Coin door interface board for some Williams/Bally WPC era pinball machines.
Williams/Bally Machine Compatibility List:
Corvette
Demolition Man
Dirty Harry
Flintstones
INDY 500
Jackbot
Johnny Mnemonic
No Fear
Popeye
Roadshow
Shadow
Star Trek-Next Generation
Theatre of Magic
Who Dunnit
World Cup Soccer '94
Williams/Bally #A-17051-A
Another great product from Homepin!