the electrical center right side up.
Connect the electrical cable retainers at the rear of the junction block.
Install the junction block cover.
Install the positive battery cable lead to the junction block stud. Install the positive battery cable lead nut and tighten to
10 N·m (89 lb in)
.
Connect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
.