JVC KD-G421 "Remote On"?

Question

I am fitting an amp in my car, can I use the blue "Ariel power" cable as a remote on or should I run it via the ignition live?

If I can use the Ariel power cable, will it only work when I'm listening to the tuner?

Answer 1

If there`s only 1 blue then it will probably be switched live whenever your JVC power is on. Try not to use the ignition feed or you might hear a "pop" when you turn it on.

Answer 2

If you use the antenna power wire, it will only work when listening to the tuner.

Run a fused (1 amp, 14 AWG) wire from a fuse in the fuse panel that only has power when the car is ON to one side of a switch. From the other side of the switch run the same sized wire to the REM (remote) connection on the amp.

This allows for full control and you never have to worry about forgetting to turn off the amp. The switch is so you can turn off the amp at will so as not to give grandma a heart attack in the car.

You can find fuse taps and in-line fuse holders at any autoparts store.