Some parts can be acquired and units repaired locally for less than Garmin's rate.
Check it out. Used Garmin GPS Units. Some refurbished with factory warranties.
Most units can be updated with new firmware, maps and self contained police
speed, cameras, and warnings, with coverages in the East, Central, and Western
US. Send me an email for further information at:  jameshuggins2000@netzero.net

Used Units are available
                  

Garmin Accessories

   additional power cords are available for nuvi and C3/5 series.  

BRAND NEW, micro sd chip with sd adapter.  NUMAPS -  MAP UPDATE CARD FOR NORTH AMERICA,
just plug them in and you're on your way with current maps. 

*PLEASE REFER TO MANUFACTURER'S WEBSITE FOR COMPATIBILITY INFORMATION BEFORE PURCHASING.*