Ignition Wiring

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Old 08-16-02, 02:34 PM
pavery
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Ignition Wiring

I HAVE A 89 4.3 MERCRUSIER ENGINE THAT WON'T START. I'M NOT GETTING SPARK OUT OF A NEW COIL. BOTH POST ON THE COIL ARE HOT WITH A LIGHT TESTER. WHAT WOULD MAKE BOTH POST HOT?
 
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Old 08-16-02, 08:02 PM
BoatMech's Avatar
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Join Date: Dec 1999
Location: Los angeles
Posts: 592
there is supposed to be voltage on both sides of the
coil. if the trigger is not functioning you wont get a spark.
Look inside the distributor, is the sensor corroded?
You can remove the green lead from the sensor module and strike it to ground to simulate a trigger pulse.
It should produce a spark at the coil.


Please be careful. no open fuel sources and no
getting shocked either.
 
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