Wiring for HKS turbo timer

I searched everywhere and got no answer, just wondering maybe some of u can give me a hand, I just bought and old school HKS turbo timer off someone, and it didnt come with any instruction, maybe someone here can point me the right direction. Here is the wire color on the timer

red (big), blue, yellow (big), green (big), grey and black(ground)

where these wire goto i have no idea so please help

i did some searching and find some info but not sure how close it is, due to i got a old school tt and the wire didnt really match up, here is what i think is right

red (big)to ign white
green (big)ign1
yellow (big)ign2
blue tach signal
grey e-brake
black ground

let me know and i guessing it right :hmm:

no one noes??? :idea: