Thank you all for your feedback. I bought an $11.99 degausser from Amazon. I kept it far away from my compass and ran it along the center post. The compass is now free swinging and is right on. Now, once I get the elevator counterweight inspection taken care of from the AD, I'll be airworthy!
Thank you all for your help, and excellent discussion on magnetism and electricity. I bought a degausser. I will give it a try after it arrives tomorrow and let you know how it worked.
I'm embarrassed to point out that I flew the plane a few times before realizing the compass wasn't working. Foreflight gives me sufficient information that I seldom use the compass.
I recently purchased a 1966 M20E. It seems the compass is somehow slaved to the post in the middle of the windshield. It will not deviate from 220deg; however, when I moved it away, it swings freely. Does anyone know how to demagnetize the center post? If not, I guess I need to have it mounted elsewhere. I'm new to Mooneys. Thank you in advance!
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