The cause of this could be you need new wiring because something like a mouse from outside could have chewed on it or it was shorted out or you may even just need to replace the fuses i would suggest you check your owners manual and find the Radio,heater,clock fuses and check them. The way you check for a broke or burnt fuse is you take it out and you look at the metal on the inside if it is black and broken it is no good if it looks like there is no damage and the metal is connected then you may have a wiring issue.
https://www.youtube.com/watch?v=faWZmG0fXy8
Skip to 2:09 if you dont want to watch the whole video How to Find and Replace Blown Fuse in Your Car or Truck
Answers & Comments
The cause of this could be you need new wiring because something like a mouse from outside could have chewed on it or it was shorted out or you may even just need to replace the fuses i would suggest you check your owners manual and find the Radio,heater,clock fuses and check them. The way you check for a broke or burnt fuse is you take it out and you look at the metal on the inside if it is black and broken it is no good if it looks like there is no damage and the metal is connected then you may have a wiring issue.
https://www.youtube.com/watch?v=faWZmG0fXy8
Skip to 2:09 if you dont want to watch the whole video
How to Find and Replace Blown Fuse in Your Car or Truck