ka24de shell with a ka24e need help

ok first off i got this as a shell with a black top sr and swaped my ka24e into it due to my shell being a complete rust bucket. so my ? is what do i need to change so i can have a speedo ,tach gas gauge and a temp guage? on the fuse box on the pass. side under the hood there are plugs that i could not plug in. i used my e engine harness. but the fuse box was from the de. should i just cut the connectors off my e fuse box and match thm up. let me know asap guys and thanks