Car Stereo Radio Wiring Diagram - 1994 Acura Integra Car Stereo Radio Wiring Diagram – 1994 Acura Integra. Whether your an expert installer or a novice enthusiast with a 1994 Acura Integra, an automotive wiring diagram can save yourself time and headaches. One of the most time consuming tasks with installing a car stereo, car radio, car speakers, car amplifier, car navigation or any mobile.. 1994 Acura Integra OE Wiring Harnesses & Stereo Adapters Acura Integra 1994, 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.