It also includes a very important piece of information - spark is not generated until the points (which are normally closed) are opened.įrom the schematics, I can now see that when the points open, the capacitor (condenser) is allowed to charge from 0V to 12V, pulling a pulse of current through the primary coil of the transformer, which then induces a high Voltage in the secondary coil of the transformer, which is then passed on to the spark plugs. Mercury MerCruiser engines and drive systems are designed, tested, and built exclusively for the marine environment. There's a really good description of how the points system works, complete with an animated graphic of the distributor.
Transformers have to at least 2 coils (windings) inside. Boat-Fuel-Economy / Fuel Consumption Charts & Calculator Outboard motors and Boat motors Inboard: MerCruiser - Volvo Penta Diesel Marine engines Outboard. New Alternator Mercruiser 120 140 175 2.5 3.0 4.3L V6 83-92 12174. Mercruiser Petrol Engine Parts Parts For the highest quality Mercruiser Petrol Engine Parts parts look no further than Europe’s number one Marine part supplier. I found some schematics for the insides of an ignition "coil", which is really a transformer, in electronics terminology.
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My goal is to see of FULL schematic of the ignition system so I can understand it from an electronics standpoint. mercruiser 120 engine removal is universally compatible subsequent to any devices to read. I have an electronics background, not an engine or automotive background. Thanks for adding the 3rd connection to the coil!
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