Many times if the option is available for the model year, the wiring
harness already has the necessary connectors (i.e. there's only one
harness used in all vehicles of that model regardless of the specific
options installed in a specific vehicle).
look at these too...http://www.gentex.com/auto_plo.html
> The wife's Explorer has the inside mirror with the built in
> thermometer and compass display. I have an '03 F-250 that I would
> like to add something like this. ANyone done this and what wiring
> changes were necessary. I'm thinking a used part form the salvage
> yard might be a place to start. Thanks.