Left side the red wires and fuse box are for the electric fan, the main square fuse box up top, wire harness through the firewall, protection around the steering from heat, Wilwood brake master and CLUTCH master, hydraulic throw out bearing, aluminum radiator 2.2L VORTEC motor s 10 blinker switch with 4 way flashers, horn, dimmer switch, headlights brake lights are operated from the orriginal wiring harness. i used an aftermarket light switch from speedway motors and dimmer, and the mandrel bent stainless steel fabbed shorty headers wrapped with header wrap for heat. this truck is quiet but after the fan CYCLES and the car warms up you get a nice purr..
Right side, intake. air filter, computer from the 2003 s 10, oil sender, alternator, fuel filter for the fuel pump to pump gas from the front tank to the back10 gal front,16 gal rear. OEM upstream O2 in the header, OEM dowstream O2 before the OEM catalytic converter then into the OEM muffler for optimum fuel efficiency. Daily Driver City/Freeway. Big amp under the seat so when on the freeway with windows down doing 70 crank up the tunes when passing a Tesla.