Product Summary

Universal Fit, 21 Number of Circuits

    Key Specs

    MFG. Part #50003
    BrandPainless Wiring

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    This 21 circuit wiring harness from Painless Performance is for your Pro Street Chassis and includes an optional connector if you want to use a GM column mounted ignition switch. The included switch panel is a roll bar mount 8 switch rocker panel. This panel is pre-wired and is a direct plug and play into this harness. This harness kit also comes with a Painless mounting plate, grommets, terminal assortment kit, and the necessary connectors for your turn signal switch, headlights, and alternator. All wires are custom printed with the circuit identification as well as using GM color codes for easy installation. Made in the USA!

    This harness includes these circuits:

    • Accessory #1
    • Accessory #2
    • Brake Lights
    • Charging
    • Dome Light
    • Electric Fuel Pump #1 
    • Electric Fuel Pump #2 
    • Electric Water Pump 
    • Emergency Flashers
    • Fan Relay Activation Power
    • Fused Power Source
    • Headlights
    • Horn
    • Ignition Coil
    • Park Lights
    • Radio and Gauges
    • Starting
    • Tail Lights
    • Third Brake Light
    • Turn Signals
    • Wipers





    MFG. Part #50003
    BrandPainless Wiring
    Number of Circuits21
    Fuse Block IncludedYes
    Compatible with GM ColumnYes
    Ignition Key LocationDash
    Fuse StyleATO/ATC
    Sold in QuantityKit
    NotesIncludes wiring harnesses, all connectors, brackets, flashers, and zip ties.
    GTIN Code749823500037
    Harness LengthStandard