Need help - I did the nav re trofit and the harness wasn't DSP - dont mind though. But it has the bluetooth connectors for my module - antenna etc. When I plug it in though - nothing comes up on my screen.. totally blank.

DO i need to plug in the amp? If so, where?

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2005 LeMans Blue e53 4.8is
MODs
///LeMans Blue RBs///Intravee II///Sirius///ACS Spoiler///AiB v3///HID Fogs///LED Tails///
///215 20" Ferric Gray///MTEC Pedals///DVD Headrests///SMG M Wheel///AFE CAI Stage 2