Easy-to-install 12 Circuit Painless harness features these pre-wired circuits: Coil, emergency flashers, horn, headlights, power windows, wipers, stop lights, gauges, radio (constant hot), air conditioning, heat, electric fan and turn signals. All fuses, flashers and horn relay, pre-installed.
Choose from the Universal Harness or the GM Harness (Chevy) for use with GM column-mounted ignition switch.
12 Circuit Wiring Instructions (PDF)