bob
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| posted on 13/9/04 at 08:06 PM |
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Rad fan (switchable)
My rad fan has a permanent live so as to run on when the engine iis switched off if hot,this is operated from a stat situated in the top hose.
However,i would like to manually switch the fan on when stuck in traffic so as to keep temp down and beat the stat.
Is it possible to run another live to the fan via a dash switch to do this ?
Any diagrams of anyones handy work would be appreciated.
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JoelP
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| posted on 13/9/04 at 08:27 PM |
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i'll knock up a lillpiccy now bob... 2 mins. 
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Northy
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| posted on 13/9/04 at 08:32 PM |
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Just put another ground to the ground side of the rad fan, through a switch, to ground. Wow, what a lot of grounds! 
Does that make sense? If the fan is high current, you might want to use a relay, but I didn't bother, just used a high amperage switch. Mines
hidden under the steering column.
Cheers
Graham
Website under construction. Help greatfully received as I don't really know what I'm doing!
"If a man says something in the woods and there are no women there, is he still wrong?"
Built 2L 8 Valve Vx Powered Avon
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JoelP
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| posted on 13/9/04 at 08:34 PM |
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picture doesnt want to post... assuming you have a live to the fan and a switched earth, simply take another earth to the dash and stick a switch on
it. if you wanted to really splash out you could also wire this earth thru a relay (using it more like a logic gate) to stop it being left on by
accident when the ignition was off.
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Northy
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| posted on 13/9/04 at 08:37 PM |
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Beaten to it Joel!
Graham
Website under construction. Help greatfully received as I don't really know what I'm doing!
"If a man says something in the woods and there are no women there, is he still wrong?"
Built 2L 8 Valve Vx Powered Avon
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JoelP
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| posted on 13/9/04 at 09:11 PM |
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bugger it...
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bob
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| posted on 13/9/04 at 09:15 PM |
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Cheers lads
I think i'll switch to ground,i just wanted to confirm it was ok and wouldnt conflict with the already switched stat in top hose.
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DEAN C.
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| posted on 13/9/04 at 10:56 PM |
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red to red,black to black and blue to bits!!
Sorry Bob,
If you have got a relay in triggered by the thermoswitch,just take a live feed direct to the relay switching terminal,any switch will handle that
ok..All you are doing then is bypassing the thermosatic switch,one wire ,one switch,low current and still using your original relay.
DEAN...
Once I've finished a project why do I start another?
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bob
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| posted on 14/9/04 at 06:24 PM |
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cheers Dean
I think thats the best option,i wasgoing to run another feed but thought that would be double handling the job.
The only reason i'm doing this is the old pinto does lack a bit of power when it gets hot,traffic is something i have to put up with down
here(well until sundays)
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