J115 wire colors from Twilight Zone on (Corvette example)

Games with the black J115 plug use more colors. On Corvette: pins 11-12 brown, 10 green, 9 key, 7-8 orange, 5-6 white-yellow, 4 white-orange, 2-3 white-brown, 1 yellow-white. WPC-95 uses the same colors and pin order.

Systems

• WPC Fliptronics
• WPC DCS
• WPC-Security (WPC-S)
• WPC-95

Games

• Corvette

Related tips

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• Two wires on one GI pin
• Thin wire on J120 adds to burning on WPC-S
• Coils pulse and backbox flashers too bright: flasher power wire on J132
• Lower pop locks on at power-up: J124 plug fitted on J128
• Backglass cannon fires with the diverter instead of on its own: plug swapped
• F11 blows after a few games: shorted flasher leads on J122
• Flippers and ball launch dead, fuses look fine: F112 solenoid fuse blown

Source: Repairing Williams/Bally WPC Pinball Games from 1990 to 1999, Part One, Clay Harrell (pinrepair.com)