Coil Tester needed 1 Attachment(s)
Does anybody have a US source for a coil tester like the one shown. This one is a little pricy on ebay at $50 and I would pay that except it is in Columbia and would be 3 or 4 weeks to get to me. I would like one much sooner than that. Any help would be appreciated. Jim in San Jose.
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Re: Coil Tester needed https://www.autoblog.com/2016/08/01/...ignition-coil/
https://www.liveabout.com/bench-test...n-coil-4177225 There are a lot more, just google test car coil |
Re: Coil Tester needed I made one using an old distributor and spark plug.
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Re: Coil Tester needed What I am looking for is a device that makes and breaks the primary circuit continuously so I can see the spark. I have a tester that measures the primary and secondary winding continuity and resistance. The picture posted is not very clear but there is a blithering continuous blue spark shown. That is what I want to do and see. Thanks for your help, Jim in San Jose.
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Re: Coil Tester needed 1 Attachment(s)
I got one like this on Epay.
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Re: Coil Tester needed Been using one of these for years, it will show the intensity of the spark, and by using the adjustment wheel how long it is. At $8.00 makes a great gift for gear head friends
https://www.ebay.com/itm/1-Spark-Plu...cAAOSwYDZd-Y5x |
Re: Coil Tester needed |
Re: Coil Tester needed The old Sun CCT-10 coil tester was a very good unit but is still expensive to this day.
It does a condencer test and a coil test. https://www.garagejournal.com/forum/...ad.php?t=32791 The ones made back in the 50s would even preheat the coils for a good test but they didn't test the condenser and they had no oscilloscope. |
Re: Coil Tester needed Quote:
Thank you in advance, Kyle Holt, MI |
Re: Coil Tester needed From the bottom of the knob to the tip of the point is 1 51/64".
I would like to find the neon bulb. It shows in the picture but the seller did a lousy packing job and it was broken when it arrived. Bob |
Re: Coil Tester needed Thanks Katy. That is exactly what info I needed. I will try to build the tester you show. Jim in San Jose
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Re: Coil Tester needed Quote:
Bob, thank you for taking the time to measure that. My Snap-On MT-640 model's stationary point appears to be about 3 times longer than the Snap-On MT-335 model. The adjustment knobs are different lengths. From your photo I think the two brass posts are about the same distance apart. Do you or any other members know what is a satisfactory distance the spark should jump for a 6 volt coil to be considered good. Thank you again, Kyle |
Re: Coil Tester needed 1 Attachment(s)
Kyle, if you can borrow one of the cheap spark testers you could measure the spark gap at various voltages. May not be accurate, but should be close.
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Re: Coil Tester needed 1 Attachment(s)
Or try this chart:
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Re: Coil Tester needed I just read an article that showed a coil can be tested with an ohm meter by checking across the two small posts and then checking from one small post to the spark plug connector.
This was for the Model A but did not give any spec's as it said "Determine the resistance using your multimeter and check to see if it's within the acceptable range". What is the acceptable range on a 6V coil on the Model A? |
Re: Coil Tester needed Quote:
That chart is great! Thank you, Kyle |
Re: Coil Tester needed Quote:
Kyle, I measured the gab when the knob is in the green area and it is between 9/32" and 21/32". Bob |
Re: Coil Tester needed Quote:
Awesome!! Now I can fine tune the adjustment knob and test a few coils to see which ones are the best. Thank you for taking the time to measure that gap. I'm sure it was not easy. Kyle |
Re: Coil Tester needed Quote:
I have one just like your's...BUT it's missing the neon bulb. Is there a number on the bulb..OR do you know were I could purchase one? Thanks, Dudley |
Re: Coil Tester needed The units which need a bulb use a Geisler tube. They were used in distributor testers and also the ball point looking testers to test for spark. Snap On used to carry them in their parts books. Don't know who presently supplies them. I can supply instruction sheet and schematic for the various Snap on testers.
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