Removal Procedure
- Disconnect the negative battery cable. Refer to 
Battery Negative Cable Disconnection and Connection.
 
- Press tabs (1) inward to lift and remove the small junction block cover (2).
 
- Press tabs (1) inward to lift and remove the large junction block cover (2).
 
- Note location and remove harness end nuts and remove harness ends from fuse block relay center.
 
- Remove the fuse block center bolts and remove fuse relay center from the junction block.
 
- Remove from the junction block base the chassis harness (1), the I/P harness (2), the engine harness (3), and the forward LP harness (4).
 
- Remove the junction block base by pressing tabs (1) then slide tabs (2) out. 
 
Installation Procedure
- Install the junction block base by sliding tabs (2) in and pressing in tabs (1) until they are locked.
 
- Install into the junction block base the chassis harness (1), the I/P harness (2), the engine harness (3), and the forward LP harness (4).
 
- Install the fuse relay center into the junction block.
 
- Install the fuse block center bolts.
 
- Install the harness ends on the fuse block relay center. 
 
- Install the harness end nuts.
 
- Press tabs (1) inward to lift and remove the large junction block cover (2).
 
- Press tabs (1) inward to lift and remove the small junction block cover (2).
 
- Connect the negative battery cable. Refer to 
Battery Negative Cable Disconnection and Connection.