Led Emergency Lighting
A look at what is currently available on eBay
 Emergency Led Car Truck Strobe Dash Lightbar Light Deck Tow Amber Yellow 16leds US $39.98 
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 LED EMERGENCY EXIT LIGHTING FIXTURE US $8.00
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 Mini LED Light w/ Safety Strap & Emergency Alarm *NEW* US $3.99
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How can a build a display of LED emergency dash lights?
How can a build a display of LED lights?
I sell emergency vehicle lights. I would like to be able select one model at a time (similar to car stereo displays commonly found in retail stores). The display would be a wall with a push button switch that would power 12vdc cigarette lighter outlet. I only want one unit to be powered at a time. Could I do this with momentary switches and a type of relay circuit?
It would be a simple matter of the 12 volt supply wire all the negatives together. Personally I'd get a rotary selector switch and wire the main positive to a fuse then to the incoming and the outputs to each different lighter plug. Be sure to chose components that exceed the highest current draw of the highest current draw light.
You can do the same with momentary switches but they are pricey especially for higher current ones . you can do it to power individual relays but that might get pricey depending on number of lights/relays needed
Another simple way is to use a standard light bar control box and wire each output to a different light
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February 14th, 2009 in
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