1975 Corvette C3 Air Conditioning Wiring Harness VAC7500

1975 C3 Air Conditioning Wiring Harness VAC7500

Restore Reliable A/C Performance with This 1975 Corvette A/C Wiring Harness

Ensure proper power delivery and dependable cooling with this factory-style replacement harness for your 1975 Corvette.

This harness is a direct-fit replacement engineered to GM specifications for your 1975 Corvette’s air-conditioning system. It includes heater wiring and all the necessary connections to integrate seamlessly with your car’s dash and engine harness. Enjoy cooler drives and factory-correct functionality without splicing or guesswork.

Fits the Following Corvette Models

• Corvette (C3) 1975

Material / Finish

• OEM-style wiring with color-coded insulation.

• Factory-correct connectors and terminals for plug-and-play installation.

Dimensions

• Designed to route precisely within the 1975 Corvette engine bay and firewall area.

Features / Benefits

• Direct-fit replacement A/C wiring harness for 1975 Corvette.

• Includes heater wiring and A/C compressor ground wire. 

• Sold individually, one required per Corvette.

Connects To

• A/C Relay

• Blower Motor Ground Terminal

• Blower Motor Power Terminal

• Blower Motor Resistor

• Compressor Clutch Switch

• Compressor Cutout Pressure Switch

• Compressor Ground

• Dash Harness Connection

• Engine Harness & Forward Lamp Harness Connection (at firewall)

• Heater & A/C Controls

Because Details Matter
Feel the weight of the new harness as you guide each connector into its matching terminal. Hear the solid click as factory-style plugs seat into relays and switches. With every connection restored, your A/C system regains the confidence and performance it had when new—because details matter.

Also known under these part numbers: (For reference only)

• VAC7500