My guess is your water pump is not working properly and the loud chirping sound is from the serpentine belt which also runs the water pump, alternator, ac and steering pump. first thing to check is coolant the cooling fan , thermostat , water pump in this order. chirping sound definitely come from the belt but the cause could come from any of the driven part but im zeroing in on the water pump because the car is running hot. old belt could also cause the chirping.
SOURCE: what fuse controls front wipers 2008 pt criuser
It should say wipers on the diagram of the fuse box cover either on the outside of cover or underneath it. If you lost the cover then you will need to check every fuse or if it does not say wipers it could run off another feature fuse as well like the lighter or radipo. Is anything else not working like what I mentioned? But if you pull the fuses one at a time with the fuse pulling tool they usually have on the box or a pair of needle nose pliars, and look at the fuse to make sure the wire inside is not melted in two. If it is replace it with the same amp fuse as came out of it. There should be some extra fuses on the fuse box if they have not been used up. Once you have found the bad fuse and replaced it then put the cover back on the fuse box and turn the key to the on position and give them a try, If they work yippy Skippy. If not then back to the fuse box where you left off. Keep checking what fuses you have not checked and look for another bad one. Let me know if this did the trick, Raz
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