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 4Likes
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1
Post By jts359
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1
Post By Tommy
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1
Post By Gpfarrell
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1
Post By 1795
02-11-2023, 06:13 AM
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CC Member
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Join Date: Aug 2022
Cobra Make, Engine: Superformance Mk II 289
Posts: 17
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Not Ranked
Mk II Electric Fuel Pump power wire
We’ve got SPS0061 almost together. I’ve found the black/yellow wire under the fuel tank, but even with key on I have no power to it. Starting up front, there’s power to the #12 fuse and the fuse is good. When I unplug the harness under the steering column and check the pins for the 2 black/yellow wires, I’ve got no juice. Any ideas where my missing link might be? Seems to be in the 18” between the fuse box and the harness plug.
Also, what is a good key on power source for accessories? I’m adding heated seats and a couple of well-concealed Bluetooth speakers.
Thank you!
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02-11-2023, 06:52 AM
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CC Member
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Join Date: Jun 2021
Location: BEACHWOOD,
NJ
Cobra Make, Engine: 347 Ford
Posts: 33
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Not Ranked
Your 4 legged supervisor cant wait for a ride !
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02-11-2023, 07:03 AM
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CC Member
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Join Date: Aug 2022
Cobra Make, Engine: Superformance Mk II 289
Posts: 17
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Not Ranked
Yeah, she’s a natural! If only she was as helpful in Electrical as she is with Excavation!
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02-11-2023, 07:31 AM
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CC Member
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Join Date: Feb 2002
Location: Dadeville,
AL
Cobra Make, Engine: Sold my EM.
Posts: 2,459
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Not Ranked
This is a wild guess because I know nothing about Superformance wiring. But some cars have a device that cuts power to the fuel pump after three seconds if the engine is not running.
__________________
Tommy
Cheetah tribute completed 2021 (TommysCars.Weebly.com)
Previously owned EM Cobra
"Never attribute to malice that which is adequately explained by stupidity." - Hanlon's Razor
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02-11-2023, 10:42 AM
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CC Member
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Join Date: Dec 2003
Location: Gurnee,
IL
Cobra Make, Engine: Kirkham #259
Posts: 1,396
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Not Ranked
A lot of mfg’s install a roll over fuel pump device that has to be reset from time to time....
It shuts off the fuel pump in case of a roll over or crash....
__________________
Morris
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02-11-2023, 10:44 AM
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CC Member
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Join Date: Dec 2003
Location: Gurnee,
IL
Cobra Make, Engine: Kirkham #259
Posts: 1,396
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Not Ranked
A lot of mfg’s install a roll over fuel pump device that has to be reset from time to time....
It shuts off the fuel pump in case of a roll over or crash....
__________________
Morris
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02-11-2023, 10:55 AM
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CC Member
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Join Date: Nov 1999
Location: Rosemount,
Mn
Cobra Make, Engine: SPF 1233-396C.I. Windsor
Posts: 123
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Not Ranked
I don't get power to the pump until I activate the toggle switch on the dash designated for the fuel pump.
__________________
Mike Beamish / Northern Racing Products Superformance service & installation.
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02-11-2023, 12:44 PM
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Senile Club Cobra Member
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Join Date: Feb 2001
Location: Buffalo, NY USA,
NY
Cobra Make, Engine: Superformance
Posts: 4,527
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Not Ranked
Quote:
Originally Posted by NRP/MN
I don't get power to the pump until I activate the toggle switch on the dash designated for the fuel pump.
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That is a MK III which has a fuel pump switch. The MK II ("289") does not. And there is no inertia switch/timer on the car either.
Did you receive your owner's manual and wiring diagram from Blas? An email to him may produce results. |
02-11-2023, 04:25 PM
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CC Member
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Join Date: Aug 2022
Cobra Make, Engine: Superformance Mk II 289
Posts: 17
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Not Ranked
Figure it out. Among the issues, my fuse box seems to have been installed upside down. The circuits were reversed from top to bottom, but the fuses (amp ratings) were all plugged in just like the diagram indicated! More to it than that, but it was a fun day with the wiring diagram and a test meter!
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02-11-2023, 06:01 PM
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Senile Club Cobra Member
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Join Date: Feb 2001
Location: Buffalo, NY USA,
NY
Cobra Make, Engine: Superformance
Posts: 4,527
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Not Ranked
Quote:
Originally Posted by Gpfarrell
Figure it out. Among the issues, my fuse box seems to have been installed upside down. The circuits were reversed from top to bottom, but the fuses (amp ratings) were all plugged in just like the diagram indicated! More to it than that, but it was a fun day with the wiring diagram and a test meter!
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Been there, done that! |
02-11-2023, 07:06 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,000
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Not Ranked
Quote:
Originally Posted by Mark IV
Been there, done that!
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How often do the elves at SPF install the fuse box upside down?  |
02-12-2023, 06:42 AM
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CC Member
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Join Date: Aug 2013
Location: Canandaigua,
NY
Cobra Make, Engine: SPF MKII Riverside Racer FIA
Posts: 2,496
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Not Ranked
Quote:
Originally Posted by patrickt
How often do the elves at SPF install the fuse box upside down? |
Patrick,
They are built in South Africa, it's right side up there 
__________________
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02-12-2023, 08:50 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,000
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Not Ranked
Quote:
Originally Posted by 1795
Patrick,
They are built in South Africa, it's right side up there |
But if they install the fuse box in upside down won't all the electricity leak out on to the floor?  |
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