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09-06-2008, 09:21 AM
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CC Member
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Join Date: Aug 2006
Location: Jersey Shore,
NJ
Cobra Make, Engine: Superformance SPF#2572, 427 S/O 2X4
Posts: 379
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Not Ranked
Cooling Fan Operation
When the thermostat kicks the fans on, are they both supposed to come on at the same time? I thought so, but never paid much attention until I noticed only one fan running yesterday.
__________________
Peace through superior firepower...or is it horsepower? Either way, more is always better!
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09-06-2008, 10:00 AM
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heavy hauler
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Join Date: Jan 2002
Location: Bakersfield,CA.,
CA
Cobra Make, Engine: Shell Valley stroked 342
Posts: 248
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Not Ranked
depends on whar setup you have, mine is setup for the puller fan to come on when the water reaches 180, the pusher fans are on a toggle switch
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I Planted...Watered....But God gave the increase....
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09-06-2008, 10:06 AM
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Senior Club Cobra Member
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Join Date: Jan 2007
Location: Sacramento,
CA
Cobra Make, Engine: Superformance 460 SVO
Posts: 305
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Not Ranked
Archrms, both fans should come on at the same time. check the plug on the other fan and make sure it has power, if not you may have a bad fan . also try the wiggle test, plug could be loose.
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09-06-2008, 10:17 AM
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Beam Me Up Scottie
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Join Date: Aug 2004
Location: Squantum (part of Quincy),
MA
Cobra Make, Engine: SPF1049 Titanium w/black stripes, 351W with Trick Flow Heads, Tremec 3550
Posts: 7,592
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Not Ranked
My SPF, both fans come on at the same time. Turn the fan switch located on the dashboard and see if they both come on. If not, you have a bad ground (maybe not, because most grounds are grouped together on SPF's) or a bad motor, a bad fuse or a bad relay. Another thing could be just a bad connection at the fan. Pull off the pigtail and see what it looks like. Clean both ends and reinstall the connector.
I'm assumining you have your owners guide that shows the fuses and wiring diagrams.
Edit - my SPF has dual fans, each with its own fuse and relay, with the optional fan switch on the dashboard.
Also, you can get a great wiring diagram from Blas on this site.
Wiring diagrams for ALL Superformance series MKIII cars are now available....
__________________
Warren
'Liberals are maggots upon the life of this planet and need to get off at the next rotation.' (Jamo 2008)
Last edited by wtm442; 09-06-2008 at 10:23 AM..
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09-06-2008, 10:58 AM
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CC Member
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Join Date: Aug 2006
Location: Jersey Shore,
NJ
Cobra Make, Engine: Superformance SPF#2572, 427 S/O 2X4
Posts: 379
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Not Ranked
Warren, I will run the wires, and check the connection, ground, ect. this weekend, as it was late when I got it home last night. I have the wiring diagram from Blas, hopefully it will be an easy fix and I wont need that level of detail 
__________________
Peace through superior firepower...or is it horsepower? Either way, more is always better!
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09-06-2008, 04:21 PM
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CC Member
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Join Date: Sep 2002
Cobra Make, Engine: SPF#0760
Posts: 3,405
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Not Ranked
Yes, you should see it on the wiring diagram you got from me.
Don't forget the newer cars had a individual relays for each fan motor.
I would first try swapping out the relay for the offending fan. That
relay is real cheap, easy to find and you should probably always
carry a spare anyway. Call if you have a problem.
Blas
__________________
Wiring Diagrams: SPF MKII, MKIII, GT40, CSX7000, CSX8000, Corvette Grand Sport, and Shelby Sebring, Bondurant & Cinema Tribute Cars.
Owner’s Manuals: SPF MKII, CSX7000, CSX8000, Sebring, Bondurant, Cinema Tribute Cars $ GT40’s..
Large, easy to read and trace schematics with part numbers, wire colors, wire gauge, fuses, and electrical upgrade information. Trouble-shooting and replacement part numbers for those roadside repair adventures.
SPFWiringDiagrams@Comcast.net
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09-07-2008, 09:59 PM
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CC Member
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Join Date: Aug 2006
Location: Jersey Shore,
NJ
Cobra Make, Engine: Superformance SPF#2572, 427 S/O 2X4
Posts: 379
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Not Ranked
I switched the wires from the non-working fan to the working one, and the fan worked. When I put the wires back onto the non-working motor and flipped tha fan switch, they both worked. Flipped switch off, then back on again, and now the one fan will not come back on again (same one that did not work before). Does this sound motor or relay related, and how can I test it further to determine which is at fault?
__________________
Peace through superior firepower...or is it horsepower? Either way, more is always better!
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09-07-2008, 10:07 PM
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6th Generation Texan
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Join Date: Feb 2002
Location: Devil's Backbone,RR 32,
TX
Cobra Make, Engine: Lone Star Classics #240,Candy Apple Red,Keith Craft 418w - 602 HP,584 TQ
Posts: 8,157
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Not Ranked
The no cost way is trade the working fan relay with the non working fan relay.
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09-07-2008, 10:27 PM
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Senior Club Cobra Member
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Join Date: Jul 1999
Location: SF Bay Area,
CA
Cobra Make, Engine: SPF #1019
Posts: 1,657
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Not Ranked
Am I the only one who has a hard time taking eyes off of Fred's avatar?
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09-08-2008, 01:02 AM
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Senior Club Cobra Member
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Join Date: Sep 2002
Location: Montgomery,
TX
Cobra Make, Engine: CR 427 S/C, 351W, 5 Sp & KMP142 - 427 SO, 4 Spd
Posts: 2,212
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Not Ranked
That is an eye grabber isn't it!
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Flip
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09-08-2008, 05:26 PM
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6th Generation Texan
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Join Date: Feb 2002
Location: Devil's Backbone,RR 32,
TX
Cobra Make, Engine: Lone Star Classics #240,Candy Apple Red,Keith Craft 418w - 602 HP,584 TQ
Posts: 8,157
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Not Ranked
It works real well as a screen saver too.  |
09-08-2008, 05:59 PM
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CC Member
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Join Date: Sep 2002
Location: Fort Worth,
TX
Cobra Make, Engine: Superformance Roush 427
Posts: 436
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Not Ranked
Fred, I always wanted to know, did you shoot the video, don't tell a lie or I will tell everyone that you were never able to pass your dad at TMS on the OVAL. LOL, db
__________________
Don Barnes
Driving Instructor
texasdrivingexperience.com
Texas Motor Speedway
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09-08-2008, 06:07 PM
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6th Generation Texan
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Join Date: Feb 2002
Location: Devil's Backbone,RR 32,
TX
Cobra Make, Engine: Lone Star Classics #240,Candy Apple Red,Keith Craft 418w - 602 HP,584 TQ
Posts: 8,157
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Not Ranked
Don,
You know I FINALLY passed him on the last session,Turn 1.
That was only because he didn't realize it was me coming around him!  That's a fact.He would have put a blocking move on me. 
If the boobs in the avatar were in the same house as me,I sure wouldn't be here posting.  |
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