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Discussing Taurus fan relay in the 5.0 Mustangs Forum. I need to know what to buy so i can setup the fan... whats all ... Modded Mustangs is the premier Ford Mustang Forum on the internet. We discuss all aspects of the Ford Mustang on the forum. Registered Users do not see the above ads. Please Register - It's Free! |
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#1 |
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Enthusiast
1989 Mustang GT
Join Date: Apr 2008
Posts: 818
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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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#2 |
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Hardcore Enthusiast
1998 Cobra
13.24@105.66
Join Date: Aug 2008
Location: North Carolina
Posts: 1,749
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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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weeee foooord!
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#3 |
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Regular
88 5.0 MLX Notch
Join Date: Mar 2008
Location: Scottsdale AZ
Posts: 182
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#4 |
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Enthusiast
1989 Mustang GT
Join Date: Apr 2008
Posts: 818
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Whats a diode
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#5 |
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Hardcore Enthusiast
1998 Cobra
13.24@105.66
Join Date: Aug 2008
Location: North Carolina
Posts: 1,749
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allows current to run in one direction only. very vague description lol
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weeee foooord!
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#6 |
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Hardcore Enthusiast
91GT, 88GT, 02GT
Join Date: Dec 2006
Posts: 1,723
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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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*Looking for a decent 90-92 Titanium hatch pull cover and retaining clips* |
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#7 |
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Enthusiast
1989 Mustang GT
Join Date: Apr 2008
Posts: 818
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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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!
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#8 |
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Newbie
Join Date: Oct 2006
Location: Finland
Posts: 19
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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 |
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#9 |
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Enthusiast
1989 Mustang GT
Join Date: Apr 2008
Posts: 818
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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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