27 Circuit Classic-Plus Tri-Five Chevy Chassis Harness P/N 20105


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Part Number: 20105
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This 27 circuit kit is designed to fit the 1955, 1956, and 1957 “Tri-Five Chevy” (150, 210, Nomad, and Bel Air) and includes additional circuits for power options and accessories. This harness features a factory location Painless mounting plate for the fuse block, front and rear lighting sockets, factory & aftermarket instrument cluster harnesses ,and dash & turn signal connectors. This harness utilizes GM color-coded high-grade TXL wire with the circuit identification printed on it for easy installation.
Prop 65 Warning

Number of Circuits: 27 Circuits - 18 Fuses w/ Horn Relay & Maxi Fuse
Harness Length: Factory Fitment
Fuse Type: Blade & Midi Fuse
Firewall Passthrough: Grommet
Color Code Based: Early Factory GM
Circuit Designations: Printed on Wires
Chassis wiring harness for:
- 55 Chevrolet 150, 210, Belair, Nomad, Wagon
- 56 Chevrolet 150, 210, Belair, Nomad, Wagon
- 57 Chevrolet 150, 210, Belair, Nomad, Wagon
This harness includes circuits for:
- AC & Heat
- Accessory - Ign. Switched 12V - Interior
- Accessory / Cigarette Lighter
- Amp Turn On
- Backup Lights
- Brake Lights
- Charging
- Dome Light
- Electric Choke
- Electric Fuel Pump
- Emergency Flashers
- Factory Clock
- Fan Relay Activation Power
- Fused Power Source
- Headlights
- Horn (Relay)
- Ignition Coil
- Instrument Panel Lighting & Gauges*
- Park Lights
- Power Door Locks
- Power Windows
- Radio (Constant & Switched)*
- Starting
- Tail Lights
- Third Brake Light
- Turn Signals
- Wipers