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<blockquote data-quote="bigblocktowncar" data-source="post: 7010769" data-attributes="member: 626237">Yes you can use a relay.&nbsp; It is just an electromagnetic switch that switches when it is energized, instead of when you toggle it, or when you press the button.&nbsp; You can do all sorts of things with them.&nbsp; The wiring for a SPST relay can be found online and most likely on the back of the packaging of the relay.Are you using the remote terminal on your amplifier?&nbsp; You can wire a relay off of the back of your deck using the remote wire.&nbsp; When you power on your deck, your remote wire will power your amp and energize the coil in the relay, essentially power it &quot;on&quot;.&nbsp; You can then run a fused wire from your battery to the neon light....this fused wire will be the actual wire powering the relay, the remote wire from the deck will just tell the relay when to do it.&nbsp; I believe the remote wire should have enought juice to energize the relay.&nbsp; Check the requirements on the packageI don&#039;t know as much about neon lighting but most of those have their own little transformer, correct?&nbsp; I don&#039;t know why it would not light when plugging into your 12v and ground at the amp.&nbsp; You should test the neon light separately with some test leads.&nbsp; Make sure that little transformer won&#039;t create any noise if you have it close to your audio stuff...I could be wrong on the noise issue.Why would you wire it to the tail lights?&nbsp; Your amplifier doesn&#039;t come on with the tail lights.&nbsp; I don&#039;t think it&#039;s good to rapidly switch neon lights on and off anyways.In my experience, it is best not to tap in to the existing vehicle wiring for things like this.&nbsp; A neon light doesn&#039;t use too much power but not a good habit to form.</blockquote>

[QUOTE="bigblocktowncar, post: 7010769, member: 626237"] Yes you can use a relay. It is just an electromagnetic switch that switches when it is energized, instead of when you toggle it, or when you press the button. You can do all sorts of things with them. The wiring for a SPST relay can be found online and most likely on the back of the packaging of the relay. Are you using the remote terminal on your amplifier? You can wire a relay off of the back of your deck using the remote wire. When you power on your deck, your remote wire will power your amp and energize the coil in the relay, essentially power it "on". You can then run a fused wire from your battery to the neon light....this fused wire will be the actual wire powering the relay, the remote wire from the deck will just tell the relay when to do it. I believe the remote wire should have enought juice to energize the relay. Check the requirements on the package I don't know as much about neon lighting but most of those have their own little transformer, correct? I don't know why it would not light when plugging into your 12v and ground at the amp. You should test the neon light separately with some test leads. Make sure that little transformer won't create any noise if you have it close to your audio stuff...I could be wrong on the noise issue. Why would you wire it to the tail lights? Your amplifier doesn't come on with the tail lights. I don't think it's good to rapidly switch neon lights on and off anyways. In my experience, it is best not to tap in to the existing vehicle wiring for things like this. A neon light doesn't use too much power but not a good habit to form. [/QUOTE]

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