Installing a toggle switch for your amp?

A toggle switch is an electrical component that controls the flow of electricity through a circuit by means of a mechanical lever that is manually controlled. There are several varieties of toggle switches, but basically, theyre essentially on-off switches for whatever circuit theyre wired to.

Usually, toggle switches are installed in devices that lack a pre-existing means for regulating an add-ons operation.  Eg. someone might install a toggle switch in their vehicle to operate a motor vehicles interior LED light system or for their AMP.

Toggle Switch

Ideally, you need to be able to turn off the amp to your subwoofers so you’re not blasting it all the way down the road 24/7, which begs the question of how to install a toggle switch for your car amp.

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How to install a toggle switch for your amp in 4 basic steps:

  • The first thing to note when installing a toggle switch for your amp is that the remote wire is typically a blue wire that youll see coming from the amp to your stereo. You can cut the remote AMP turn-on wire, but not the main power wire, add an extra length of remote wire, solder them and heat shrink it to protect and seal your wires.
  • Then connect each half of the cut remote wire to each of the 2 connections on a toggle switch. Youll have one going from the switch to the stereo and one from the amp to the stereo. Regardless of where the amp is getting its remote turn-on voltage, this will allow you to turn the amp off while still playing the radio.
  • Next, connect your ground wire to an unpainted, rust-free bolt anywhere on the inside of your car.
  • Finally, mount your toggle switch and tuck all the loose wires away neatly!

Toggle Switch Questions


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Comments (2)

Loren Sherwood - August 23, 2019

How would you use the same setup with a relay

Oznium-dv - October 9, 2019

Hi Loren,

You can rewire it using a relay off the switched power wire to the radio to a relay, you need to use the distribution block to the amp as a source. However, if you have more than one amp, its recommended that you dont use a relay. Instead you could connect a wire from the switched power for the stereo to activate the relay.

Always consult your nearest audio technicians first.