12 volt fan question

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jma5097

Member - Posts: 4

Joined: March 23, 2003

Posted: March 23, 2003 at 3:33 PM / IP Logged

I was going to get a 12 v fan to help cool my amps. I was woundering if anyone knows how to wire a 12 v fan?

bberman1

Gold - Posts: 2,314

Joined: March 11, 2002

Location: United States

Posted: March 23, 2003 at 4:28 PM / IP Logged

To supply it with power you will want to use a SPDT relay. The relay will supply it with power and turn it on and off. You will need to run a power wire from the battery to the relay. To turn it on and off you will connect the remote wire from the head unit. From the relay you will then run the remote wire # 30 on the relay to your fans and amps to turn them on and off. As far as a ground for the fans just tap into a ground source.

Here is a diagram of how to hook it up

87 - Constant

86 : GROUND

30 - Remote Wire Accessories ( amps, fans etc)

85 : Remote Input from HU

87a: NOT USED

Here is some more info on the12volt about relays https://www.the12volt.com/relays/relays.asp

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12 volt fan question

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