Things You'll Need
Instructions
Connect the N64 end of the N64-to-coaxial cable to the port on the back of your console.
Connect the coaxial end of your N64-to-coaxial cable to the coaxial port on your RF modulator.
Connect one end of your AV cable to the proper ports on the RF modulator.
Connect the other end of the AV cables to the proper port on your television. Turn your television and N64 on and change the channel to your AV input channel. You should see the signal from your console on the television screen.