Its probably just worn out. If you're lucky maybe it happened near an end so you can just snip it off and reconnect it. This could buy you some time until you can get new ones.

__________________
Seth

1984 300D 225K
1985 300D Donor body
1985 300D Turbo 165K. Totaled. Donor Engine. It runs!!!
1980 300SD 311K My New Baby.
1979 BMW 633csi 62K+++? Dead odo