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How to make the move to an aftermarket ECU

When you’ve gone a bit custom, you might well benefit from a standalone ECU.

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Zap | How to easily diagnose most any automotive electrical problem

Have some spark outside of your engine block? Here's how to fix that.

How to solve common electrical issues with only a test light

In building the Miata-powered MGB GT pictured, we mated the MG’s wiring harness to the Miata’s engine-management loom using nothing more than a test light.

All , BMW
Troubleshooting 101: Basic steps when your car won't start

Sometimes a Simple, Methodical Approach Can Bring That Dead Car Back to Life.

5 questions to ask yourself before switching to a standalone ECU

Think it’s time to control your car with a laptop? First, a few questions to ask.

How to wire a cross-pollinated engine swap | Swap Science

Here’s how we mated two totally different wiring harnesses to make one functioning car–and how you can do it, too.

How to Properly Tune an Engine | Go Faster!

It doesn't take much for a well-running engine to suddenly need a tune-up. Here are 10 steps to find and diagnose that problem.

Lincoln
Trial By Wire: Creating You Car's Electrical System From Scratch

Building circuits may be intimidating, but with a little careful planning, running wires will quickly feel as familiar as changing a ball joint.

A No-Stress Way to Tackle Wiring for Your Race Car

Working with electricity can be scary, and scary jobs are often left untouched. Why face a potential trouble spot when you can tackle a more comfortable task?

HP Tuners: From Garage to Global

HP Tuners built their business on one thing: Giving everyday enthusiasts the ability to modify factory ECUs to their heart’s content.

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