93 sw20 turbo dash and console electrical problems

Car runs perfectly. All lights work and so does my aftermarket radio unit and aftermarket gauges.
But the main speedo cluster and centre console controls(air temp, aircon etc) and power windows dont work at all. I have unplugged and replugged the battery but no luck

Is this a fuse problem? Or is there more too it. Its more than the speedo so its gota be something connected to all.

Hope someobe can shed some knowledge

Thanks

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