Ra tuki

Hi all so I have recently converted my bh gt30 to manual using a twin turbo manual 5 speed rev d gearbox and diff now I have check engine light illuminated and also abs now I have no speedo hooked up from what I'm told the auto has a rear and front speed sensor but this box only has the 1 3 pin up front has anyone done this conversion before and can assist me with re wiring into the harness so I get it on the road again I have just plugged the old auto selector in and tied it to the neutral position so runs and drives really good just need to sort out the abs check engine and the park switch to inside the car so I can take the key out of ignition please help!!!!