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cooling fans

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=95261
Printed Date: May 10, 2025 at 3:02 AM


Topic: cooling fans

Posted By: tdsteele
Subject: cooling fans
Date Posted: July 01, 2007 at 7:15 PM

Is it ok to hook these two cooling fans up to the amp remote turn on wire to power them?

https://www.partsexpress.com/pe/showdetl.cfm?&Partnumber=259-125




Replies:

Posted By: INSTALLER_MSS
Date Posted: July 01, 2007 at 9:57 PM

use a relay to power the fans and the amps and any other accessory needed to be turned on by the head unit.

the turn on lead is only at most 1 amp (.5 in most cases) and can only power 2 pieces of equipment max, beyond that you need a relay.

85 - ground

86 - remote turn on lead from headunit

30 - out to everything to be powered up by turn-in lead (amps, crossovers, fans, etc.)

87 - constant power

87a - not used



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