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Originally Posted by jaydee
They will open the unit, expose the display part, cut 4 traces and solder 8 wires plus a ground and lead these out via a 9 pin d sub conector. This connector goes into a little black box which has other connectors for video in and a switch wire in case you want to add a rear view camera..If you DIY the connections on the NAV unit, it will cost you about $200 less. You still have to pay for the lil black box with the interface electronics..
jaydee
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DIY the connection meaning that I myself cut the wires?