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Registered
Join Date: Aug 2023
Posts: 1
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No power to FP relay on 911SC
I know this topic has been covered a multitude of times but I can't seem to find a thread that specifically covers my problem
I have lost power to pins 86/87 of the fuel pump relay socket! the FP relay is new The fuel pump runs and car starts when power is fed directly to pin 30 with relay out the AFS sensor is lifting and I get a break in ground at pin 85 I have power to the 14pin connector in the engine and fuse 3 I have followed BoyT911SC for testing the system but can't get past the first bit I can't find a fuel pump relay on the circuit diagram fuses are all new ignition switch model is new can anyone suggest where pins 87 and 86 are connected to on the inside of the car I was working on the light switch and things went of after that but ant imaging that any wires are linked can't find any short on pins 86 or87 either |
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08-17-2023, 02:43 AM
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Heck, I’m only 5 not 71!
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Fuel pump relay is on part 1 of the 1981 SC schematics along with the fuel pump and fuse 16 (25a).gets power from ignition switch.
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Pat Henry Targa80 1980SC Targa (Mocha Brown) |
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08-17-2023, 08:31 AM
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Registered
Join Date: Dec 2014
Posts: 13,817
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House producers wanted to end the show after season 8 to keep the enigmatic appeal of the central character and maintain the show's mystique. Ahhh The Mystique!!! |
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08-17-2023, 08:40 AM
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ROW '78 911 Targa
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Bottom of Fuse 16. Counting from the headlight towards the steering wheel.
Make sure the jumper from the top of fuse 16 has power with ignition on. (Jumper should come from top of fuse 11)
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Dennis Euro 1978 SC Targa, SSI's, Dansk 2/1, PMO ITBs, Electric A/C Need a New Wiring Harness? PM or e-mail me. Search for "harnesses" in the classifieds. Last edited by timmy2; 08-17-2023 at 09:00 AM.. |
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08-17-2023, 08:57 AM
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on your engine behind the rubber both is a safety cut off switch .If this goes bad you`ll have no fuel pump as well.
Try to reach and unplug the Bosh connector ,the pump should run rightway with the key on position. Ivan 
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1985 911 with original 501 587 miles...807 226 km "The difference between genius and stupidity is that, genius has its limits". Albert Einstein. |
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08-17-2023, 09:54 PM
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Heinz
