Removal and Replacement

Body Wiring Harness Junction Block Replacement

Removal Procedure

Warning: Refer to SIR Warning (SIR Warning).





1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (Battery Negative Cable Disconnection and Connection).
2. Remove the drivers seat. Refer to Driver or Passenger Seat Replacement (Driver or Passenger Seat Replacement).
3. Remove the junction block cover (1).




4. Remove the positive battery cable nut (2) from the junction block.
5. Remove the positive battery cable (3) from the junction block.
6. Disconnect the electrical connectors (1) from the junction block, if equipped with YF7.




7. Completely loosen the junction block caged bolts (2).
8. Release the tabs that retain the junction block (1) to the junction block base.
9. Remove the junction block (1) from the block base.




10. Remove the junction block base nuts (1, 3).
11. Remove the wiring harness (4) from the junction block base (2).
12. Remove the junction block base (4) from the floor.

Installation Procedure




1. Install the wiring harness (2) to the junction block base (3).
2. Install the junction block base (3) to the floor studs.
Ensure the remaining electrical connections (4, 5) are not captured under the junction block base after installations the floor studs.

Caution: Refer to Fastener Caution (Fastener Caution).

3. Install the junction block base nuts (1) to the floor studs and tighten to 5 Nm (44 lb in).




4. Install the junction block (1) to the junction block base.
Ensure the retaining tabs are fully seated. Tighten the bolts (2) to 5 Nm (44 lb in).




5. Connect the electrical connectors (1), if equipped with YF7.




6. Connect the positive battery cable (3) to the junction block.
7. Install the positive battery cable nut (2) and tighten to 10 Nm (88 lb in).




8. Install the junction block cover (1).
9. Install the drivers seat. Refer to Driver or Passenger Seat Replacement (Driver or Passenger Seat Replacement).
10. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (Battery Negative Cable Disconnection and Connection).