Mag timing check, for dumb guys

[Skymaster337B]

So, after I remove the P-lead, do I connect the timing tester wire to the removed P-lead? Or do I need to install a P-lead jumper cable into the magneto and then attach the timing tester wire to that jumper cable?

Originally Posted by Pete Somers

You need to remove the P Lead and remove the cap from all the spark plugs for safety.

Pete