FOR DP-FI SYSTEMS The easy eay is to unbolt the alternator and let it sit for a minute. Now literally give the Honda a hug... put your left arm down the left side of the intake and then underneath...
The alternator is in a tricky spot, you need to finagle it out thru the top it is difficult but possible just work it towards the passenger and up, but if tetris is not your favorite game of...
on my 87 Si the horns were accessable by removing the metal splash pan located under the car behind the front bumper 10 mm bolts one horn is on each side must be done from under car very easy once...
Take a long extension. Usually two connected together and get the screw you can't find out from the back of the alt. This is only accomplished by taking the passenger tire off and reaching in there...
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Don't see any date here, so I don't know how likely it is you fixed your alternator. If not, this is one of the best pieces to work on and troubleshoot. I put together a whole bunch of my own...