Inside the Lucas 2PR Power Resistor Module

While I was tearing the car apart trying to diagnose a fault in the ignition, one of the things I did was check the Lucas Power Resistor. I'm still not sure what it does but read somewhere that it works with the coil as a ballast (voltage regulator). Since I had the thing out, I thought I'd open it and see what was inside.

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Lucas 2PR Power Resistor module (cover) Lucas 2PR Power Resistor module (inside)

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