Space Duel to major Havoc conversion

HI25

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Donor 2013
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Hello

After a very long time, begin on 2013 or 2014 with buying a repro roller controller for Major Havoc.
and

one repro control panel with the CPO
One repro Harness for this roller
one Major Havoc PCB
one repro conversion board

Still waiting from TOG one more time for the conversion Marquee and I must find 2 Leaf switch button holder

Today, I try to install all in my space duel cab, to test and the two PCB are working, Good, but I can not wire the Player 1 &2 and can not plug to the main Harness of the Space duel Cab.
I don't want to hack the original Harness.
what is missing at this point ?
 

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You do not use the dedicated Major Havoc control panel harness, because you do not have a dedicated control panel. The dedicated panel did not have the P1 and P2 volcano buttons or LEDs.

You should buy the connector (Digi-Key A14108-ND) and matching pins (Digi-Key A100582CT-ND) that mate with your Space Duel harness and then wire up a custom harness that will plug in directly according to the schematic in Atari drawing 042579-01A.

Biltronix has a nice write-up as he did the same thing when he built his Major Havoc.
 
there is an interconnect board you need to buy that goes in between the space duel harness and the major havoc pcb

do a search here and I think you will find it
 
there is an interconnect board you need to buy that goes in between the space duel harness and the major havoc pcb

do a search here and I think you will find it

Already have this conversion board it's not enough, without this card no sound and no picture.
You can see it in one picture.
 
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