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Old June 23rd, 2009, 12:00 AM   #1
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Taurus fan relay


I need to know what to buy so i can setup the fan... whats all the parts and where can i get them from
 

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Old June 23rd, 2009, 02:19 AM   #2
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advanced auto. tell them you need a 30 amp relay, some 14 gauge wire, terminal clips like 20 bucks for all that maybe
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Old June 23rd, 2009, 05:32 AM   #3
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this may help you too.

Electric fan wiring???
 
Old June 23rd, 2009, 06:23 PM   #4
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Whats a diode
 
Old June 23rd, 2009, 06:47 PM   #5
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Originally Posted by 1989Gt. View Post
Whats a diode
allows current to run in one direction only. very vague description lol
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Old June 23rd, 2009, 10:20 PM   #6
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Originally Posted by 1989Gt. View Post
Whats a diode
Like already stated, it allows current to flow in only one direction and it has a slight amount of resistance.

Why use it? The "thing" inside the relay that causes the contacts to open and close is a coil. A coil charges up over time and when the power from the coil is removed, it has natural tendency to want to maintain the current flow. To do that it "discharges" but it is in the opposite polarity. Meaning it will discharge but in the opposite way, putting +12v on the negative side and - on the positive side. This "jolt" or surge can work its way back into the elctrical system and possibly damage things. The purpose of the diode is to absorb this discharging of the coil. Since the diode only passes current in one direction, normal voltage does nothing to it, but when this reverse charge comes though, it passes the voltage through it and its small amount of internal resistance absorbs the charge.

This site has pretty pictures explaining it all
Relays
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Old June 24th, 2009, 03:46 AM   #7
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someone give me the exact step by step process on how to wire this thing up im lost and dont know much about wiring so help please urgent!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!
 
Old June 24th, 2009, 08:03 AM   #8
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There's perfectly guide on that link that you got. That Diode (look attached pictures) is a protective element. It will protect your ECU for sudden death. Because electric motor can actually sometimes act like ignition coil. When you cut power from it it can generate very high voltage and that does to the ECU same as lightning do to the people. So this Diode will shortcut this behavior and you should use it. I enclose couple of pictures for you to see.

Br, rru
Attached Thumbnails
taurus-fan-relay-1n5408.jpg  taurus-fan-relay-how_to_connect_a_diode.jpg  
 
Old June 24th, 2009, 04:03 PM   #9
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ok I got everything figured out i think but i had one more question when i mount the electric fan can it be strapped right to the radiator or does it have to be off it a few inches?
 
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