---
product_id: 50951148
title: "Painless 10103 Classic Customizable Pickup Chassis Harness-GM Keyed Column-21 Circuits"
brand: "painless"
price: "468.83 DT"
currency: TND
in_stock: false
url: https://www.desertcart.tn/products/50951148-painless-10103-classic-customizable-pickup-chassis-harness-gm-keyed-column
store_origin: TN
region: Tunisia
---

# Full Color Manual 21 Circuits American Made Painless 10103 Classic Customizable Pickup Chassis Harness-GM Keyed Column-21 Circuits

**Brand:** painless
**Price:** 468.83 DT
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Elevate Your Ride with Painless Precision!

## Quick Answers

- **What is this?** Painless 10103 Classic Customizable Pickup Chassis Harness-GM Keyed Column-21 Circuits by painless
- **How much does it cost?** 468.83 DT with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/50951148-painless-10103-classic-customizable-pickup-chassis-harness-gm-keyed-column)

## Best For

- painless enthusiasts

## Why This Product

- Trusted painless brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unmatched Support:** American-made with dedicated technical support ready to assist you.
- • **Precision Engineering:** OE style machine crimping ensures a secure and durable fuse block.
- • **Modern Fuse Technology:** Upgrade to ATO bladed fuses for enhanced reliability and safety.
- • **Effortless Installation:** Every wire is printed with circuit IDs and GM color codes for a seamless setup.
- • **Superior Quality Materials:** TXL wire with high strand count copper for maximum performance and abrasion resistance.

## Overview

The Painless 10103 Classic Customizable Pickup Chassis Harness is a top-tier wiring solution designed for GM vehicles, featuring 21 circuits, modern ATO bladed fuses, and high-quality TXL wire. With a full-color installation manual and American-made craftsmanship, this harness ensures reliability and ease of installation, backed by exceptional technical support.

## Description

This Painless Performance customizable 21-circuit pickup chassis wiring harness provides ample wire lengths, making the wiring harness especially well-suited for trucks with long beds and extended cabs. This kit comes with a pre-terminated GM column mounted ignition switch connector. Included with this harness are the following parts; a GM engineered fuse block & Painless mounting bracket; GM turn signal connectors; pre wire plugs for the headlights & dimmer switch; and each wire is custom printed with the circuit identification as well as using GM color codes for easy installation.

## Features

- Printed Wiring and Full Color Installation Manual: Every wire is printed with the circuit identification and uses GM color codes for easy installation; Paired with the highly detailed full color installation manual, Painless makes a tedious task simple
- Upgraded ATO bladed fuses: Leave antiquated glass fuses in the past where they belong and update to modern bladed fuses
- Machine Crimped Fuse Block: Painless uses OE style machine crimping and pre-terminates the fuse block, leaving the installer with only one end to terminate
- When reliability and performance can't be compromised, you want TXL Wire - not the inexpensive primary wire you find in other harnesses; High strand count copper and high-quality insulation makes for high abrasion resistance and easy routing
- American Made, American Proud Since 1990: Every Painless harness is proudly produced in Fort Worth, TX, where we also staff our unmatched Technical Support department. ; Need help during install…simply give us a call

## Images

![Painless 10103 Classic Customizable Pickup Chassis Harness-GM Keyed Column-21 Circuits - Image 1](https://m.media-amazon.com/images/I/71v4iyLXeEL.jpg)

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**Shop now:** [https://www.desertcart.tn/products/50951148-painless-10103-classic-customizable-pickup-chassis-harness-gm-keyed-column](https://www.desertcart.tn/products/50951148-painless-10103-classic-customizable-pickup-chassis-harness-gm-keyed-column)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-06-03*