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Cranks with fuel, but no spark

March 10, 200817 yr

comment_240133

As you might know a most points systems start on 12V and when IGN is switched to "run" they use 6V. Sometimes the black wires to the ballast are reversed which gives 6V for start and 12V for run. Running on 12V will burn points and quickly bake/kill a "normal" points coil.

When I put my car back together I had said wires reversed and couldn't figure out why I was killing points/coils. A quick search on the board explained this simple mistake.

2c

Jim

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https://www.classiczcars.com/forums/topic/27287-cranks-with-fuel-but-no-spark/

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