95 v6 cooling system issues.
Hello new member here. I just purchased my first mustang its a 95 v6 3.8L manual, completely stock. I cannot find a solution to my problem, i have been online for two days reading forums and am now desperate, so here it goes.
The solution search started with me noticing that my temp gauge does not work needle will not move at all and is stuck at C i have checked my fuses and they are all good. I then noticed that my coolant spillover tank was bone dry (radiator was full) i did a coolant fill following all the steps in my haynes manual and found that coolant is flowing (the upper hose got hot) there are no leaks and the coolant i could see in the radiator looked clean. In this process i noticed that my cooling fan would not turn on, i left the car at idle for a good twenty minutes so i assume the engine got hot enough to trigger it. also check engine light is on. car runs great and does not show signs of overheating.
I would like to know what the possible causes are for these my guess from what i have been reading would be Coolant temp sensor, PCM, CCRM, and maybe the thermostat i do not know what or where the PCM is there is no explanation in my manual and cant find any specifics online as to where it is. Is there anything else i should check out and how do i test these? can any of these cause these problems alone or is it most likely a combination of more than one. I need to know where to start or if i am even headed in the right direction.