This wiring diagram and electrical schematics apply for 1997 Chevrolet Pickup C1500 series including 4.3L VIN W, 5.0L VIN M and 5.7L VIN R engine series. The wiring diagram covers following parts and components: air conditioning system, anti-lock brake system, cruise control circuit, engine performance, instrument cluster, transmission system, cooling fan, cruise control, back-up lamps, charging, computer data lines, courtesy lamps, front wiper and washer, defogger, door lock, electronic power steering, exterior lamps, headlight, instrument illumination, keyless entry, shift interlock system, starting circuit, etc.