i know the abs sensor at the front passenger wheel is bad. does anyone have a layout of the wheel or where to locate the sensor. how hard is it to find a used sensor and replace it. the honda dealership wants $250, too much

I found the layout you're looking for in my manual. I'll get those diagrams posted here in just a few.

As for replacing them, I personally would let Honda do the work. ABS systems are really complex. Some people are mechanics solely for ABS systems. And if you don't fix it correctly, it's just that much more money. I'd let Honda do it right the first time and warranty their work.