doodcody Posted May 10, 2012 Report Share Posted May 10, 2012 Hey guys I just finished my build with 4 level 4 15's. Im trying to tune it all with my dd1 and am running into some trouble. My sub amp is a crescendo bc5500d. The RCA's are input left and right, I plugged each one into the dd1 and turned the volume all the way up with track 1 and never got a signal. I plugged the dd1 into a rca going into the 175.4 i also have for my mids/highs and it told me that my headunit clipped at 40/40. I then plugged the dd1 positive end into the positive speaker terminal on the sub amp( this would be the postive wire that comes from the box right?) and plugged the black end into the ground for my sub amp and got no signal from the dd1 with the volume at 39 since that is the max unclipped volume. Am i doing something wrong? Thanks in advance guys! Quote Link to comment Share on other sites More sharing options...
Jessica Posted May 10, 2012 Report Share Posted May 10, 2012 A couple things could be happening. Make sure the bass boost is off, make sure your LPF isnt too low, and you might try grounding to speaker negative instead of the main ground. Quote Rest in peace, walled 87 accord build log 03' Corolla build with AA Mayhem inside. My super random youtube channel and terrible camera work. Wiring comparison by CaptainzPlanetz Wire and fuse guide by Guest SyKo13 Link to comment Share on other sites More sharing options...
doodcody Posted May 10, 2012 Author Report Share Posted May 10, 2012 ill go give that a shot really quick thanks for the quick response! 1 Quote Link to comment Share on other sites More sharing options...
OrionStang Posted May 10, 2012 Report Share Posted May 10, 2012 Are the subs hooked up? Quote SMD Super Seller My Feedback Thread Link to comment Share on other sites More sharing options...
doodcody Posted May 10, 2012 Author Report Share Posted May 10, 2012 Are the subs hooked up? yes they were hooked up as far as subs to amp goes but i unplugged the rcas that were going to the sub amp. Just to clarify all my settings are flat on the head unit, i have the gain, subsonic, and bass boost all the way off on the amp Quote Link to comment Share on other sites More sharing options...
Jessica Posted May 10, 2012 Report Share Posted May 10, 2012 Maybe i miss understood the question. Are you saying you cant get signal from your amp when the rca's aren't plugged into it? Quote Rest in peace, walled 87 accord build log 03' Corolla build with AA Mayhem inside. My super random youtube channel and terrible camera work. Wiring comparison by CaptainzPlanetz Wire and fuse guide by Guest SyKo13 Link to comment Share on other sites More sharing options...
doodcody Posted May 10, 2012 Author Report Share Posted May 10, 2012 Im saying the dd1 signal light will not turn on while it is plugged into the sub amp. Quote Link to comment Share on other sites More sharing options...
OrionStang Posted May 10, 2012 Report Share Posted May 10, 2012 Subs should be disconnected while using the dd-1. Rca's hooked to the amp. Positive of the dd-1 harness to positive speaker terminal, negative to amp or battery ground, not speaker ground. Quote SMD Super Seller My Feedback Thread Link to comment Share on other sites More sharing options...
Guest Posted May 10, 2012 Report Share Posted May 10, 2012 (edited) i didnt know both DD leads were supposed to both go to the speaker terminals. did you read the manual? edit: ninja'd Edited May 10, 2012 by Kranny Quote Link to comment Share on other sites More sharing options...
doodcody Posted May 10, 2012 Author Report Share Posted May 10, 2012 thanks ill give that a try really quick, thanks for the help and patience guys i know this is tedious with such a simple thing. Quote Link to comment Share on other sites More sharing options...
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