Quote:
Originally Posted by Bluebell
Just to add to, and recap Basemans post. We arrive at the the above results using the 1.5 ohm resistor wired in series with the 1.5 ohm (12volt) coil that we should be using with a V8.
So.... when buying the resistor. Are they identified (rated?) at 1.5 ohms at operating temp (as if the engine is running) What do we buy?
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Yes they are rated , NAPA has a buyers guide that lists all electrical automotive products , there are many pages of resisitors ( and loom wire resistors) each oem manufacture designs the system for correct current loads etc..
This same guide also has pages of ignition coils etc ..
My experience as a technician working on these cars is that most of the time the problems are created by using the incorrect parts during a repair. Imagine a vehicle with the wrong ignition coil , the wrong resistor and the incorrect condensor all at the same time !!! We see this all the time ..