Custom Rugged Electrical Test Connectors

We design and manufacture custom rugged electrical test connectors built to last 100,000s of connections.

Over 30 years in the business

Founded in 1979, we have built a solid reputation and supply over 80 customers in the automotive industry all over the world.

Jackmark Engineering specialises in the design and manufacture of electrical automotive test interfaces.

Connect to an engine sensor, in any orientation, and no clearance

Test terminal locations reliably and cheaply

Make 180 simultaneous connections reliably 100,000s of times