Originally Posted By L.R Helbling
Perfectly normal. It functions as a heat sink for your ignition circuit. Without it, the same thermal energy would be transferred to your ECU, coil or wires cooking them in their own juices.


First time I've ever seen a resistor described as a radiator...

It's not by the way.

Resistance in an electrical circuit generates heat and depending on the components, light too.

If it says Lucas on it smoke is a given...

Kevin