I picked up a cheap fan, can I wire it like this? - Team Camaro Tech
Electrical & Wiring Troubleshooting electrical.

 
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post #1 of 6 (permalink) Old Jun 28th, 03, 12:14 PM Thread Starter
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Steven
 
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I pulled off a small 12" electrical fan from some radiator in a junkyard for free, and it still spins great. I am just going to use it as a supplemetary fan to my existing flex fan, as a pusher. I dont need any fancy relays, etc...just something to get me by until I can do it right. As is right now, my car hits 215 on the freeway back when the weather was 15 degrees cooler than it is now!


I will put a manual on/off toggle switch between the battery and the fan, and I just forgot to put it in the diagram. Will this work OK, or are you doing this ?

edit, heres the link:
http://www.geocities.com/capitolstrokers/fansetup.jpg

You may not be able to click it to open it up, but you can copy and paste the link into a browser and it will work. Thats Geocities for ya

1968 Camaro
355, Comp XR236R Solid Roller, Air Gap, Pro Systems Double Pumper,
TKO, 10lb flywheel, 3.73 rear, Global West Suspension, Corvette C5 brakes
3098 lbs (and falling!)
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post #2 of 6 (permalink) Old Jun 28th, 03, 02:10 PM
 
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That will work, but I would also put a fuse inline also.
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post #3 of 6 (permalink) Old Jun 28th, 03, 03:28 PM
DjD
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Even if you just want to use a switch to turn the fan on and off, spend a few extra dollars and put a rely into the ckt. Not knowing the fans draw be ready for your charging system to be taxed.

</font><blockquote>code:</font><hr /><pre style="font-size-small; font-family: monospace;">(+ batt)===============================[]
(+ batt from key)----&gt;(switch)&lt;-----&gt;(rely)&lt;----(-grd)
(- grd)=====&gt;(fan)&lt;====================[]</pre>[/QUOTE]

...Dennis

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post #4 of 6 (permalink) Old Jun 28th, 03, 03:53 PM Thread Starter
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Steven
 
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Thanks, thats what I needed to know! Im going to try to get my hands on an ammeter to see what this thing draws, because it was a primary fan for some car at one point. We'll see [img]tongue.gif[/img]

1968 Camaro
355, Comp XR236R Solid Roller, Air Gap, Pro Systems Double Pumper,
TKO, 10lb flywheel, 3.73 rear, Global West Suspension, Corvette C5 brakes
3098 lbs (and falling!)
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post #5 of 6 (permalink) Old Jun 28th, 03, 09:47 PM
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good advice, definately use a relay, it's simple and inexpensive. one problem i'm seeing, if your cooling problem was at speed, you mention on the freeway, the fan wont likely help. its more likely a radiator size/flow issue, i'm thinking. hope it works out for you

Sean

1968 rs with an old school 354" SB2.2 pump gas motor.

Repetition does not transform a lie into a truth.

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post #6 of 6 (permalink) Old Jun 30th, 03, 10:09 AM
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I put a new put a new 16" pusher fan on my car several years ago, without a relay, controlling it manually with the lighted rocker switch that came with it. I seldom used it, only when the engine would get a little warm after sitting for long periods in traffic. I have my car "gutted" right now, for a full "restification". I was shocked to find that the wires and connectors plugged into the back of the rocker switch were so melted that I had to cut them ! Definately use a relay on a fan or electric fuel pump (I had that wired up half @ss too !)
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