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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Pertronix 1 install diagram and troubleshoot chart<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Ignitor attaches after the ballast resistor<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The current Pertronix coil may be full time 12V but I have not looked at that.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Ron Fraser<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> Tigers [mailto:tigers-bounces@autox.team.net] <b>On Behalf Of </b>Tom Witt via Tigers<br><b>Sent:</b> Tuesday, October 17, 2017 10:55 PM<br><b>To:</b> tigers@autox.team.net<br><b>Subject:</b> Re: [Tigers] Pertronix Ignition<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'>Not as I understand how the Pertronix works. At least the Pertronix I (original). The Pertronix itself is wired to 12 volts + (usually at the ignition switch) and operates continuously at that nominal voltage. The ballast resistor is still needed because the coil, as designed, is associated with it. This does not preclude that one may have an aftermarket true 12 volt coil that does not need a resistor. But, if the coil is designed to have the resistor then it is still needed. If the Pertronix is wired on the resistive end of the stock circuit then it is improper and yes the voltage will drop with potential problems. <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'>A common misunderstood aspect of the Pertronix is that it feeds the positive voltage to the coil. No. What it is really doing is creating a (momentary) path to ground just like a set of points does. Thus, the 12 volt + is not going through the Pertronix and triggering the coil. The 12 volts + is the necessary operating voltage to trigger the electronics to momentarily ground the coil. In essence it is still an “old school” circuit design with a modern method of triggering it. I too thought at one time that the Pertronix was a 12 volt + coil triggering device. But, when it came time for me to install it I was set straight after reading the instructions.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p></div><div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'> <o:p></o:p></span></p></div><div><div><p class=MsoNormal style='background:whitesmoke'><b><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'> <a href="mailto:tigers@autox.team.net" title="tigers@autox.team.net">Mark Rense via Tigers</a> <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:whitesmoke'><b><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'>Sent:</span></b><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'> Tuesday, October 17, 2017 3:31 PM<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:whitesmoke'><b><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'>To:</span></b><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'> <a href="mailto:tigers@autox.team.net" title="tigers@autox.team.net">tigers@autox.team.net</a> <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:whitesmoke'><b><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'>Subject:</span></b><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'> Re: [Tigers] Pertronix Ignition<o:p></o:p></span></p></div></div></div><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p></div></div><div><div><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'>Of course if you are running a Pertronix or other electronic ignition then there is no ballast resistor. If you have one when it gets warm you are dropping the voltage to the electronics down to a threshold triggering point which will cause shutoff. <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p></div><div><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'>On Tue, Oct 17, 2017 at 12:44 PM Jay Laifman via Tigers <<a href="mailto:tigers@autox.team.net">tigers@autox.team.net</a>> wrote:<o:p></o:p></span></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'>Ditto on looking for the bad crimped connection. To my knowledge, Petronix problem mode is simply total failure and done. No stumbling, rough running, or spotty issues. <o:p></o:p></span></p></div><div><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'>On Mon, Oct 16, 2017 at 7:27 PM, Andy Walker via Tigers <<a href="mailto:tigers@autox.team.net" target="_blank">tigers@autox.team.net</a>> wrote:<o:p></o:p></span></p></div></div><div><div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>James: </span><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>I read your post and Ron’s answer regarding the possibility of a problem with the ballast resistor. I have experienced the same issue that you are having, only mine was with a standard point-type ignition. The car would run just fine with no hint of a problem; all of a sudden, it would quit just like someone had turned off the key. </span><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>As it turned out in my situation, however, it wasn’t the resistor that was the problem, but the wiring connecting to the resistor. The previous owner had done some wiring work and had failed to crimp the connector down on one of the wires coming from the ballast resistor. The end result was when the wiring and resistor would heat up, the wire would arc off the connector, thereby shutting the ignition down instantaneously. Once it cooled off, the wire would lay back down into position and it would start back up. Moral of the story…check all of your connections in the ignition circuit for loose wires or bad connections before getting too far into other things. It very well could be as easy as that.</span><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Keep us posted,</span><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Andy Walker</span><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Edmond, OK</span><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='color:black'>From:</span></b><span style='color:black'> Tigers [mailto:<a href="mailto:tigers-bounces@autox.team.net" target="_blank">tigers-bounces@autox.team.net</a>] <b>On Behalf Of </b>James Burruss via Tigers<br><b>Sent:</b> Monday, October 16, 2017 2:35 PM<br><b>To:</b> <a href="mailto:tigers@autox.team.net" target="_blank">tigers@autox.team.net</a><br><b>Subject:</b> [Tigers] Pertronix Ignition</span><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:13.0pt;font-family:"Arial",sans-serif;color:black'>On a Saturday drive, my Tiger’s engine shut off instantly as if the ignition key had been turned off. It would not restart. I suspected that the car’s Pertronix II ignition had died, as they have been known to do. Mine had been reliable for several years, although the car is not driven often any more. I had the car taken home on a rollback.</span><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:13.0pt;font-family:"Arial",sans-serif;color:black'>This morning, I began a series of checks. I ruled out the ignition switch as a possible culprit because the starter, gauges and fuel pump all worked. I checked the wiring connections, coil resistance, voltage to the coil, and even fuel in the carburetor; all were fine. So I connected an induction timing light to confirm that there was no spark – except that there was! Then I got in the car and started it. It ran fine.</span><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:13.0pt;font-family:"Arial",sans-serif;color:black'>Which brings me to my question for those who have experience with these ignition systems: Are they known to become intermittent due to heat? Saturday was a warm day, mid-80s, the car had been driven moderately for about 10 miles and its temperature was normal. Needless to say, I no longer trust this system; but I would appreciate knowledgeable comments and/or recommendations for a replacement ignition for a stock 260.</span><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:13.0pt;font-family:"Arial",sans-serif;color:black'>Many thanks!</span><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:13.0pt;font-family:"Arial",sans-serif;color:black'>Jim Burruss </span><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p></div></div><p class=MsoNormal><span style='font-size:12.0pt;color:black'><br>_______________________________________________<br><br><a href="mailto:tigers@autox.team.net" target="_blank">tigers@autox.team.net</a><br><br>Donate: <a href="http://www.team.net/donate.html" target="_blank">http://www.team.net/donate.html</a><br>Archive: <a href="http://www.team.net/archive" target="_blank">http://www.team.net/archive</a><br>Forums: <a href="http://www.team.net/forums" target="_blank">http://www.team.net/forums</a><o:p></o:p></span></p></blockquote></div></div><div><div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:12.0pt;color:black'>Unsubscribe: <a href="http://autox.team.net/mailman/options/tigers/jay.laifman@gmail.com" target="_blank">http://autox.team.net/mailman/options/tigers/jay.laifman@gmail.com</a><br><br><br><o:p></o:p></span></p></blockquote></div><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:12.0pt;color:black'>_______________________________________________<br><br><a href="mailto:tigers@autox.team.net" target="_blank">tigers@autox.team.net</a><br><br>Donate: <a href="http://www.team.net/donate.html" target="_blank">http://www.team.net/donate.html</a><br>Archive: <a href="http://www.team.net/archive" target="_blank">http://www.team.net/archive</a><br>Forums: <a href="http://www.team.net/forums" target="_blank">http://www.team.net/forums</a><br>Unsubscribe: <a href="http://autox.team.net/mailman/options/tigers/mark44124@gmail.com" target="_blank">http://autox.team.net/mailman/options/tigers/mark44124@gmail.com</a><br><br><o:p></o:p></span></p></blockquote></div></div><div class=MsoNormal align=center style='text-align:center'><span style='font-size:12.0pt;color:black'><hr size=2 width="100%" align=center></span></div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:12.0pt;color:black'>_______________________________________________<br><br>tigers@autox.team.net<br><br>Donate: http://www.team.net/donate.html<br>Archive: http://www.team.net/archive<br>Forums: http://www.team.net/forums<br>Unsubscribe: http://autox.team.net/mailman/options/tigers/atwittsend@verizon.net<br><br><o:p></o:p></span></p></div></div></div><div id=DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2><p class=MsoNormal><o:p> </o:p></p><table class=MsoNormalTable border=1 cellpadding=0 style='border:none;border-top:solid #D3D4DE 1.0pt'><tr><td width=55 style='width:41.25pt;border:none;padding:9.75pt .75pt .75pt .75pt'><p class=MsoNormal><a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient&utm_term=icon" target="_blank"><span style='border:solid windowtext 1.0pt;padding:0in;text-decoration:none'><img border=0 width=46 height=29 style='width:.4791in;height:.302in' id="_x0000_i1026" src="cid:image001.jpg@01D347FB.E5717DE0" alt="Image removed by sender."></span></a><o:p></o:p></p></td><td width=470 style='width:352.5pt;border:none;padding:9.0pt .75pt .75pt .75pt'><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:#41424E'>Virus-free. <a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient&utm_term=link" target="_blank"><span style='color:#4453EA'>www.avast.com</span></a> <o:p></o:p></span></p></td></tr></table><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>