Smelled burning wire and then stopped running

sucked up liquid goes with the air through the motor
that would cause the motor to burn out
with the current low cost of new vacuums , the repair /replacement of the motor would be close to a new unit
take it to an appliance repair shop and get a proper diagnosis and quote

Sounds like one of your idler pulleys has failed and probably burned up the belt too.

Please take your cadillac to a reputable shop and let them fix it before you kill it for good.

I would take it to an accredited ac specialist shop if you have to. The burning plastic smell is from a shorted wire ( ac compressor solenoid or thermostat under the dash)

Check under the car and look for a plastic bag that may have melted on the exhaust.

tv issue posted in car and truck section.

Could have been the resistor or the blower motor. It was probably a burning wire smell.
Check the blower motor for power and ground.

Only fuse you need is the power wire leading to your aftermarket amplifier for te subwoofer. Which most likely you have too small of a gauge of wire and burned straight through it, and if you haven't, add a 40 amp fuse near the battery where your power cable is hooked up to. Also use a multimeter to test your power wire on amp, check the

1st thing to check is when you put in gear when cold and again when hot Take off fast ,,the noise if there igoes up and down with the speed and rpm ,,the noise you can hear mostly is the pump in side the gear box is not pushing enough pressure to the Forward Band clutch which drives the car so it has to slip and that is what you can smell the clutch bands burning And the more you can smell it the worse its getting and soon will let you down in a place you dont want to be..
So get it checked out new or as soon as poss
The A/Con clutch also sounds like its worn out.

check the power cord itself, if you see on the back side of the cord a burnt or blackened spot then the cord is the issue