1. Connect the blue wire from the dash light switch to the light blue wire on the dash light relay.
2. Connect the green wire from the dash light switch to the light green wire on the dash light relay.
3. Connect the brown wire from the dash light switch to the ground wire on the car.
4. Connect the red wire from the fuse box to the power wire on the dash light relay.
Once you have connected these wires, your dash lights should be working again.