proper way to wire in accessories?

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BoominRolla

Copper - Posts: 198

Joined: September 06, 2004

Location: United States

Posted: February 14, 2010 at 11:26 AM / IP Logged

I'm adding on pieces to my system (bluetooth, siruis, navigation, eq... blah blah blah) Would you use a fused multi position distro block wired straight from the battery for the constant then make a 2nd run from the battery through a relay turned on by the ignition or accessory circuit from the ignition switch to power up all switched power circuits???

I could always just run all the wires to the ignition wire or accessory wire in the ignition switch but adding 3-5 extra things never thought it would look all that professional or even be safe to pull that much "current" through those wires...

1995 Toyota Supra

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KPierson

Platinum - Posts: 3,527

This member consistently provides reliable information

Joined: April 14, 2005

Location: Ohio, United States

Posted: February 14, 2010 at 11:55 AM / IP Logged

You wouldn't need two runs to the battery - use a single run for the constant and for the contacts of the relay. Just make sure you size the wire appropriately. The amount of current you are adding seems very low - in your case I would tap the main power wire going to either the ignition switch or the fuse box. I would add a fuse right at the connection and then run that to a distribution block of some sort.

Kevin Pierson

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proper way to wire in accessories?

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