Underhood Electrical Center or Junction Block Replacement

Fig 1: Underhood Electrical Center Or Junction Block

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures Disconnect the battery. Refer to Battery Negative Cable Disconnection and Connection (LHD With Top Post) or Battery Negative Cable Disconnection and Connection (Side Post) . Remove the junction block cover.
1	Battery Positive Cable to Junction Block Nut Procedure: Disconnect the battery positive cable from the junction block by removing the nut.
2	Junction Block Bolt (Qty: 2) Procedure: Turn the bolt until an audible sound is heard and ENSURE the location of tabs are drawn up flush with the fuse center top surface.
3	Underhood Electrical Center or Junction Block Procedure Upon installation of the upper fuse box, ensure the 2 orange indicators are visible to have a proper installation of the lower connector to the upper fuse box. Use a hook-like tool to disengage the 7 tabs. Disconnect any electrical connectors Transfer components as necessary.