OEM 2003 GMC Savana 3500 Fuse Box

2003 GMC Savana 3500 Parts Questions & Experts Answers

• Q: How to replace the Fuse Box for accessory wiring on 2003 GMC Savana 3500?

  A: A proper maintenance procedure for accessory wiring junction block replacement begins by disconnecting the negative Battery Cable. Flip the junction block cover open through pressing its tabs. The harness ends need release from the fuse block relay center by removing the location-based harness end nuts. Start by taking out the fuse relay center from the junction block after removing the fuse block center bolts. The procedure for junction block base removal requires pressing junction block base tabs to slide it out after detaching chassis harness , i/p harness , engine harness and forward lp harness from the junction block base. You should insert the tabs of the junction block base and press them to complete the installation. The fuse block relay center should be installed after reattaching the chassis harness and i/p harness along with the engine harness and forward lp harness to the junction block base. After securing the center bolts of the fuse block use the harness ends to connect with the fuse block relay center while installing the end nuts. End the process by securring the junction block cover on while verifying tab locking before reconnecting the negative Battery Cable.