Author Topic: Electric fans  (Read 1487 times)

EDNY

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Re: Electric fans
« Reply #45 on: June 20, 2018, 06:38:24 AM »
In a nutshell there will be no power to fan wire (#47) until wire (#71) is grounded via your engine temp switch, or a toggle switch.  To check it, with key on just ground wire (#71)...relay should then close and turn fan on via (#47).  In your picture you had a 20amp relay..you should have (2) 30amp relays one for horn and one for fan. Maybe the fan relay is missing and just needs to be plugged in?

From Speedway site:

Notes

Kit has two flashers for turn and hazard and they are the 2 prong style
30 amp fuse for heat/cool
Two 30 amp relays, one each for the horn and electric cooling fan
Horn and electric fan both have 20 amp fuses in dedicated circuits

Main harness is over 12 in length to satisfy most applications
Headlights are on a 30 amp fused circuit


Fan Instructions:


Front of vehicle connections
Run gray [47] to fan positive + wire. Run fan
ground wire- to chassis ground. Black (71) is fan
relay ground and routes to temperature sensor in
engine, toggle switch going to ground, or direct
to ground if you want fan to run continuous when
key is in run position.


Here is instructions Link:

https://static.speedwaymotors.com/pdf/9106401712circuitwiringkitinstructions.pdf
« Last Edit: June 20, 2018, 06:48:05 AM by EDNY »
33 Chevy 5 Window, 34 Chevy 3 Window, 37 Chevy 4dr sedan

Rattiac

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Re: Electric fans
« Reply #46 on: June 20, 2018, 02:26:09 PM »
Thank you so much. I knew I wasn't crazy .
I'll track down that ground under the dash tonight.
 8)

Rattiac

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Re: Electric fans
« Reply #47 on: June 27, 2018, 12:02:05 AM »
Fan is working. Should be hot enough for a test drive tomorrow.  :o 8)

FATnLOW

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Re: Electric fans
« Reply #48 on: June 27, 2018, 11:35:11 AM »
Thumbs up....  Good to get things done.....Now testing  of the fan

Rattiac

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Re: Electric fans
« Reply #49 on: June 29, 2018, 07:36:47 PM »
Somehow I pulled a muscle in my left hand Tuesday while doing a top on a Porsche. Could hardly squeeze it. Better today , gonna put the hood on in a few.

munch

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Re: Electric fans
« Reply #50 on: July 11, 2018, 12:47:50 PM »
What CFM would you recommend for a 350/330 with plans to run A/C?  It would be a puller.

madmike3434

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Re: Electric fans
« Reply #51 on: July 11, 2018, 03:37:58 PM »
talk to the experts on tech line at VINTAGE AIR, or talk to the DERALE fan people.  They sell both types.

Electric fans have armatures and bearings, both fail.  Steel or aluminum big pitch solid fans only thing goes wrong is belts.

If running air, your also trying to pull thru another radiator and that will cut down the air flow and make it much harder to cool.  The addition of a shroud will help immensely .

mike

munch

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Re: Electric fans
« Reply #52 on: July 11, 2018, 04:49:33 PM »
Thanks Mike

 


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