Wiring Harnesses | Crown Automotive Sales Co Wiring Harnesses. Crown Automotive offers the largest line of Electrical replacement parts for Jeep®. Our applications include Alternators, Starters, Ignition, Switches, Sensors, Gauges, Signal Levers and Fuses for all Jeep® models. Wiring Harness Repair Kit | Crown Automotive Sales Co Since 1963, Crown Automotive has been the leader in oem replacement parts for Jeep vehicles. Find parts and applications on our site. Use our Dealer Locator to find an authorized Crown dealer near you.