Will This Work? - Try This Simple Test! While hearing the noise you want to filter, unscrew and unplug the coax antenna cable from the back of your radio (don't transmit!). If the noise is still there, the filter should work. If is goes away, you are receiving noise as a signal.
Protect your installation with a circuit breaker! Better than a fuse as you don't have to replace anything if there's a problem. Do not forget to protect your inverter / high DC current appliance with a circuit breaker of fuse!
Get the majority of crimp on wire terminals needed for most installation work, all in one package.