Wiring diagram for a Pioneer DEH-X6500BT - JustAnswer Mar 12, 2013I need a wiring diagram for a Pioneer DEH-X6500BT. I have the radio and a wiring harness on order for my 2007 Honda S2000. I downloaded the owners manual for the receiver but the installation instructions are not clear. What I am looking for is a diagram which shows the color coded wire hookups between the harness and the receiver.are you using a Wiring Adapter? if so, Brand & Model Number? .that is correct... you should also know that the wiring adapter is "color for color of the Pioneer. Should be mistake free on the connection..very sorry for the delay, as once the rating is done, it does not show follow up questions . Just to make sure I understand you correctly, it is or.. Amazon: pioneer wiring harness Pioneer Wire Harness DEH-P4200UB DEH-X6500BT DEH-X65BT FH-X700BT DEH-150MP DEH-15UB DEH-2500UI DEH-4500BT DEH-X3500UI DEH-X35UI DEH-X55HD DEH-X5500HD. 4.0 out of 5 stars 30. $6 $ 6. 80. FREE delivery. Only 7 left in stock - order soon.