For what is this connector
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03-03-2013, 02:12 PM
Post: #1
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For what is this connector
Hello,
I need to know the purpose of this connector on AE86. Location is below the ignitor , behind the battery. It is taped to the wire-loom. On mine it is not connected. It's a 1984 Levin GT (without P.S, AC or what so ever. Sorry I don't know the official name of this version). It has 12V after Ignition ON. I want to use it to power my electrical fan (main current). I wired it already and it works, but not sure it's save :wink: How and where is it fused? Thanks a lot for the help |
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03-03-2013, 02:58 PM
Post: #2
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For what is this connector
Hello,
You can find it in the wiring diagram http://files.aeu86.org/manuals/ewd-ae86-...parrot.pdf It is for the noise filter, page 12 (Starting and ignition systems) and it is plug F |
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03-03-2013, 04:06 PM
Post: #3
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For what is this connector
tomtom Wrote:Hello, OK, I see. It should be ok to use it for the ventilator? The noise filter is just an option to filter out disturbance on the radio from the ignition, right? On the diagram it seems it's only fused via the main fuse... that seems a bit risky... Thanks. FYI, picture is my E-fan setup. I use the thermostat housing of an TA60 Celica with temp switch and NC relais (in front of fuel filter). Fan is from Corolla E10 |
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03-04-2013, 01:27 AM
Post: #4
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For what is this connector
I whouldn´t use it cause wires might not be big enough!
What I whould do is run the permanent life of the battery to your relay to the main circut, that is triggered by the switch, that way your fan whould still keep running even with the ignition switched off. In adition to this I´d still put it on an interieur switch, so you can switch it on/ off if you wish to 1979 Toyota Corolla KE35 1983 Toyota Corolla AE86 1985 Toyota Corolla AE86 |
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03-04-2013, 10:13 AM
Post: #5
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For what is this connector
Whatever you do, use a relay. Fans pull some serious current when they kick in, it's not wise to switch it directly.
FABRICA MI DIEM, PVNC! |
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03-04-2013, 10:40 AM
Post: #6
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For what is this connector
It has a relais offcourse so that's fine.
I don't expect it to pull more than 10A... but it might be worth to measure the wire thickness and measure the actual current I guess...(I hope it's 1.5mm ) I can not use it directly from the battery since it's NC relais (NC thermo switch). It would run always after IG off. |
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03-04-2013, 12:00 PM
Post: #7
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For what is this connector
Might be wrong but NC is normal closed isn´t it, so if you reach the temperature the switch opens the trigger circut, which turns on the fan circut. The fan will run until the temp drops and the switch will close the trigger circut, which turns the fan off.
So it won´t be running all the time, unless you temp switch is stuck open. But if you´r worried use the ign 12V from the free plug for the trigger circut, that way it will still work as above, but only if the ignition is on. 1979 Toyota Corolla KE35 1983 Toyota Corolla AE86 1985 Toyota Corolla AE86 |
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03-04-2013, 12:45 PM
Post: #8
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For what is this connector
fax0815 Wrote:Might be wrong but NC is normal closed isn´t it, so if you reach the temperature the switch opens the trigger circut, which turns on the fan circut. The fan will run until the temp drops and the switch will close the trigger circut, which turns the fan off. The thing is, if I connect the main power straight to the batt. it will run always with IGN OFF except if I power the relais all the time and that will finally end up with a flat battery. If relais is not powered during IGN OFF, contact will be closed and the fan will run all the time. Another option is to use two relais than (1 NC, 1NO) but I prefer not to... for no real reason I just don't like it. |
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03-04-2013, 01:39 PM
Post: #9
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For what is this connector
You could go exotic and use an NPN transistor as an inverting switch for a relay. You could easily 'hide' such a circuit inside a relay housing.
The thermo keeps the transistor grounded until it opens, at which point a current can flow through the pull-up to switch the transistor, which will in turn close a normally opened relay. But maybe I'm overthinking this.. a N/O thermo that fits would be a better solution if you ask me. FABRICA MI DIEM, PVNC! |
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03-04-2013, 10:43 PM
Post: #10
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For what is this connector
I´m getting confused, does your switch open or close at a certain temperature?
My old KE35 had a factory electric fan on a bimetal switch that opend the circut at hot temperatures and that was on a relais, in short switch opens, fan starts running (fan loom on a ignition positive). Isn´t that the same what you´re trying to replicate? But surely a NC relais won´t help... So you need a reverse trigger NO relais, or whatever it is called... There is only one thing to do to keep is simple, run a NO relais (which could have the power on a permanent life or ignition life) on a termoswitch that closes the triggercircut at a certain temperature (should be loads avaliable, once you got the right thread) , this switch cold get powered up by the free plug in your loom. 1979 Toyota Corolla KE35 1983 Toyota Corolla AE86 1985 Toyota Corolla AE86 |
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