windscreen wipers

Morning all, As I have a T6.1 startline I'm looking to Retrofit auto lights and wipers. I know there are issues with just changing the auto light switch with errors on the unit. I have been looking around and found this as a possible solution anyone else used it or got a similar solution ...

Hi all. I have an annoying thudding noise on my t6 from my front wiper, on the drivers side. It seems to be when the wipers change direction to do back down towards the bottom of the windscreen. It's been there since I've had the van but only noticing it more recently as I've had my van back...

After a jet wash my rear parking pilot has stopped working other than a longish beep when I first put it into reverse. Any ideas how to fix? Also since I had the van repaired after I was driven into at the front the wipers don’t stay on the rain sensor intermittent. They only stay on slow for 4...