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914World.com _ 914World Garage _ Ground

Posted by: Frost Mar 14 2010, 08:27 PM

I was wondering if anyone had a diagram where all the ground points are for the fuel system? Car will crank but no start.

Posted by: Cap'n Krusty Mar 14 2010, 08:31 PM

Big ground post on the left side, under and forward of the relay panel, battery ground strap, transmission ground strap, and a multi tab point under the right side of the intake plenum, on an upper case through bolt near the flywheel end of the case. That's it.

The Cap'n

Posted by: AvalonFal Mar 14 2010, 08:44 PM

My '74 2.0L also has a ground connection to the floor under the passenger seat in the seat belt logic mess. Pull this ground and the car will crank but not start. Looks original to me.

Paul

Posted by: Frost Mar 14 2010, 09:28 PM

Thanks alot, i will look for them in a bit and try to clean them up.

Posted by: RobW Mar 14 2010, 11:13 PM

QUOTE(AvalonFal @ Mar 14 2010, 06:44 PM)

My '74 2.0L also has a ground connection to the floor under the passenger seat in the seat belt logic mess. Pull this ground and the car will crank but not start. Looks original to me.

Paul

This may be related to the ever useful "seat belt or no start" Porsche brain smart supernova...

Posted by: Dave_Darling Mar 14 2010, 11:46 PM

There are other grounds on the car... I'm not sure if the one up under the dashboard near the gauges can cause a no-start, though. And I'm pretty certain the ones up front (e.g., for the headlights) cannot.

--DD

Posted by: ConeDodger Mar 15 2010, 01:20 AM

Do you hear the fuel pump? The late cars at least, have a ground under the gas tank and just forward of the brake fluid reservoir.

Posted by: Frost Mar 15 2010, 11:21 AM

Yes i hear the fuel pump, i accidently had the wires connected backwards when i put the new fuel pump in so pressure was going back to the tank but we fixed that. Im going to replace some hoses tonight seeing as how the fuel injecter hoses started leaking and we got alot of fuel in the engine bay. I replaced the pump, fuel pressure regulator, relay and im going to replace the filter tonight because parts store gave me the wrong one.

Posted by: Frost Mar 16 2010, 12:38 PM

She RUNS!!

Posted by: ConeDodger Mar 16 2010, 12:45 PM

Congratulations!!!

Posted by: Frost Mar 16 2010, 01:06 PM

Haha thanks, after i fixed the ground she started right up, then bled the brake system before i took her out for a drive.