Issue with horn

the "ping" happens with and without the key turned on :S. I checked out the wiring diagrams at MyMopar and 71 Valiant, 70 Valiant/Duster, and 70 Dart/Swinger are all different. Could it be behind the kick panel and thats why i hear the pinging?

Note: my key buzzer doesn't work and i believe its on the same relay, could it be a bad relay then?

sorry for the high jacking