Accessories for Streetpilot 7200

[Ianrm]

I know it’s getting a bit old. But just noticed on my old 7200 that it has either 2 places with 2 pins each or one place with 4 pins on the cigarette lighter plug to plug something in. The pins are very small and copper, I think. Anyone know what plugs in here?

 

[Nuvi-Nebie]

This is just a guess, it might be for the connection of the DR (Dead Reckoning) cable, also used to switch on a reversing camera, see page 51 of the user manual

 

[Ianrm]

Think you’re prob right on there. The dead reckoning is how it takes a guess at speed based on car speed when going through a tunnel when out of view of satellite? Rings a bell. Thanks