the s5 cable will work on an s4. just did that the other day. my cable came undone from the tranny and the actual cable on the inside came out. kinda sucked. but ten bucks later and like an hour i got it replaced. kinda sucks to work on a hot car lol. thats why it took so long

Thats good info..
But i have an s5..wondering if an s4 cable will work on an s5. ?^^?

then my guess would be to just get a speedo cable from any S5. not too sure if an S4 cable would work or not. worth a shot though.

All speedo cables- 86 through 92- for manual transmissions are the same.