About Maxi-Seal Harness Systems

Maxi-Seal: Where Custom Meets Quality

With more then 15 years of experience, Maxi-Seal harness Systems can solve your harness systems problems. As a subsidiary of Peterson Manufacturing, one of the leading manufacturers of vehicle lighting products in the world, we are positioned to be an even more valuable resource.

We supply our customers with quality products that are engineered and manufactured to your specifications and deliver the product on time.

The key to our success is our ability to manufacture a quality product at a competitive price and our quick response to our customer’s specific needs. We promote this throughout our entire organization. We are the most reliable harness supplier in the industry, and work hard to find innovative ways to improve your custom harness experience.

Maxi-Seal bringing custom harness systems to the road.

Why Buy Maxi-Seal

What sets Maxi-Seal apart is the fact that we custom-design every one of our harness systems to fit our customer’s individual situation. Our experienced design engineers use state-of-the-art CAD equipment where each system is custom tailored to fit your application before the first production sample is ever run. This reduces wasted time and effort while holding down costs.

Our modern manufacturing facilities allow us to produce every system to exacting standards of quality and performance. Even in the most demanding applications; we are able to deliver maximum harness integrity and efficiency.

We also feature pull testing and no bare wires around our plugs. And unlike conventional splices, our ultrasonic welding does not cause any voltage drops.

We don’t just manufacture the system and then walk-away; our Customer Service department is always there to provide you any assistance you may need.

The finest design. Quality materials. State of the art manufacturing facilities. Unique processes. The best support staff......... it is a combination that adds up to your best wiring value.