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Painless Performance Products 10101

Classic Customizable Chassis Harness 21-Circuit GM Keyed Column

Painless Performance Products 10101
Painless® Rebate
Expires on April 30, 2018

Purchase Painless Performance Chassis Harnesses PN 10101, 10102, 10201, or 10202 and get a $50 Rebate!

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Painless Performance Products 10101 Classic Customizable Chassis Harness 21-Circuit GM Keyed Column $423.99
Classic Customizable Chassis Harness
  • 21-Circuit
  • GM Keyed Column

  • Painless Performance Products 10101 Details

    21-Circuit Harnesses


    • GM Steering Column Turn Switch
    • Ignition Switch
    • Dimmer Switch
    • Two Headlight Pigtails
    • 10SI & 12 SI Alternator
    • HEI Power and Tach and 20 Extra 56 Series Terminals for use with any Factory GM 56 Series Connector such as Headlight Switch, Wiper Switch or A/C Switch/Blower Motor

    Included Circuits:

    • A/C & Heat
    • Accessory / Cigarette Lighter
    • Backup Lights
    • Brake Lights
    • Charging
    • Dome Light
    • Electric Choke
    • Emergency Flashers
    • Fan Relay Activation Power
    • Fused Power Source
    • Headlights
    • Horn (Relay)
    • Ignition Coil
    • Instrument Panel Lighting and Gauges*
    • Park Lights
    • Radio/Clock (Constant and Switched) 
    • Starting
    • Tail Lights
    • Third Brake Light
    • Turn Signals
    • Wipers

    * Including Wires For:
    Fuel Gauge
    Oil Gauge
    Temperature Gauge


    21 Circuit
    Circuit Quantity
    Fuse Block Included
    Fuse Block Location
    Fuse Style
    Ignition Key Location
    Sold as a kit
    Harness Length
    Manufacturer's Part Number:

    Painless Wiring's Universal Classic Customizable Chassis Harnesses are the most widely used customized chassis harnesses on the market today, and you'll find that they're easily adaptable to almost any vehicle. These kits come with or without a preterminated GM column mounted ignition switch connector and each wire is printed with the correct circuit identification and color codes for easy installation. Available in 21 or 28-circuit and will work for any carbureted or EFI application.


    • Adaptable to almost any vehicle
    • Compact, corrosion-resistant, OE-style fuse block
    • Wiring preterminated to fuse block
    • Superior circuit protection with 50 amp Maxi-Fuse
    • For any carbureted or EFI application
    • Includes wires for fuel, oil, tachometer, temp, volt gauges

    10101 - Painless Universal Wiring Harnesses is rated 4.5 out of 5 by 2.
    Rated 5 out of 5 by from 46 Studebaker M5 Tech said i needed the 10101 wiring harness for M5 with tilt, SB Chevy, auto. Installed in 3 days spare circuits for future upgrades. Also ordered the nylon wire harness sleeves (little pricey) but does a fantastic job. Looks just like a pro did it! The ease was each wire is labeled which makes the job much easier!
    Date published: 2014-11-01
    Rated 4 out of 5 by from Excellent quality, horrible instructions. You can't deny the quality of a Painless Harness. The instructions, however, are horrible. This kit is lacking a lot if you're doing a complete rewire (like I am) and need connectors and terminals. So quality is 5 star, ease of use is 4 at best. It's a generic harness so count on needing additional pieces to fit your specific vehicle. There's no bulkhead connector, either, so if you have a factory hole for the old bulkhead connector (and you almost certainly do) you'll have to fabricate a metal plate to cover that hole and then cut out a hole for the supplied grommet to fit into. The instructions might suffice if rewiring cars is your hobby or profession, but it most likely isn't. I'm selling the generic kit I purchased on eBay because I just bought an American Autowire kit specific to my car ('72 Nova). The instructions are excellent and all the connectors and terminals I need are included. Yes it cost more but I should've gone that route in the first place.
    Date published: 2017-02-19
    • y_2018, m_3, d_18, h_5
    • bvseo_bulk, prod_bvrr, vn_bulk_2.0.7
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    • clientName_jegs

    are the harnesses color coded & individually labeled

    Asked by: DEWDAW
    The wires are color coded and labeled for installation.
    Answered by: Jon Jegs Tech
    Date published: 2018-01-15
    • y_2018, m_3, d_18, h_5CST
    • bvseo_bulk, prod_bvqa, vn_bulk_2.0.7
    • cp_1, bvpage1
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