'96 installing ignition cables?

[3000gtadrenalin]

I like do everything by myself, but now I'm stucked, because
i bought the ignition cables set, i already installed the 3 easier
in the top of the motor, but other 3 of them goes to the back of the motor
i can't see where them goes, i already lifted the car and is the same,

It looks like i have to open the motor.

tell me if i can finish by myself.