Q: How to replace the rear Fuse Box on Buick LeSabre?
A: Proceeding with the replacement of the rear electrical center or junction block requires starting with removal of the rear seat cushion and negative Battery Cable disconnection while placing the ignition key in the lock position and turning off all electrical devices for safety. Your first step should be to take off the rear fuse block cover then separate the positive Battery Cable nut and positive Battery Cable from the rear electrical center. Lift the electrical center upward after unclipping its four retaining pieces. Then flip it over. Disconnected connectors of all types must be removed from the fuse block after removing its three connector fasteners. To perform installation service the connectors to the rear fuse block before using your hands to start the fasteners using a torque of 7 n.m (62 lb in). Fasten the rear electrical center into its base assembly while verifying the clips secure position before you connect the positive Battery Cable with its nut and finish securing it at 15 n.m (11 lb ft). The last step is to place back the seat cushion beneath and reattach the negative Battery Cable.
Q: How to replace the instrument panel Fuse Box on Buick LaCrosse?
A: The first step to replace either instrument panel electrical center or junction block requires disconnecting the negative Battery Cable from the vehicle. The body wiring harness should be disconnected from the accessory wiring junction block while pulling the harness out to create space for access. Insert starts with the removal of the instrument panel (I/P) compartment together with the junction block bolt. The junction block tabs should be removed from the passenger knee bolster and the junction block extracted away from the i/p for removal. Begin the installation by inserting the junction block bottom tabs before snapping its top section to the passenger knee bolster and tightening the junction block bolt to 10 n.m (89 lb in). Install the body wiring connectors to the junction block while securing each bolt with 2.5 n.m (22 lb in) torque specification. The necessary installation procedure includes placing the i/p compartment back into position followed by loading the outer trim cover and reattaching the negative Battery Cable.
Q: How to replace the underhood fuse box on Buick Rainier?
A: The first step to replace the underhood electrical center or junction block is disconnecting the negative Battery Cable. Open the junction block cover by pushing the tabs toward the interior and raising it upward. The next step involves lifting the fuse relay center cover upward until retaining tabs detach to remove it. Record the positions of the harness end bolts before removing the bolts together with the harness ends from the fuse relay center. Start by unscrew the bolts at the fuse relay center and retrieve it from the junction block bracket. Use downward pressure to unfasten the wiring harness ends from the bottom section of the fuse relay center. The vehicle needs junction block bracket retaining bolts removed before taking the bracket out. To install the junction block bracket position it correctly then start installing bolts at 6 n.m torque before completing with a 53 lb in final torque. Secure the fuse relay center into position with bolts which should be tightened at 6 n.m (53 lb in). Secure the harness end bolts simultaneously before setting the fuse relay center cover onto its bolt points and gently pressing it down to activate the tabs. The installation requires a final step which involves placing and pressing down the junction block cover until its tabs are engaged.