TR6LABS

← Back to the Build Log

This is an example entry showing how posts look. It will be replaced with real updates from the garage.

Electrical

Chasing electrical gremlins: it was the earths all along

Dim lights, wandering gauges, a horn with a mind of its own — half the car's electrical faults traced back to one cause.

Multimeter probing a wiring connection on the TR6

British cars of this era gave Lucas the nickname “the Prince of Darkness”. The reality is less mystical: after fifty years, connections corrode — and on this car, almost every strange symptom shared one root cause.

The lesson for anyone with an old car: before replacing any electrical component, check its earth. It’s free, and it’s the cause more often than not.