✨ New Arrivals Just Dropped!Explore

Home Shop Cart Account

Store

Wiring Harnesses

Subscribe to our newsletter for exclusive offers, new arrivals, and style inspiration.

Shop

All Products
New Arrivals
Sale

Company

Shipping Info
FAQ
Contact Us

About

About Us
Returns
Privacy

© 2026 DIYAutoTune. All rights reserved.

-65%NEW

8′ Classic MegaSquirt Wiring Harness - Universal Flying Lead

$129.99

$45.50

NEW

MS3Pro ULTIMATE Black Center Harness

$59.99

-65%NEW

MS3Pro AMPSEAL Connectors

$89.99

$31.50

NEW

8′ MS3X Classic MegaSquirt Wiring Harness - Universal Flying Lead

$124.99

NEW

MS3Pro Mini & MicroSquirt AMPSEAL Connector

$39.99

-65%NEW

MS3Pro Mini Wiring Harness – Universal Flying Lead

$74.99

$26.25

NEW

LS PNP Alternator Extension Harness

$24.99

NEW

MS3Pro EVO+ Wiring Harness Package – Universal Flying Lead

$349.99

-65%NEW

GM LS 24x PNP Harness

$899.99

$315.00

NEW

LS 4L80E Transmission Control Harness

$279.99

NEW

MicroSquirt Wiring Harness – Universal Flying Lead

$74.99

-65%NEW

LS 4L60E Transmission Control Harness

$279.99

$98.00