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Ignitions and Electrical› Wiring Harnesses
Painless Performance
21 Circuit Wiring Harnes
SKU: P00Y 10104
Professional / shop required
Overview
The harness is custom-printed with circuit identification and uses GM-based color codes. It includes a GM-engineered fuse block with a Painless mounting bracket, GM turn signal connectors, and pre-wire plugs for headlights and the dimmer switch. It also comes with 12 fuses and a horn relay.
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Part #: 10104
Car Wiring Harness - Classic Customizable Pickup - 21 Circuit - Complete - Universal - Kit
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Painless Performance |
| Part Number | P00Y 10104 |
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About MOTORMIA
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Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
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