Sony NAV-U Car Battery Adapter: XA-DC3

The car battery adapter is an accessory usually provided with the GPS unit. It plugs into the car accessory socket, and converts the voltage to power the GPS unit. You need to make sure that you use the correct adapter for your product. The Sony manual indicates that the NV-U93T, NV-U73T, NV-U83T, NV-U83, and NV-U53, models use the same XA-DC3 Car Battery Adapter.

XA-DC3

This adapter expects a negative earth and is compatible for cars that use a negative earth scheme.

The power plug at the other end of the adapter looks like this.

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