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Painless Performance Products 20107 - Painless GM Car Chassis Harnesses

Painless Performance Products 20107 - Painless GM Car Chassis Harnesses

Painless Performance Products#764-20107

GM Car Chassis Harness
  • 1955-57 Chevy Car
  • 21-Circuit Harness

    Painless Performance Products 20107 - Painless GM Car Chassis Harnesses Details

    GM Car Chassis Harnesses

    Includes: 21 fuses, horn relay, 70 amp Maxi-Fuse, necessary wiring, fuse block mounting bracket, zip ties, grommet, and connectors

    Year: 1955-1957
    Make: Chevrolet
    Engine: Non Fuel Injected
    Trans.: Non Electronic


    An adaptation of the 21-Circuit Kit where basic wiring is needed designed to custom fit your "Shoebox Chevy" with a factory location mounting plate for the fuse block, special dash and turn signal connectors.

  • Number of Circuits: 21
  • Harness Length: Factory Fitment
  • Fuse Type: Blade & Maxi Fuse
  • Firewall Passthrough: Grommet
  • Color Code Based: Factory GM
  • Circuit Designations: Printed on Wires

    This harness includes circuits for:

  • Headlight Switch- Power to headlight switch. Power wires out of headlight switch to head light dimmer switch, tail lights, dash lights and park lights.
  • Dimmer Switch- wires include power from headlight switch and power out to low and high beam headlights.
  • Wiper Switch- Power to wiper switch. You will need to retain the wires between the wiper switch and your wiper motor.
  • Turn Signal Switch- Power into and out of your column mounted turn signal switch. Also included in this kit are both styles of GM turn switch connectors. Note: these will connect to most aftermarket and factory steering columns.
  • Ignition Switch- Power into and out of to fuse block (ignition, crank and accessory)
  • Brake Switch- Power into and out of brake switch. This includes a third brake light wire.
  • Courtesy Lights- Power and ground circuits for dome light activation.
  • Alternator- Charge wire and alternator field activation wires. (Most alternators can easily be wired up to this Painless harness). Included in kit is a high output alternator wire that allows you to use up to a 140 Amp alternator.
  • Horn- 40 Amp horn relay mounted to fuse block
  • Radio- Harness includes constant B+ (for preset memory) and ignition hot circuits for any aftermarket or factory radio.
  • Starter- Crank signal wire for starter solenoid.
  • Engine section wires including electric choke, coil power, coil to tach signal, oil pressure, engine temperature, and A/C compressor clutch control wire.
  • Headlight section wires including right and left high and low beam headlights, turn signals and park lights.
  • Tail section wires including tail lights, brake lights, turn signal lights, fuel gauge sender, third brake light, and reverse lights.
  • Dash panel section wires including fuel, temperature, oil pressure, voltage, tachometer, speedometer, high beam and turn indicators and gauge illumination.
  • Also included in kit is a fuse block mounting bracket, rubber grommet, 4-inch zip ties, 70 Amp maxi fuse and a large assortment of crimp style connectors.

  • Painless Performance Products 20107 - Painless GM Car Chassis Harnesses

    Painless GM Car Chassis Harnesses replace the old and brittle 30+ year-old wiring found in these cars. These harnesses give you everything you need, plus more, for connecting standard factory components as well as components from the abundant aftermarket that has grown with the popularity of these cars. These harnesses follow all of the same routing found on the factory harness which allows you to utilize the factory harness attachment points. Made in USA.

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