Hello, firstly my apologies as I had to get back to work using the local bus and Uber and could not focus on my car. Your post on backtracking was a godsend and lifesaver. Today I did exactly like you mentioned and found a loose bolt in the engine fuse box!!. I tightened it and the fuse location chart given by @
Blasirl was of immense help as I could track the wiper fuse location. I unplugged and blew off some dust and plugged them back in and started the car. To my wonderful surprise the wipers started working along with the washer fluid and the beeps returned and importantly the check engine light disappeared. I test drove before I could rush in and post it here and so far I didn't get the lights back on. The two sensors I ordered from Amazon and also heeding your advice I got a set of fuses as well have not been used. I may change the sensors but will defer it as I have had enough of time spent on this car and have to catch up with work. Only the power seat seems to be working erratically and it no longer raises up or down. I don't see it as much of a hindrance but will look into it at a later time. But more importantly thank you so very much for being there and helping me to get back on this vehicle. thanks to you, @Blasirl,
@plano-doug and others who commented and without this forum I would have been lost for options to think and work. Thank you all once again