Wiring Harness

Help restore reliable electrical operation with this replacement wiring harness. Whether you're replacing old, damaged, or brittle wiring or completing a full electrical restoration, this harness helps provide organized, dependable connections between your classic's electrical components. This wiring harness fits 1970–1973 Pontiac Firebird.

• Includes: 1 Wiring Harness; headlight switch with internal 30-amp circuit breaker, retention collar nut, adjustable length shaft, custom knob, turn signal flasher, hazard flasher, horn relay, fuse box, under dash light sockets, mating connectors and terminals, floor dimmer switch, license plate lead, fuel tank sender wire and terminal, and original style light socket pigtails
• Harness Type: Complete vehicle harness covering engine, front lighting, rear body, and interior/instrument wiring
• Electrical Specifications: Includes a 30-amp circuit breaker built into the headlight switch and a new ATO fuse box for easy fuse and circuit breaker accessibility
• Fitment Notes: Engine wiring includes connectors for original points-type as well as HEI distributors, with power and tach connectors for GM HEI distributors and alternator connectors for GM SI series internally regulated alternators; a GM CS series alternator adapter is available separately. Steering column connectors plug directly into most aftermarket steering columns and 1969 and later GM columns that use stock GM turn signal switches, and the original column can be wired using the supplied mating connector and terminals. The original bulkhead connector for the engine and front light wiring allows original routing without body modifications, and a switched trigger wire for an electric fan relay is included for use with air conditioning.