The porsche has differant connecting end for the e-brake pad spreader arm(lack of a better word) then vw. 944 uses a pin/clip, vw uses a hook. Theres adapter arms that use vw cables (Lanner has them
www.vdubengineering.com ), I cut mine the welded the porsche ones on the vw cable. (not the right way to do it, but it work... For now...)