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November 12th, 2007 01:56 PM #1
sir question lang:
is there any disadvantage of having too many relays?
i got a relay each for my two horns, a relay for each headlight, and a relay for the foglights.
that makes 5 relays na ipinakabit ko (not counting the stock relays sa fusebox).
also, if there is a relay already installed and you add another, would it add up?
thanks.
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November 12th, 2007 02:05 PM #2
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November 12th, 2007 06:32 PM #3
What horn are you using? Usually, horns just need 1 relay for a pair. But that's ok. As mentioned, it's better to have the relays than none at all.
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November 12th, 2007 06:56 PM #4relay is usually essential ... so guess having them is better than not having at all ...
i agree
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November 12th, 2007 07:28 PM #5
mga sirs, how about DISadvantage naman? saka kelan po sobra na ang relays?
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November 12th, 2007 09:01 PM #6
If you have two relays in one circuit. In cases wherein an electrician doens'nt know or too lazy to locate to replace.
Relay usually have two outlets(87) good enough for a pair of horn (one each)
Relay are usually used for high current or quick response accesories. headlight is an example of the first, horn and magnetic coil(A/C) is for the second.
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November 12th, 2007 10:34 PM #7
Why did you add relays? Are the headlights, foglights and horns bigger (draws more current) than stock? If not then I don't see the necessity for additional relays. Your car already has relays. Relays are added if you uprate the lights or horns and the original relays can't handle the added load. Or as an easy fix if the original wiring is old and corroded and cannot handle the same current anymore. Ideally I'd take out the old relay and put in a new one (and bigger if I'm uprating), but the idea of breaking out the car's fuse and relay boxes and neatly wrapped harnesses isn't appealing to me, so I'll go with the easy fix
Simply put, if you don't have to - then don't.
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November 12th, 2007 11:54 PM #8
A relay takes the load off low ampere switches such as the column mounted rotary switch for park, headlamp and wipers. It feeds power directly from the battery to your lights, horns and audio syatem. More often 1 relay is enough to power one pair of headlight or horn. Car manufacturers installs just the right amount of relay for a load or application, I guess this is where economics comes in. My only concern here is more relay means more wire, more sockets and more joints and as we all know these are affected by heat and moisture. What could be a simple fault to isolate might turn out to be nightmare if the electrician isn't the one who installed your added relays.
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