Link cable not working

I have a previously working 4player link cable for gba sp. One of the cables got destroyed so I tried to make it a 2 player cable. Although I connect same colors for the cable it doesn't work.. is there any tip ?

Block Image

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0