Wiring Diagram contains both illustrations and step-by-step directions that would allow you to definitely really develop your venture. 820037, Briggs & Stratton Ignition Coil Part No. Briggs And Stratton Ignition Coil Wiring Diagram | Wiring Diagram - Briggs And Stratton Magneto Wiring Diagram. In Stock, 1 … 593872, Briggs & Stratton Ignition Coil Part No. AU $28.49 each. Right now I know it has a wire from the points and a high tension wire/cable to the plug. respective owners. Bulk savings: Buy 1. Here we will demonstrate how to check, service or replace an ignition coil in a Briggs & Stratton 3.5HP ... How much should the resistance be my meter on both ends read 9.75 k ohm on on old 500 series 158 cc Briggs and Stratton lawnmower. Most later models use Briggs and Stratton's magnetron coils—essentially a self-contained ignition system that derives its power from the magnets on the flywheel.Testing one of these coils constitutes a relatively simple process. Re: Briggs and Stratton No Spark coil kill wire Regardless of what you have read coils fail just like every thing else randomly especially if they get knocked around or hit.