need some turbo timer help
 

ok here is the deal i have an 86.5 supra that i did a turbo (7mgte) swap in to the motor and harness came out of an 89.

i bought a GREDDY full auto timer but im having trouble putting it in

i was wondering if anyone with an 89 put one in to there car and can help me to find the (SPEED SIGNAL WIRE) on the (ECU)

and also i got a plug-n-play harness abd there are three wires on it that are loose of buy there self and i need to know where they go as well