The one thats on there is pretty slack the thick rubber end bit is all the way out off the casing thing.sorry don't know what the proper names for them are

I,ve had a look and followed it back to the body were it goes in under the wiper motor but were do i go from there


Is there a guide or some pics on here i've done a serch but can't find anything.
I would be grateful for any advice.
Cheers