Pioneer chainsaw: kill switch problem


Old 03-14-15, 08:36 AM
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Pioneer chainsaw: kill switch problem

Hi I have a p41 saw made in the 1980s I replaced the cylinder and piston, the kit came with a new flywheel and coil the instructions said they had to changed for the new cylinder,after installing them the on / off switch no longer works the saw will start with the switch in the on or off position it will not shut when you put the switch to off.
I checked the wires and they are all connected none are broken.
Not sure how to test the switch only has 1 wire going to it. When I pull the wire off the switch and ground it to the metal housing the saw shuts off. Not sure if I have something wired wrong?
Maybe someone has some ideas,a wiring diagram, photo from an original p41.
Thank You for your help.
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Old 03-14-15, 11:17 AM
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In order for the switch to actually kill the engine it needs to complete a path to ground. It can't do that with only one wire.

Either that switch itself must be grounded or you may be able to take a wire from the switch body to the metal engine frame.

If you are unsure of the switch you could post a pic of the wiring terminal side.
Old 03-21-15, 08:32 AM
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Make sure the switch makes good metal-to-metal contact with the frame.

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