1.6 8v spi wiring into sj410 ?

[lukey4x4]

hello people I am stuck on what to do with my engine and wiring I have the 1.6 8v spi and its going In my 410 but not sure what to use will it wire straight up to my existing wiring .I got all the loom and everything with engine but no key with eg barrel so do I have to use that , thankss