Points Based Ignition | Electronic Ignition Upgrade
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old guy
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by old guy » Wed May 27, 2009 6:21 pm
I have read all the other posts about no spark but none seemed to answer my question.
Put my 1966 305 Dream away last fall running fine. Last week got her out and no spark at the plugs.
Got out trusty test light. Blue/ black wire at front of coil staedy light. Green wire transversing top of coil no light unless cranking then it pulses. Ideas?
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davomoto
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by davomoto » Thu May 28, 2009 8:49 am
OG, have you tried cleaning and adjusting the points? They may have gotten dirty or oilley.
davomoto
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old guy
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by old guy » Thu May 28, 2009 6:22 pm
Points appear to be dry and clean. Light sparking as engine is turned over. It's unlikeley but is it possible both plug wires failed at the same time?
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davomoto
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by davomoto » Fri May 29, 2009 2:55 pm
Very unlikely. Dress the points face with a points file, or sandpaper, clean with contact cleaner. If still nothing, try trimming 1/4 inch of the end of each coil wire, and re-installing spark caps. Have you tried new plugs?
davomoto
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old guy
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by old guy » Fri May 29, 2009 7:31 pm
Thanks so much for the help here. Okay. New plugs. Cleaned points with #600 emery paper. Sprayed down with elictric contact cleaner. Cut 1/4 " off both plug wires and reinserted plug caps. Checked at wire with test light (-no light) before reinstalling plug caps Still have current to and from condensor, blue wire to coil, at points when open, pulsing green on coil when cranking. The only place with no current is at the plug wires. Grrrrhhh! Thoughts any one?
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Gunner_CAF
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by Gunner_CAF » Fri May 29, 2009 11:13 pm
Is it possible a ground wire is off or broken, or something didn't get re-connected to the battery? It may be more likely that the fault is at some single point someplace.
Gunner
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old guy
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by old guy » Sat May 30, 2009 10:12 am
Thank you! Thank you! Thank you! Took everthing loose that was or could have been a ground contact. Cleaned surfaces and reattached. Didn't see any obvious problems but she fired right up. Now I need a throttle cable - grrr! At least now I know I need one and witout being able to start it i wouldn't have. So, thanks again. Maybe it's time to sell her.