Quote:
Originally Posted by timmy2
Use the correct Fuel pump relay schematic, correct wire colors and includes the diode.
This is from the ‘78 schematics.
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My car was originally a 1977 911S not an SC, albeit I am now running gas flowed Motronic fuel injection on a big bore block but with 3.3 Turbo crankshaft. I wonder if that makes a difference? Is the diode inside the standard red 5 pin relay or external? The black relay from the horn circuit, which is I believe a simple make and break relay not a changeover, works OK (at least in the short term) on my car in the fuel injection relay socket.
Wilson