Q: How to replace the underhood fuse box on Chevrolet Equinox?
A: The first task before replacing the underhood electrical center or junction block involves disconnecting the negative Battery Cable. To start the procedure disconnect the negative Battery Cable first so remove accessory wiring junction block underhood cover after undoing the fuse block nut to separate positive Battery Cable connections together with eps cable. The technician should loosen the bolts found at the top of the fuse block to raise it from the connectors before removing the i/p connectors. Separate each of the three 68-way connectors through proper up-pull action from the fuse block case and the forward lamp 68-way connector and engine 68-way connector and i/p 68-way connector . Each 68-way connector must be placed back into its assigned location until it reaches the desired position inside the fuse block and then it should be firmly seated. After correctly attaching the i/p connectors the service technician must tighten bolts found on the fuse block top while securing underhood accessory wiring junction block harness retaining bolts using 4 n.m torque (35 lb in). Use the nut to connect the positive Battery Cable with eps at the end of the fuse block before tightening it to 17 n.m (13 lb ft). Then install the Fuse Box cover and reconnect the negative Battery Cable.
Q: How to replace the rear Fuse Box on Chevrolet Malibu?
A: The first step to replace the rear electrical center or junction block requires disconnecting the battery negative cable. The procedure for gmc envoy xl requires left second row seat removal but chevrolet trailblazer and gmc envoy users need to set their left second row seat to cargo position. The process begins with opening the rear electrical cover after which technicians remove the battery terminal nut from the junction block allowing them to extract the Body Control Module (BCM) from the same area. Before proceeding remove the junction block from the block base by first unlatching its tabs then loosening its retaining bolts from the electrical connectors. Remove the Instrument Panel Harness Connector, mobile telephone harness connector, Body Wiring Harness Connector and console harness connector and headliner harness connector from the junction block. Remove all retaining nuts that fasten the floor studs to the block base then remove the base from the floor panel. To install the procedure requires setting the block base onto floor studs before tightening retaining nuts to 10 n.m (88 lb in). Safely connect the mobile telephone harness connector to the junction block base together with Instrument Panel Harness Connector and console harness connector and Body Wiring Harness Connector and headliner harness connector . Secure the junction block onto the block base then bead it down with three bolts which require tightening to 3.5 n.m (31 lb in). Thebcm installation at the rear electrical center includes connecting the junction block battery feed terminal nut while tightening it to 10 n.m and restoring the center cover. When working on chevrolet trailblazer or gmc envoy vehicles position the left second row seat into a passenger state while gmc envoy xl owners should replant their left second row seat. Reconnect the battery negative cable as the final step.
Q: How to Replace a Fuse Box in the IP Wiring Harness Junction Block on Chevrolet Tahoe?
A: The procedure starts with disconnecting the negative Battery Cable(s). Next remove the right side end panel before proceeding. Disconnect all wiring connectors attached to the front part of ip junction block before unclipping the harness from its fastener. To remove the ip wiring harness junction block squeeze its two retaining clips and pull it out toward the rear. The lower ip light bulb requires counterclockwise twisting and then rearward removal. The ip wiring harness junction block needs to be slipped through a hole in the ip while all wiring connectors must be detached from its rear section before extracting it from the vehicle. Insert every wire connector to the back of the ip wiring harness junction block then guide it through the ip hole. Connect the lower ip light bulb through clock-wise bulb socket rotation combined with bulb pushing in before doing the same for the ip wiring harness junction block connection to the ip through clip pressure application leading to a sealed connection. To complete the installation, install the right side end panel then reattach the negative Battery Cable(s) while connecting wiring connector(s) to the front of the ip wiring harness junction block.