40A/30A SPDT relay - Ranger-Forums - The Ultimate Ford Ranger Resource


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  #1  
Old 09-24-2007
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40A/30A SPDT relay

anyone know were i can find a couple of these?

they need to be a 14v 40A/30A SPDT automotive relay.

i have tried Radio Shack with no luck......
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  #2  
Old 09-24-2007
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If it is an automotive relay, auto part stores should have it in the electrical section.
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Old 09-24-2007
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I'm pretty sure he would have checked that, maybe try google?
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Old 09-24-2007
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Quote:
Originally Posted by Dixiescott
If it is an automotive relay, auto part stores should have it in the electrical section.
nope....biggest they have is 30A....

Quote:
Originally Posted by 04blackedge
I'm pretty sure he would have checked that, maybe try google?
i tired google, but i am not too trusting......and i want to get it from a company i can get some other electrical stuff from that i need.....most places i found don't have what else i need...
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  #5  
Old 09-24-2007
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That's a lot of amps.

FWIW, the old fender-mounted starter solenoids are simply high current relays. Single contacts though, but easy enough to wire up (high speed of the 2 speed E-fan?).

What are you trying to do?
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  #6  
Old 09-24-2007
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Quote:
Originally Posted by Earl43P
That's a lot of amps.

FWIW, the old fender-mounted starter solenoids are simply high current relays. Single contacts though, but easy enough to wire up (high speed of the 2 speed E-fan?).

What are you trying to do?
i am working up a way to make a Taurus electric fan work.....both speeds, not just one.....i have contacted SPAL and have one of their 2 speed controllers coming....they say that their controller and wiring can handle the start up spike of the Taurus efan (they say they have sold many of their controllers to be installed on a Taurus efan) and the continous run of the Taurus efan (33A).....the good/cool think is, their controller will work with either the factory water temp gauge sender, or an aftermarket gauge sendor....all you have to do is tap into the wire....so there is no more probe in the radiator, the fan will be run off the actual engine temperature....

i will have the low speed come on at ~170* and the high speed on at 190*.....
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Old 09-24-2007
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BTW: their tech support guys sent me a wiring diagram for wiring it up with the 2 speeds working......it looks easy, i just will have to figure out how to run my Auto/Manual/ON switch with it....
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  #8  
Old 09-24-2007
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Niiiiiice.

Sounds worthy of a How-To.

I'd think 170* may be too low, it'll be running all the time, but as long as it's adjustable, you'll get it to how you want it.

/ runs off to Google SPAL /
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Old 09-24-2007
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Quote:
Originally Posted by Earl43P
Niiiiiice.

Sounds worthy of a How-To.

I'd think 170* may be too low, it'll be running all the time, but as long as it's adjustable, you'll get it to how you want it.

/ runs off to Google SPAL /
their site is www.spalusa.com....

i will have to play with it a bit....since the low side of the Taurus efan is susposidly rated at 2800 CFM and the high side at 4500 CFM, i doubt the high side when it comes on is on for long.....i might go with a 15* interval for a safety factor....maybe low side come on at 180* (where the thermostat should open at) and the high side come on at around 195*....
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Old 09-24-2007
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http://www.mouser.com/search/refine.aspx?Ntt=vf4-45f11 its a tyco electronics 40 amp 12 volt spdt relay. not sure if you can use a 12 volt relay.
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Old 09-24-2007
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sweeet....i hope it doesn't take long to get them.....and i hope they have the other things i need....
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Old 09-24-2007
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BTW: i can use a 12v relay......
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Old 09-24-2007
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hey you gonna have an on/off switch?

Just because of the fan blades breaking in the water? Or maybe that's only the cheapo aftermarket fans. But none the less, even though you don't offroad, maybe you like to hit puddles once in a while, and it could be an investment.
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Old 09-24-2007
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not sure what else you need but i think they should have it i keep getting catalog's from them and there like 2.5" thick
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Old 09-24-2007
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Quote:
Originally Posted by Red_Ak_Ranger
hey you gonna have an on/off switch?

Just because of the fan blades breaking in the water? Or maybe that's only the cheapo aftermarket fans. But none the less, even though you don't offroad, maybe you like to hit puddles once in a while, and it could be an investment.
i had a Auto/Off/On on my Jusnes fan, but i am not going to use it anymore.....i am going to make a SPST switch be a power disconnect to the controller incase of that water problem......SPAL doesn't recommend running a switch on their controllers.....
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  #16  
Old 09-24-2007
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try www.digikey.com and www.mouser.com

I get all my electronics stuff from them. same & next day shipping. Go prices.

Let us know!
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  #17  
Old 09-24-2007
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thanks....the first site is hard to navigate, so i am looking on Mouser's site now.....
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