I am considering replacing the OEM speedometer on my 09 Softail Deluxe with a combination speedometer/tachometer-color -matched lighting. Do this speedometer/tachometer maintain the other functions or do I lose the clock function, security lamp, check engine lamp, low fuel warning lamp, battery lamp, sixth gear lamp, and dual tripmeter in exchange for a tachometer? Thanks, I would appreciate any information

 

i suppose it would depend on which model unit you go with. As far as I know, all the Harley units should keep all those functions.

I, though, HIGHLY recommend a Dakota Digitial unit. Love mine.
This is the one for you bike, I think.

 

if it's the HD unit, you'll retain all the functionality of the stock speedo