LS Wiring Harness Part 5 | Project Rowdy Ep017 - YouTube Click to view on Bing30:43Part 5 of the LS Wiring Harness Cleanup will cover the installation of the 4 Fuse Block, Main Relay, Fuel Pump Relay, and a custom 8 pin connector to support dash gauges and instruments.Author: UCanDoIt2Views: 97K Vortec 4.8/5.3/6.0 Wiring Harness Info Underhood Fuse Block, 2000-2007 Pickup/SUV 4.8/5.3/6.0 - Using the stock Fuse Block from 99+ Vortec harness to power you're engine. 7/22/17 UPDATED. PCM Connector Pinouts 99-02 - PCM Pinouts for 99-02 BLUE / RED PCM connectors. Similar BETWEEN 99-2002. - Download Here! PCM Connector Pinouts 03-07 - PCM Pinout for 03-07 BLUE / GREEN PCM connectors. Fuse box Chevrolet Silverado 1999-2007 Fuse box in passenger compartment Chevrolet Silverado. fuse box location. The fuse block access door is on the driver’s side edge of the instrument panel. Pull off the cover to access the fuse block.