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Registered
Join Date: Apr 2007
Location: Somerset, MA
Posts: 201
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Pertronix and MSD
Hi everyone,
I installed the MSD box and the car ran ok. But I kept having a little problem with the points staying in adjustment. Thinking that I had a problem with the points I installed the Pertronix 2 ignition unit. The car did run but now I am having a voltage problem. Maybe I wired it wrong. Can someone point me in the right direction? Maybe explain how you wired it up so I can compare it to what I did. This is the problem-----I'm suppose to have 12 volts with with the key in the on position.....which I do. Turn the key to start and the car fires but then stalls. With the key still in the on position I have lost my voltage to the box. But if I disconnect the wire to the box and then reconnect it the power is back. Any ideas would be greatly appreciated.  Thanks
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Mike '75 911S '76 911S |
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10-21-2011, 01:30 PM
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Join Date: Jun 2009
Location: Clarksville TN.
Posts: 553
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Tadpole' I wired my MSD and Pertronix on my 1976 911s just like MSD said to. Heavy Red to Battery ( on mine i ran it the starter ) the Heavy Black to ground, Orange to + coil, Black to - coil, Red to Red in Pertonix in Distributor, White to Black in Pertronix in Distributor. Hope this helps.
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10-21-2011, 02:35 PM
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Location: Somerset, MA
Posts: 201
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Hey 1976TN porsche, thanks for the info. That is pretty much the way I have it. Could you clarify the red wire for me. The MSD says for the small red wire to come off of a switched 12 volts. I used the wire from the ignition. 12 volts in the on position. This is also the wire I spliced for the red wire to pertronix. Does this sound about right? Thanks again
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Mike '75 911S '76 911S |
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10-21-2011, 04:23 PM
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Location: Clarksville TN.
Posts: 553
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Tadpole' I have mine hooked to this red wire right here.
Last edited by 1976 TN Porsche; 10-21-2011 at 04:58 PM.. |
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10-21-2011, 04:56 PM
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Registered
Join Date: Apr 2007
Location: Somerset, MA
Posts: 201
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Hey TN.....is that wire going to the MSD box or the red pertronix wire. I have the switched 12 volts going to the MSD box AND the red wire of the pertronix.
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Mike '75 911S '76 911S |
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10-21-2011, 05:03 PM
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72' 911S
Join Date: Feb 2007
Location: Yorkville, IL
Posts: 220
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This is an old post, but I'm currently wiring the same setup. Does anyone know if the above is the correct wiring? Thanks in advance!
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04-05-2015, 09:56 AM
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