Tested every thing fuses panel outlets terminals the light comes on when door is open ,off when I shut it switches all test good... any ideas... I'm stumped...

Here is a helpful site, Parts for Maytag MDG7500AWW Dryer - AppliancePartsPros.com, you can click on your own model number at the bottom for a specific manual and video.

How long have you had this dryer? Often the repair costs are higher than replacement costs. Especially when you consider the time and costs of calling a professional expert.

Can you be more specific about your issues?

You probably have a blown safety and need to use a meter to test them, plus you need to tear it down and clean it.