Need more Information. Where is this fusible link and what year and kind of car. Is it in gear. Is the a/c or defrost on? are the cars exterior lights on and working properly?
Get a new car
There is something wrong with the compressor or there is no refrigerant in the system. Have it checked out. Goodluck Joe
Low coolant? Wrong thermostat temperature range? Heater core plugged,restricted or airbound? Water pump not circulating coolant? Temperature control cable not adjusted properly?
Could be the fusible link from the starter solenoid to the starter itself. Also, other fusible links are installed by the manufacturer of the vehicle to protect your entire electrical system. A wiring diagram will be a great help in finding where all you fusible links are installed.
AnswerReplace the blower resistor.
check you thermostat for the temp setting
it could be your engine mounts are needing replaced
sounds like you need a new head gasket
It could be anything from the engine to the connectors
Inside the alternator
Condensor is overloading. Had the same problem last year.
it could be your thermo stat