General Electric Dryer Model DDE7500GALWH. Got it second-hand, have used it for years. The timer and the heater seem to have died at the same time (I don't really care that much about the timer, but the heater is crucial). Not sure how much trouble it will be to disassemble it to get to the heater to test it, and what to disconnect before testing the heater.

I checked the circuit breakers, and both are on. I vacuumed out the hose and house vent to make sure they're clear of lint. Tried out the dryer on all heat settings from low to high. No heat on any setting.

Can't find a diagram showing any fuses, so haven't been to determine if advice to check thermal and heater fuses is valid for my model.

Any advice on what to do next, level of effort/difficulty, diagrams, and part numbers would be most welcome!