American Autowire CLASSIC UPDATE KIT - 1970-72 CHEVY CHEVELLE 510105

Item #32873

Made in the USA
American Autowire CLASSIC UPDATE KIT - 1970-72 CHEVY CHEVELLE 510105
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The American Autowire Classic Update Complete Wiring Kit adds modern capabilities like electronic fuel injection, Vintage Air and others to your 1970-72 Chevy Chevelle. This kit includes 13 components to provide a complete system of its type. The harness is completely laid out for easy installation and is sheathed and protected. It allows for gauge packages, wiper systems and other aftermarket accessories.


  • Complete Wiring Kit - 1970-72 Chevelle For:
  • Chevrolet Chevelle 1970
  • Chevrolet Chevelle 1971
  • Chevrolet Chevelle 1972
  • Chevrolet El Camino 1970
  • Chevrolet El Camino 1971
  • Chevrolet El Camino 1972
  • The kit boasts 13 features making it the most complete system of its type in the industry including:
  • A replacement headlight switch with internal 30amp circuit breaker, retention collar nut, adjustable length shaft, and custom knob.
  • Standard turn signal and hazard flashers are mounted on fuse panel. A new horn relay is mounted on the main dash harness.
  • 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 aftermarket accessories such as; gauge packages, wiper systems, heat and air conditioning systems, etc.
  • Original switch connector bodies - an American Autowire exclusive feature
  • Steering column connectors can plug directly into most aftermarket steering columns or stock 1970-72 GM columns that use stock GM turn signal switches.
  • Separate under dash courtesy lamps for use along with your original dome/interior lighting.
  • 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.
  • 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, stop and tail light lead wires with correct lamp sockets, terminals to mate with the license plate connection wire, side marker lead and ground wires with lamp sockets, and fuel tank sender wire with trunk grommet and tank connection.
  • New floor dimmer switch is provided for ease of installation. Wire length and connection accommodate original floor mount dimmer switch.
  • 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.
  • 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.
  • Front lighting includes extra long leads that can be routed for stock or optional appearances. All headlight, parking and directional light connectors (lamp socket pigtails are also provided for 1971-72 applications) and terminals are provided along with a switched trigger wire for an electric fan relay (usually recommended with AC).
  • Original style light sockets, switch body connectors, terminals, etc. packed into every aspect of this harness help make it the most complete system of its type in the industry!


Brand: American Autowire
Part Number: 510105
Part Type: Wiring Harnesses
Product Line: American Autowire Classic Update Series Wiring Harness Kits
Circuit Quantity: 18
Harness Length: Standard
Fuse Block Included: Yes
Fuse Block Location: Front
Quantity: Sold as a kit.


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