Originally Posted by DogHauler

Need some help folks, I had my sub running off high level inputs ++ wired to + on WPT and -- to - on the WPT. I decided to test out RCA's and low level so put WPT + to one RCA and - to the other. Obviously this caused all sorts of signal issues.

So plugging only a single RCA into the sub low level input I have pretty much problem free signal and greatly increased range to where I could dial back my settings and fine tune it a bit more. It didn't matter which RCA or which position I plugged it into as long as it was solo.

My question is if I should be running WPT + and - into a single RCA? The sub only has a L and R RCA input option.

(2015+ XLT, current FORSCAN setting is Aux Speaker only. It worked ok with Aux Sub and Aux Speaker wired into the High Level harness. I haven't tried changing back to Aux sub and plugging in both RCA's again yet)

Thanks in advance

Originally Posted by DogHauler

Are you set at Aux Sub or Aux Speaker in FORScan?

When I had both RCA's plugged in it was constant noise like the sub was fighting itself.

With the + or - RCA input by itself into either L or R it sounds fine. I'm wondering if it's my FORScan setting (which is the hardest to change fast, just because it's hot as heck outside when I get home from work so would have to wait til this weekend to change) or if I can put the + and - into the same RCA with my current setting and possibly get a full signal without issue (this is the easier thing to try but I'll have to possibly get better RCA's since there isn't much space in the terminal to screw in 2 wires). I don't think the amp is mono because then it would only have 1 input I thought, but I'm not very technical when it comes to speakers and obviously you state yours is mono and has 2 input ports for the RCAs

The only setup I can find with people with the same sub as me, they are using + and - from speakers through a line converter to an RCA from each side. Can't find anyone using a Ford vehicle and the WPT setup. I can always revert to high level which is how I had it before, but I had to max all settings to get acceptable bass. With the current setup I have plenty of boom and lots of room to tweak, but it doesn't feel right not employing both + and - when people are still debating whether it's actually combined L/R signal going through it.

Originally Posted by DogHauler

Yep that was the issue, had to tape the - to the outside since the cheapo rca was missing hardware. I can buy a quality solder plug now and have a few beers and forget this ever happened Seriously thanks for helping me catch my derp moment.