I-Class owners with Structure Scan

I've been struggling with my structure scan since installing it on my newly obtained 21i. I've never had any trouble with my Triton's structure scan image but the I-class has me stumped. I'm more concerned about DC electrical noise interfering with the image. I'm getting overly bight & contrasted images on my downscan. Side scan looks fine to me but the downscan is super bright and slightly blurry.

Any I-class owners here have to change their structure scan wiring (ie run separate power feed straight to battery) to clear up noise? Could it be the DMS computer causing the noise? Are you guys running your LSS-1 power from an Accessory Feed available in your dash or running direct to battery?

Thanks so much!

I just ran mine to an accessory feed and it's mounted on the back pad and i have no problems at all all my images come out great
2007 21I 250 yammy

great to know thanks!