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Wiring Harness

Wiring Harness
Availability: 7-10 business day lead time for this item
Pricing: $1,282.00
FREE Shipping - 48 States


As the owner of a classic, you know adding amenities is very limited with OE wiring. PST has paired with American Autowire to provide you with their Classic Update Series complete wiring kits. These kits include all you need to modernize and upgrade your classic vehicle and are made in the USA specific for your year, make and model. Now you can easily add power accessories such as windows, fuel injection, air conditioning and more easily. Order your kit today.

Kit Contents:

  1. New ATO style fuse panel and bulkhead connector assembly that mounts directly into the factory firewall opening without modification.
  2. Dash harness routing is exactly like the original harness and will connect to all your stock dash and cluster connections while still accommodating nearly all aftermarket accessories such as electric gauge packages, HVAC systems, power window kits and updated wiper systems. Standard horn relay, turn signal and hazard flashers are included in the dash harness.
  3. A “high powered” accessory connector is included to power accessories like power seats, door locks, cruise control, fuel pump and other accessories.
  4. A 175amp Megafuse to protect your electrical system and 6ga heavy gauge alternator lead are provided to support a single wire alternator or internally regulated alternator.
  5. The “through the firewall” bulkhead connector mounts in the stock location of the original bulkhead connector and allows for engine and front light harnesses to be connected at the firewall.
  6. Engine wiring includes feeds for coil, tach, water temperature, oil pressure, electric choke, wiper motor and washer pump. Mating connectors and terminals are supplied for the power and tach leads for a GM style HEI distributor along with various oil and temperature senders. The Turbo 400 kickdown and “Cold Air Hood Door” (1973-76) leads and connectors are also provided.
  7. A complete plug and play wiper motor and blower motor ground wire harness is included.
  8. The correct windshield wiper switch, motor, pop-up door and relay wiring is provided and includes all of the correct connectors and terminals for connection.
  9. Front lighting includes extra-long leads that can be routed for stock or optional appearances. All power and ground wires are provided for the headlights, park lights, side maker lights, directional lights, headlight warning leads and horn. An ignition switched trigger wire is provided for an electric fan relay which is recommended with A/C.
  10. The rear body harness plugs into the dash harness at the left kick panel. Our longer lead wires allow for stock or custom routing of wires. The rear body wiring includes stop/taillight leads, side marker leads and back up leads. Also included are disconnectable stop/taillight, side marker and back-up lamp extensions that include the twist-in style taillamps sockets with the accordion style seal boots (1968-73) or plastic light sockets (1974-76) and molded side marker lights for the (1968-76). Power and ground leads for the glovebox, rear compartment courtesy light, license light and fuel tank sender are included along with the rear body pass through grommet.
  11. Instrument cluster wiring is designed with a “cluster harness disconnect” system for easy access and service. Original terminals, connectors and lamp sockets (an American Autowire exclusive) are provided for stock cluster and console gauge connections. The system can also connect to most popular aftermarket gauges such as Autometer, Classic Instruments, Dakota Digital, VDO and others. The kit will not support ammeters.
  12. Complete under-dash courtesy lamp assemblies with door jamb switch leads are included.
  13. New floor headlight dimmer switch is included.
  14. Many original switch connector bodies are included (an American Autowire exclusive feature).
  • Headlight switch connector plugs into your original headlight switch with vacuum ports.
  • The dash mounted (1968) and column mounted ignition switches are supported.
  • Steering column turn signal switch connectors plug directly into stock OEM or most aftermarket steering columns using the adapter and terminals provided.

Product Series


  • WH510717
  • WH510717
  • American Autowire
  • 7-10 business day lead time for this item
  • New


Shipping Information

  • Item Requires Shipping
  • FREE Shipping - 48 States

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