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Old 02-09-2013, 08:42 AM
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Wire it all together

Whats the best way to wire my fuel pump and two fans in my 73 vette?? I currently have two relays. One for each fan. Should i get a third for the fuel pum?? All three would power by the battery right?? Would that be crazy to have three red wires gong to the fuse box?? Nothing is connected now.

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Old 02-09-2013, 11:51 AM
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separate

Each device (3) should have it's own circuit wiring and fuse. That way if one device has a problem and blows the fuse it doesn't affect the others.

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Old 02-09-2013, 12:52 PM
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So its ok to have more than one wire coming out of the battery post??? And to the ignition source???
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Old 02-09-2013, 12:59 PM
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Originally Posted by OMARS67 View Post
So its ok to have more than one wire coming out of the battery post??? And to the ignition source???
1 wire from the battery to a junction block. Run your power to your relays from there. Make sure you fuse the power to the junction block as close to the battery as possible and each relay circuit should also have a properly sized fuse.
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Old 02-09-2013, 01:51 PM
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Ahhhh junction box!!! What if i wanted the items to power On with the ignition?? Were should that lead go?? The starter??? Or fuse box?? Can i have multiple wires there or could i add a junction box there also???
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Old 02-09-2013, 01:56 PM
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Ahhhh junction box!!! What if i wanted the items to power On with the ignition?? Were should that lead go?? The starter??? Or fuse box?? Can i have multiple wires there or could i add a junction box there also???
Junction block can have a hot all the time and a hot with ignition on. If you are not sure what you are doing you should find someone who knows to help you. You can easily burn the car down by doing things wrong.
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Old 02-10-2013, 01:59 PM
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Considering all the items you want to power, I would take a look at the relay block products from Painless Performance and buy whatever matches your needs. They provide good directions for how to wire them and there are many variations to choose from.

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Old 02-12-2013, 07:36 AM
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yeah thanks got it done this weekend. you cant go wrong with painless diagrams. easy for a novice!!
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Old 02-12-2013, 09:19 AM
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Another source for automotive wiring products is waytecwire.com

vicrod
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