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RE: Strange ignition problem
>Now here is the strange thing:
>When you try to start the engine(and have a spark plug removed to check the spark)
>there might be one spark when you start cranking, but no sparks after that
>until you let go of the ignition key, then there are few more sparks.
>Put spark plug back in, check primary coil winding, same effect no voltage
>during cranking but a few when you stop as the motor turns under its own momentum.
>Check hall sender (at the ignition control) this seems to be working during
>cranking but I can't be certain as it is hard to read my digital meter
>under these conditions(~AC).
>
>Normally the car will start with the first spark, or when you let go of
>the ignition key. Sometimes it floods, then a small push start gets it running fine.
>Once the car is running it's fine, it's just that it doesn't spark while
>cranking???? It is as if the relay that cuts the power to the lights is also
>some how cutting the power for the spark. Could it be the ignition switch/key?
I bet it could be the ignition switch. I had a similar problem with my 1982 4000S
and it turned out to be the wiring in the fuse box for the part of the ignition
which supplies voltage to the coil during starting
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