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Join Date: Nov 2001
Location: Bethesda, MD
Posts: 1,625
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356 won't start
Hey everyone,
I'm working on a 356 SC, and am getting pretty desperate for help. The car came into the shop with the complaint "it won't start" the starter was bad so we replaced it, and the battery wire to the voltage regulator was disconnected so we reconnected it. Also the spark plugs were replaced. After that it started and ran perfectly. It has never run again. Every ignition component has been replaced, new rotor, cap, points, coil, everything. When you hook an oscilliscope up to it, there is no signal going to the plugs and we can't figure out why. Since we almost never work on 356s this is kind of falling on my shoulders since I had a 912, but I'm really clueless as to why the car won't start anymore. There is one wire in the engine compartment that we can't figure out what it does.... it's a very thick black wire and right now it's going to nothing... it could be something it could be something. If anyone has any advice I would really appreciate it. Thanks, Andrew |
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03-09-2004, 08:20 AM
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Join Date: Nov 2001
Location: Bethesda, MD
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btw, the car has a 6v electrical system if that makes a difference
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-Andy '67 912, '92 C2, and '93 RSA - all gone 
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03-09-2004, 01:00 PM
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Join Date: Mar 2003
Posts: 10,344
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Get Joe Leoni's 356 Electrical wiring diagrams. Can you start it if you jumper between the battery + and the solenoid contact? Car up on jack stands in back key off, trans in neutral...
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“IN MY EXPERIENCE, SUSAN, WITHIN THEIR HEADS TOO MANY HUMANS SPEND A LOT OF TIME IN THE MIDDLE OF WARS THAT HAPPENED CENTURIES AGO.” |
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03-09-2004, 04:34 PM
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Location: Bethesda, MD
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wherever the problem is it's in the engine compartment, I really think it's something in the distributor, but I'm not sure. I know the coil is getting 6v, and that it's sending that to the distributor, but no spark, so I'm really not sure what's going on.
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-Andy '67 912, '92 C2, and '93 RSA - all gone
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03-09-2004, 04:53 PM
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Join Date: Nov 2000
Location: kcmo
Posts: 1,069
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Take the black wire going to the coil and tuch it to ground to see if you have 6Volts going into the coil.
Check the plug wires to insure they are in the correct place on the cap. Make sure the points are opening. Make sure the gas cock in the car is not turning off the supply from the tank. Make sure there is gas in the tank. I'll check back to see how it went. |
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03-09-2004, 06:25 PM
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Join Date: Nov 2001
Location: Bethesda, MD
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i've already done all of that. The 6v wire going to the coil is black with a white stripe btw, there is a black wire, but it runs the electric tach.
In all seriousness there is no reason why the car should not start.
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-Andy '67 912, '92 C2, and '93 RSA - all gone
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03-10-2004, 07:52 AM
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Join Date: Dec 2003
Location: winter park, fl
Posts: 3
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check with the 356 registry - www.356registry.org - if there is an answer, that is where you will find it.
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1965 356 c |
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03-22-2004, 07:23 AM
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