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Unread 01-06-2010, 11:16 AM   #1
StewartCJ7
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1978 CJ7 
 
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Contour Fan Set-up

I have a 78CJ7 with a AMC360, I am in the process of installing the Contour Dual fan set-up. My question is, I want to do this on the cheep side. I really just want to wire it to a toggle switch that I turn on/off everytime I use the jeep. Do I need relays/controller or can I just direct wire everything??

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Unread 01-06-2010, 11:29 AM   #2
CSP
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You need relays at the very least so that the fan gets the full amperage that it requires. You also don't want that much amperage going through your switch.

Relays aren't expensive at all.
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Unread 01-06-2010, 12:57 PM   #3
Cutlass327
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The temp switch controllers can't be that bad either. less chance of forgetting to turn it on. Or just wire it to an ign power source thru a relay, so when the key is in 'Run' the fan is on. Less hassle, fewer switches to clutter dash.
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Unread 01-06-2010, 01:15 PM   #4
Area.3.Fiftyone
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I would just buy the kit and be done with it.

I would not want to run that much amperage through a switch, and would not recommend manually operating the fan.

Running the fan all the time is not a good idea either by wiring it to the run position on the key.

You want the motor to have some heat in it or condensation will build up on the inside and destroy your motor and you'll have no heat in the winter.
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Unread 01-06-2010, 07:24 PM   #5
SpencerC
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How many amps do the contour fans pull, together? I was looking at a fan control switch I found, its simple and easy and cheap. It has to be nothing fancy, the cj gets driven about once every 2 weeks, so this should do.

Only real questions I have is the setup has a AC override wire that goes to AC clutch. Any way I can wire this to a switch to force the fans to run? To ground or 12v?

2nd question, it also has an ignition cutoff switch, you wire it in so that it disables the system while cranking, what would I wire this to? The starter 12v?

This is the kit
AutoZone.com | | Cooling Fan Control | ELEC FAN CONTROL PUSH IN

Should work right?
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Unread 01-06-2010, 07:53 PM   #6
jscherb
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Amperage and other specs for the Contour dual fan can be found here: 33212 Information
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Unread 01-06-2010, 08:04 PM   #7
SpencerC
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Looks like they pull up to 34amps, not sure what the kit I found can handle, but it seems a few other people are using it, so I think(read hope) itl work for what little use it sees.
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Unread 01-06-2010, 11:02 PM   #8
HackFabrication
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Or you could spend a bit more and get the FAL 31165

Flex-a-lite 31165 - Flex-a-lite Variable Speed Controllers - Overview - SummitRacing.com



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Unread 01-06-2010, 11:37 PM   #9
Cutlass327
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If it is A/C controlled, then I'd 'guess' it to be 12v - it'd probably be spliced into the compressor clutch power.
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