Help! Converting Simpsons to Wrestlefest - coin mech not working

justonemonth

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Help! Converting Simpsons to Wrestlefest - coin mech not working

I'm in the process of converting a Konami Simpsons to Technos Wrestlefest. Have modified the wiring for Wrestlefest, but when I enter a coin its not registering. If I plug in the Simpsons game or a 60in1 board the coin mech works fine. Why would this happen just with the Wrestlefest board?

Its a Quattro 4 credit board. Has power.

Thanks!
 
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Its the universe telling you that converting a Simpsons cab is heracy!

That aside - the fault is probably missing ground for the coin mech, especially if there is a harness in the path.
 
I've set it so can still use the simpsons loom as well! So hopefully not too evil! Why would the mech still work ok if I put in another jamma board? Wiring for wrestlefest looks pretty standard so can't see where I've gone wrong.
 
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