The Garmin 010-10747-03 12V Cigarette Lighter Adapter for the StreetPilot C510/C550 lets you rely on your car’s power when you need to use your StreetPilot C510 of C550.
Every Garmin product is designed to meet the most demanding standard: customers’ satisfaction. That’s why Garmin equipment is manufactured to give you reliable service for years to come, with intuitive features you can grow into over time - all at a price you can afford.Charge your GPS as you drive with this 12-volt adapter cable.
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This adapter does work for the Garmin nuvi 660.
However, If You Subscribed to the Traffic Alert, this adapter WILL NOT PICK UP the traffic alerts nor will you even get an icon on your nuvi. There is another fuse in the original adapter that came with your Garmin nuvi that supports the “traffic alert”. If your nuvi is still under warranty, Garmin will send you out a repair kit that includes another tip at no charge. They can at their discretion void your warranty if you use another adapter that did not come with your original unit.
Please call 1-800-800-1020 (central time) 8am-7pm technical support. When the “automated person” comes on quickly press 2; then press 1 and you will be placed on hold for the next technician.
Compatible Models: Nuvi 5000, 650, 660, 670, 680, 710, 750, 760, 770, 780, 850, 860, 880, StreetPilot c510, c530, c550, c580, Zumo 400, 450, 500, 550
https://buy.garmin.com/shop/shop.do?pID=1371 ;
Works well. OEM part and a fair price.
Best price I could find for a genuine Garmin 12v power adapter and works for the Nuvi 660.