How to wire car to use a 120v outlet to run stereo? - Team Camaro Tech
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post #1 of 9 (permalink) Old Oct 29th, 08, 01:49 PM Thread Starter
 
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How to wire car to use a 120v outlet to run stereo?

We currently have a 1988 Camaro that has been modified to look like a police car with lights and sirens. It also has a pretty nice stero installed by car toys. This car is for a non-profit called "Code 3 Response" and we take it around to shows and events for the kids to see, we will also be racing it at Banidemer for the Colorado State Patrol, Take it to the Track events.

My question is can anyone help me out with wiring the car somehow to allow us to plug the car in at events to a 120v normal outlet and run the stereo and lights without draining the battery?

Thanks, Scott
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post #2 of 9 (permalink) Old Oct 29th, 08, 02:04 PM
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Re: How to wire car to use a 120v outlet to run stereo?

Put a big AC powered battery charger on it.

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post #3 of 9 (permalink) Old Oct 29th, 08, 02:10 PM
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Re: How to wire car to use a 120v outlet to run stereo?

or http://www.nextag.com/12v-120v-inver...78F01C9C17B9B7

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post #4 of 9 (permalink) Old Oct 29th, 08, 02:53 PM
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Re: How to wire car to use a 120v outlet to run stereo?

Quote:
Originally Posted by 82Vettrin View Post
Those inverters are for running 120V appliances from 12V, he's trying to do the opposite. A battery charger is what he wants. The downside to battery chargers is that most of them put out really dirty/noisy power, and may cause interfence on the stereo. I'd try a battery charger first and see how the noise level is, and then go investigate better/cleaner power supplies if needed.


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post #5 of 9 (permalink) Old Oct 30th, 08, 08:58 AM
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Re: How to wire car to use a 120v outlet to run stereo?

I'm with Jon on this one. Try the charger first and if you don't have an 60 cycle hum then you've found the simplest and cheapest way of doing what you want. The battery will act like a giant capacitor and may eliminate any hum problems.

Astron makes some pretty decent regulated power supplies if you need cleaner power.

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post #6 of 9 (permalink) Old Oct 30th, 08, 09:38 AM
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Re: How to wire car to use a 120v outlet to run stereo?

I'd forget about trying to use commerical AC, it's just not going to be available to you at every show and event you go to. Do like the boomers, show tuners and RVers do and get batteries designed to support long hours of use between recharging.

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post #7 of 9 (permalink) Old Oct 30th, 08, 10:04 AM
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Re: How to wire car to use a 120v outlet to run stereo?

Being an ham radio operator, I had not too many years ago a great big 1500w RF-HF amp in a car. I bought a Sears Diehard marine battery (they are designed to deep cycle without damage) , installed in parallel with the existing charging system, and a blocking diode inline. The diode prevents any auxillary components from draining your primary car battery, but it will allow the alternator to charge the aux battery. Worked great.

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post #8 of 9 (permalink) Old Oct 30th, 08, 10:31 AM
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Re: How to wire car to use a 120v outlet to run stereo?

Quote:
Originally Posted by Rodder View Post
Those inverters are for running 120V appliances from 12V, he's trying to do the opposite. A battery charger is what he wants. The downside to battery chargers is that most of them put out really dirty/noisy power, and may cause interfence on the stereo. I'd try a battery charger first and see how the noise level is, and then go investigate better/cleaner power supplies if needed.
U R correct Jon,, my bad on that link..
what I had in mind was this, like an RV uses:
http://www.progressivedyn.com/prod_d...pd9245c_2.html
I linked before I thinked ..
he could find an RV salvage yard and pick one of those up for practically nothing.. they filter the current to avoid noise, and monitor the battery level to prevent overcharging...
taking into consideration the availibility of 110v at the shows where he intends to go, as Dennis mentions.

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'82 Corvette.
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'81 Camaro Pro Bracket car.
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post #9 of 9 (permalink) Old Oct 30th, 08, 08:34 PM
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Re: How to wire car to use a 120v outlet to run stereo?

A continuos duty solenoid between two batteries will allow you to run the secondary battery completely dead and still start the car. The solenoid needs to energize with ignition current and the lights and stuff wired to the secondary battery only. When the car is started the solenoid pulls in and charges the secondary battery. I've done this on a few trucks with slide in campers.

Jeff
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