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Old 04-06-2006, 10:54 PM   #1
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Default 12V Relay

Where can I pick one or a few of these up? and could i get a big enough relay to run off of the cigarette lighter power wire and run maybe a pocketpc, 5 V GPS, 6V Handheld Scanner, and 2 Cold Cathode Lights?

lol or am i hopin for too much on one power wire / relay
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Old 04-06-2006, 11:54 PM   #2
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I dont know about the other answers to your questions, but heres where you can find Relays: http://www.partsexpress.com

EDIT: For some reason it wont link the actual relay page (DUH) just do a search for them.
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Old 04-07-2006, 04:34 AM   #3
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just search google. 5 pin relays can be found anywhere from rat shack to wal mart.
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Old 04-07-2006, 06:53 PM   #4
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Default Re: 12V Relay

Quote:
Originally Posted by 96bonniessei
Where can I pick one or a few of these up? and could i get a big enough relay to run off of the cigarette lighter power wire and run maybe a pocketpc, 5 V GPS, 6V Handheld Scanner, and 2 Cold Cathode Lights?

lol or am i hopin for too much on one power wire / relay
It all depends on the maximum combined power consumption (watts) on those items. This way you can determine what size relay & wiring to use.
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Old 04-07-2006, 09:47 PM   #5
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I want to figure out how many amps the devices will use all together, but i need V x A = W

and all i know from the devices is voltage
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Old 04-08-2006, 11:53 AM   #6
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Default Re: 12V Relay

Quote:
Originally Posted by markwb
Quote:
Originally Posted by 96bonniessei
Where can I pick one or a few of these up? and could i get a big enough relay to run off of the cigarette lighter power wire and run maybe a pocketpc, 5 V GPS, 6V Handheld Scanner, and 2 Cold Cathode Lights?

lol or am i hopin for too much on one power wire / relay
It all depends on the maximum combined power consumption (watts) on those items. This way you can determine what size relay & wiring to use.
or just buy a regular 40amp relay, which are easily found. run 16ga power in, 16 ga power out, then you can use 20-22 ga for the coil positive and trigger.
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