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78 911 SC Died!

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Old 01-10-2023, 01:06 PM
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MoMcC
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Default 78 911 SC Died!

Good afternoon team Rennlist,
Novice tinkerer here....again. My classic, vintage 911 SC died as I lurched away from a stop sign on Saturday. I mention the lurch because I dumped the clutch a bit. I rolled to a stop and it wont start. So, it is a gas or electric problem? Last time something like this happened, I concluded it was gas since I had fire at the coil wire. But, infarct it was a gas problem since the fuel pump relay had given up. With a new relay installed it has run like a top.
I have replaced that relay again and nothing. So, I have a new problem. I still have fire at the coil wire.
What else would you suggest as I peel back the onion and attempt to diagnose the problem?
Thank you in advance!
Mike

Important edit:. I do NOT have spark at the coil wire. I misspoke above.

So, I will check fuses and wiring next.


Last edited by MoMcC; 01-11-2023 at 04:25 AM.
Old 01-10-2023, 03:30 PM
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DC911S
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Does it have a clutch lockout switch that prevents starting unless the clutch is pushed in? If that is bad, it wont know the clutch is pushed in.
Old 01-10-2023, 04:03 PM
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MoMcC
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Originally Posted by DC911S
Does it have a clutch lockout switch that prevents starting unless the clutch is pushed in? If that is bad, it wont know the clutch is pushed in.
Drifting,
Thanks, but I don't believe it has a clutch lock out switch. I don't have to depress the clutch to start it if in neutral.
What else come to mind?

Last edited by MoMcC; 01-11-2023 at 04:15 AM.



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