I have this SHURE earphones that i found in my collection. Its my first decent earphones in the early 2000. I forgot the model but its still working. Love the isolation of this and the warm sound signature. Is there a member who do cabling? Problem is one ear is not producing sound (L ear). But if i  wiggle the wire of even move a certain point the sound comes back on the L ear,

 

 

The thick wire coming this Y separator is kinda thick and i roll it a lot maybe that causes the wiring to degrade.

You're probably going to end up paying someone more than the headphones are worth for them to replace the cable on those. I would just take this opportunity to upgrade to another pair of Shure IEMs if you like the signature of them.