yellow card
= Y =
Yet Another
yellow wire n.
[IBM] Repair wires used when connectors
(especially ribbon connectors) got broken due to some schlemiel
pinching them, or to reconnect cut traces after the FE mistakenly
cut one. Compare blue wire, purple wire, red wire.
--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.