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1964-1967 GTO - Classic Update Series Complete Wiring Kit

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Product Description


The AMERICAN AUTOWIRE Classic Update Series is a complete wiring system in a box!

Everything you need to modernize your 1964-67 GTO: Headlight, Dimmer, and Ignition switches; Boots, Tubes, and Grommets; Fuses, Relays, and Flashers; Original Connectors, Terminals, and Disconnects. Classic Update wiring systems are made for specific makes/models/years.

NOTE: These kits are recommended for MODIFIED original vehicles, not OEM restoration projects.

Complete Wiring Kit - 1964-1967 GTO For •

  • Pontiac GTO 1964 •
  • Pontiac GTO 1965 •
  • Pontiac GTO 1966 •
  • Pontiac GTO 1967 •
  • Pontiac Lemans 1964 •
  • Pontiac Lemans 1965
  • •Pontiac Lemans 1966
  • •Pontiac Lemans 1967 •
  • Pontiac Tempest 1964 •
  • Pontiac Tempest 1965 •
  • Pontiac Tempest 1966 •
  • Pontiac Tempest 1967


  1. A replacement headlight switch with internal 30amp circuit breaker, retention collar nut, adjustable length shaft, and custom knob.

  2. Standard turn signal and hazard flashers are mounted on fuse panel. A new horn relay is mounted on the main dash harness.

  3. Fuse box designed to fit in original location. All required hardware supplied. New ATO fuse panel allows for easy fuse and circuit breaker accessibility. Harness is laid out and formed to allow for nearly all after market accessories such as; gauge packages, wiper systems, heat and air conditioning systems, etc.

  4. Original switch connector bodies – an American Autowire exclusive feature

  5. Steering column connectors can plug directly into most aftermarket steering columns or stock 1964-67 GM columns that use stock GM turn signal switches.

  6. Separate under dash courtesy lamps for use along with your original dome/interior lighting.

  7. Instrument Cluster wiring is designed with a “cluster harness disconnect” system for easy service and assembly. Original terminals and connectors (another American Autowire exclusive) are provided for stock cluster connections. The system will also connect into most popular aftermarket gauges such as AUTOMETER, CLASSIC INSTRUMENTS, DAKOTA DIGITAL, STEWART WARNER, VDO and others.

  8. Rear body harness assembly plugs into the main harness in the stock location and our longer leads allow for stock or custom routing of the wires. Rear body wiring includes backup light lead wires with correct lamp sockets or connectors, stop and tail light lead wires with correct lamp sockets, terminals and connectors to mate with the license plate connection wire, and fuel tank sender wire with trunk grommet and tank connection.

  9. New floor dimmer switch is provided for ease of installation. Wire length and connection accommodate original floor mount dimmer switch.

  10. GM bulkhead connectors for the engine and front light wiring are included (another American Autowire exclusive) and allow for easy installation with original or custom routing.

  11. Engine wiring includes connectors for original points type as well as H.E.I. distributors. Power and tach connectors supplied for GM H.E.I. distributors. Alternator connectors are supplied for GM “SI” series internally regulated alternators. GM “CS” series alternator adapter is available separately.

  12. Front lighting includes extra long leads that can be routed for stock or optional appearances. All headlight, parking and directional light connectors and terminals are provided along with a switched trigger wire for an electric fan relay (usually recommended with AC).

  13. Original style light sockets, switch body connectors, terminals, etc.

Please note: Classic Update Kits do not support Ammeters

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