It may not have one on a '73. If it does it would be under the dash.
Try outside firewall on pasenger's side.
Ethmia omega was created in 1973.
Omega - Marvel Comics - was created in 1973.
300
300
ih the fusebox
The heater core has no gasket. If it is leaking, it must be replaced.
You Don't!
Bad coil wire, bad coil, etc...
The Horn Relay for a 1971 Plymouth satellite is in the fusebox driverside behind brake pedal it is part of the box and it is possible to replace it with any standard relay
you will have to contact an aftermarket supercharger company to see if they make one for your engine.
Should be mounted jusr ahead of the radiator near the passengers side horn.