ASL is a fast paced and forward thinking manufacturer of wiring looms and wiring harnesses for the Motorsport Industry. Based in Bolton, our harness production lines are streamlined for efficient manufacture, complete with 10m long wiring boards and side stock filled trolleys for all materials and tooling.

We have an incredible harness production team who are dedicated to producing world class looms, whilst exploring ways of reducing weight which is ever so important in Motorsport.

Quality Wiring Looms

As a trusted supplier of high reliability, high quality and technically advanced components and products, we are the supplier of choice for wiring looms to an impressive list of world leading manufacturers including; Aston Martin, Ford and Rolls Royce.

Every wiring harness we manufacture is 100% electrically tested and all our production processes conform to Quality ISO 9001.

All our wiring harnesses are manufactured to the fastest possible lead times and built from customer specification.  

• Competitive Prices
• Quality Assurance
• 25 Years of Experience
• Engineering Support
• World Class Customers

ASL is without a doubt the best UK manufacturer of wiring looms and wiring harnesses. They have been our preferred supplier for 10 years because their quality and attention to detail is none other than excellent, and they deliver when they say they will - which is something my other suppliers don’t do! For us we find working with ASL extremely easy, they are always quick to respond and support us with fast turnaround deliveries when we have urgent demands.

Electrical Engineering Manager – Alexander Dennis