Sweat will kill a pickup stone dead if it gets on exposed coil wires.
Happens all the time.
Even with potting and enamel wire coating, a literally microscopic nick in a coil wire's coating will admit enough to start corrosion going.
Happens all the time.
Even with potting and enamel wire coating, a literally microscopic nick in a coil wire's coating will admit enough to start corrosion going.