line lock on 73 duster ?

lot's of info thank's my ? is if I installed the solenoid back in 73 where would I have put it & what would it look like sorry gang I wasn't thinking at the time about a line lock system on the car when we got the car just wanted to get going got stuff out of the way I did not know about,I have the switch & the light that was on the shifter, would like to reinstall, new to this can't wait for spring it's in storage now