Be very careful about dicing and splicing directly to the fuse box. Depending on your unit, the cigarette lighter adapter also has a voltage regulator built in to downgrade 12V to 6V. I made this mistake when trying to install my Sirius unit. The cigarette lighter adapter also acted as a voltage regulator, and I ended up buying the lighter socket adapter from HD and stored the power plug under my seat. Not to mention a whole new receiver unit. Expensive lesson learned.

 

im wiring my sirius usinging the cig plug. I cut the plug off and wired it into a hot lead behind the fairing. I looked at the plug when I cut it off and it just had a fuse I didnt see anywhere it could step down the voltage. I would think it would reduce the volts in the holder where the fm modulator is located. I havent used the unit yet since im haveing problems with my mounting to handle bars..

 

I found this out after reading the installation instructions. There is a warning about cutting off the cigarette adapter, and should not be done. I found this out after burning out my unit. Again, depending on what unit you're installing. Mine was the Xact unit.

Yours may allow you to cut and splice. I would reread all warnings and/or call the manufacturer before powering up your unit. Cutting off the adapter may void your warranty as well. Just my .02.

 

thanks for the help, never even considered there might be a problem doing that. I have the sporster replay. Ill give them a call.

 

Glad to be of help. I just hate to see other folks make the same mistakes I did.

 

Each radio is different. My Xm Roady is 6 volts. some others are 5 volts. I bougth a converter/power supply off of ebay and hardwired that behind my fairing. I also got a short wire antenna that is mounted inside the fairing and a tach cord to play it through my AUX port in the radio. I made all 3 into a little harness that I fed through the clutch cable hole in the fairing.