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hooking up leds in my trunk


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prophesybh 
Copper - Posts: 78
Copper spacespace
Joined: July 04, 2005
Location: United States
Posted: February 12, 2006 at 7:15 PM / IP Logged  
Sorry if this question has been asked already, but I just could not find and answer.  I wanna hook up about eight blue led lights in my trunk, and I want them to come on whenever the trunk is opened.  My main question is can I just connect them to any 12volt source or do the leds need to be hooked up through some type of relay or circut board.  If anyone could help me it would be greatly appriciated. 
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auex 
Platinum - Posts: 5,041
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spacespace
Joined: December 23, 2002
Location: Arizona, United States
Posted: February 12, 2006 at 8:06 PM / IP Logged  
Use a relay that will convert - to +. Ground neons, wire power to relay. Use the trunk pin switch to activate the relay. You could wire ground directly through the switch, but there is no need to run extra current through it with out knowing what the current capabilities of the switch.
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prophesybh 
Copper - Posts: 78
Copper spacespace
Joined: July 04, 2005
Location: United States
Posted: February 12, 2006 at 9:26 PM / IP Logged  
okay I got the main idea, now my last question is if i run all eight leds of one wire do i need a resistor between each led or do i need a real big one before the first led
Don't Ask Questions When You Already Know The Answer!!!
auex 
Platinum - Posts: 5,041
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spacespace
Joined: December 23, 2002
Location: Arizona, United States
Posted: February 12, 2006 at 11:34 PM / IP Logged  
Resistor each if parallel or single resistor if series. Depends on how you wire them. Resistor also varies as to the LED.
Certified Security Specialist
Always check info with a digital multimeter.
I promise to be good.
Tell Darwin I sent you.
I've been sick lately, sorry I won't be on much.
tbird9290 
Member - Posts: 22
Member spacespace
Joined: February 17, 2006
Location: United States
Posted: February 18, 2006 at 3:05 PM / IP Logged  
i got my 50 blue leds from eccentric audio in cali they have resistors that come off of the positive on each led they cant be over 3V without them... thats just my leds though i don know the brand of yours...
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