Exterior Fan not starting.

Hello, the fan in the interior unit takes a few minutes to start in heating mode.
If you are talking of the fan in the exterior unit, then that fan is stuck or burned.
If you try to use in cold mode and the fan of the interior unit dont run, then you have problems in the electronic board.

that is a strange one , i think the problem is with the exterior temp sender as the fan cutting in and temp gauge falling is what you'd expect ,try diconnecting the exterior temp gauge ,may be a fuse for it ,if that is all ok i'd get the ECU checked as may be getting a short let me know how it goes

For some reason the alternator output is very low when the lights are dim. Something happens to bring output up to normal when they get bright.
Slipping belt, or an electrical problem.

clean battery cables

If the sound is coming from the outdoor unit, check fan blade if unbalance and if the compressor is making the noise, an internal mounting spring must be broken, be ready to replace the compressor when the internal pipe got broken.

The start capacitor for the fan motor is bad and needs to be replaced.

Indoor unit fan mechanism locked. Check your indoor fan motor for bearing replacement or new motor.

im not qiute sure about this but it sounds to me like you are getting a hard lockout from high or low pressuers on the out side unit

It's Either the fan motor or fan capacitor.

normally squeeling sounds from the freezer is evapurators fan motors... need to pull back panel off freezer and check out fan motor