2003 Mitsubishi Eclipse Electrical Parts | Switches Mitsubishi Eclipse 2003, Help™ Multi Function Switch by Dorman®. Package Type: Box. Dorman has all the components needed for a complete repair. Quickly and easily installed, it eliminates the clunking noise that may result when this.. 2003 Mitsubishi Eclipse OE Wiring Harnesses & Stereo Mitsubishi Eclipse 2003, Factory Replacement Wiring Harness by Metra®, with OEM Radio Plug. For factory stereo. This high-quality Metra wiring harness is just what you need to replace your defective or aged factory wiring harness.