Hello, I just installed a new stereo in my 1993 Accord. When I connect the harness the stereo will power up for a few seconds, the antenna will begin to rise, and then it will power back down. If I remove the harness for a few seconds, then reinsert it will continue to do the above. Any ideas on what the issue may be?

 

I guessing you are using an adapter instead of cutting wires for this, if you are what brand of adapter, because I've read my threads with people having alot of problems with the adapter, the honda harness is very picky on brands