Classic Straight USB Cable suitable for the Garmin Nuvi 550 with Power Hot Sync and Charge Capabilities - Uses Gomadic TipExchange Technology - Walmart.com
How to Access the Diagnostic Screens in the Garmin nuvi 550 - YouTube
Amazon.com: BUYBITS Ktech Suction Cup CAR Window Mount with Holder for Garmin Nuvi 500 & NUVI 550 (SKU 7154) : Electronics