I ain't no wizard, but I think the oil pressure sender wouldn't work too hot. It seems to me that the problem with alternators is the "backfed" voltage from the alternator supplies the ignition coil and keeps the engine running even after switching it off. Looks to me like you would switch off the ignition, but the oil pressure would still be up, thereby supplying voltage to the coil from the alternator.
The "idiot light" works as a current limiting device by not allowing enough current to pass the bulb and run the ignition. Put a larger bulb in the circuit and the engine will continue to run.
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Today's Featured Article - Women and Tractors - by Teri Burkholder. The View from the Garage - Never a doubt, everything on our farm is a learning experience. I've been working very hard to get our two rundown Farmall A's sanded, primed , bondo�d, fiberglassed and painted before our big local tractor show called the Tulip Festival. My husband Ben came in the garage one rainy day to see if he could "help". Well if you knew Ben you wouldn't want him anywhere near your spray gun, fiberglass or bondo! So I pulled out the 2 old yucky looking magne
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