Harnesses and PCMs LS Gen

Harnesses and PCMs LS Gen Solutions in Whitmore Lake, MI

Your LS Gen swap needs wiring and electronics that work perfectly from the start. Swap Specialties builds custom harnesses and PCMs designed specifically for LS Gen 3 and LS Gen 4 engines. We've completed more than 15,000 harnesses with attention to every detail. Each harness includes our industry-only lifetime warranty. Our team has 25 years of experience working with these platforms.

Reach out to us today and get your LS Gen project wired correctly.

Why LS Gen Harnesses and PCMs Matter

Your LS engine swap depends on correct electrical connections to run properly. The right harness and PCM work together so your engine talks to your vehicle's systems without problems in Whitmore Lake, MI.

• Removes check engine lights and wiring errors
• Improves fuel delivery and ignition timing
• Matches your specific chassis requirements
• Prevents hours of troubleshooting

Our team has tuned more than 1.35 million HP across 36 supported platforms, so you get solutions that perform.

Why Choose Swap Specialties

Swap Specialties is the only company offering fully custom wiring for LS Gen swaps in Whitmore Lake. Since 2016, we've stayed committed to American manufacturing and strong customer support.

• Industry-only lifetime warranty on every harness
• Made in the USA with quality materials
• Custom builds for your exact application
• Worldwide shipping available
• 10% discounts for military and first responders
• Store credit available for exchanges
• Out-of-stock items ordered upon request

With 25 years of combined experience, our team understands LS Gen platforms completely.

Contact Us

Ready to wire your LS Gen swap correctly? We'll help you pick the right harness and PCM combination for your build in Whitmore Lake, MI.

Contact us now and get your LS swap project running.