Parobellum
Both the plotter and the radio have bare wires (no connector supplied) so you will need to purchase and install a connector (i like trailer hitch connectors / cables), solder and heat shink the wires or use a terminal strip.
If you visit
www.standardhorizon.com, click on owner's manuals, scroll down to GX2150 you will find a document called "Wiring HDS 8 & 10 to GX2150. Download this document to see the wire connections between the two products.
If you want to discuss, call me at 800/767-2450.
Best regards,
Scott Iverson
Product Manager
Standard Horizon
s.iverson@vxstdusa.com