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| Amp Fan http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=45&t=17728 |
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| Author: | Hood297 [ Thu Feb 15, 2007 9:42 pm ] |
| Post subject: | Amp Fan |
i bought a fan from radio shack thats designed for computers because my amp is in a semi inclosed space and doesnt get much air flow and will over heat often causeing it to cut out. ive got it mounted on the amp, but where do i find a switched source? preferably on the amp. right now ive got it hooked to the 12v and ground wire on the amp, but could i get it to be turned on/off when the amp is turned on/off by the remote from the head unit? |
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| Author: | JimJ [ Thu Feb 15, 2007 10:00 pm ] |
| Post subject: | |
Yes you can but I would run the power through a relay. I don’t know how much power the remote wire can supply but it would be enough to run a small relay. |
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| Author: | unixxx [ Thu Feb 15, 2007 11:09 pm ] |
| Post subject: | |
A standard 80mm PC fan only draws 0.2A at the most. You should be able to wire one directly in parallel with the remote-on wire. Just connect the positive wire of the fan to the remote-on wire and the negative wire of the fan to ground. Of course, be sure your remote-on wire has an upstream fuse to protect your head unit. |
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| Author: | Hood297 [ Sat Feb 17, 2007 1:13 pm ] |
| Post subject: | |
well i hooked in the fan to the remote wire and it tripped the head unit and it didnt play any sound. i turned the car off and turned it back on, and it was fine. so will a relay correct this problem? what size? then fans rated current is 0.32 amps max. rated power of 3.84 watts max. |
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| Author: | unixxx [ Sat Feb 17, 2007 4:22 pm ] |
| Post subject: | |
Any 12V coil relay at Radio Shack should work. |
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