1995 Honda Accord driving/ transMission,? Problem?

I bought a 95 Accord. They lost theoriginal key and go an new one( not a new ignition). I drove It from there on home no problem, I hooked up the radio/system and cleaned it out found an after market toggle switch hidden under the drivers dash. I don't know wh then it went to. Anyways. I again drove to the car it crunk no by problem. This time when driving I would start to feel like I was slipping I like it would get to about 35-45 mph to then have no acceleration. As if it slipped out of gear. I could put the car in park take the key completely out the ignition, reinsert it start the car and put it in drive and I think would drive again for five mins or so. And I would have to repeat it. Stop car, put in park, take key out ignition, reinsert crank and put in gear. Well in addition when I turn the car off the anti theff I'm assuming kicks in and the horn Blair's (alarm) and yeah so I dis connected the horn. Then when the horn was supposed to be on instead it was fast clicking in the dash and sounding like the noinkees flashing really fast. Well the car. Couldn't start again after I disconnected the horn
I .re connected it and tried to start it again. And still the Accord will not crank it turns over but will no start! Help!
HAS ANYONE epse had this problem or anything o to he sort happen to a 95 or earlier year Honda's? Help please

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