I have what I think is an original slant pole coil in my box-o-stuff. How can I determine if it is a good working one or not?
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Well Ray, you could check between the terminals for 3ohms resistance, or you could plug it into a car and see if it fires the plugs. Somewhere there was a post about checking coils and condensers.....You wana look waaay far up da road and plan yer route because the brakes are far more of a suggestion than a command!
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some info says the plus is where to check the high voltage, and another says use the minus. I also have seen wiring diagrams showing comman internal connection on both plus and minus. Are different coils wired differently to the + - terminals? Also, I get the same ohm reading from the hi tension tower to either plus or minus. This is on several coils that spark well.
which terminal is the power...-
Channel: Model A Forum
10-15-2018, 09:11 PM -
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by troutyjimWhile prepping my 30 Coupe for a big car show next week and hoping to bring home the gold I noticed that both the coil and bracket on the firewall both looked a bit shabby and decided to give them a good cleaning and spruce them up a little. So, I grabbed the necessary tools and removed them both cleaned them up to be more presentable and then upon replacing the coil to the firewall I discovered...
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Channel: Model A Forum
08-06-2021, 11:23 PM -
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by poochHelped a mate with an electronic Efire crab dizzy today.
Would not go, after a couple of hours we found 2 things wrong.
Firstly the magnet drum had to be pushed right home to work and we could not get a 3 ohm coil to run.
Got it running on a 1.2 ohm coil.
Whether the 3 ohm one is dead or electronics don't like 3 ohms.
12 volt...-
Channel: Early V-8 Forum
12-24-2018, 12:50 AM -
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by WMWSToday I changed out my coil to the flame thrower 40111. My electric tachometer is hooked up to the coil. Now my tac is showing fast for some reason. Any idea why.
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Channel: Model A Forum
09-09-2017, 07:11 PM -
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by old31For a PerTronics distributor which of the two coils would you use A or B.
6Volt.
A. Primary .6 Secondary 8.56
b. Primary 1.6. Secondary 11.96...-
Channel: Model A Forum
09-18-2019, 03:09 PM -
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by GARY FRANKCan somebody tell me how to check if a coil is good, bad or going ineffective. It's on a 1939 Ford Pickup with the 95HP 239.
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Channel: Early V-8 Forum
06-15-2020, 11:29 PM -
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by Chap52My coil is not marked "+"/"-" but "Batt" and "Dist". How do those markings align with +/-?
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Channel: Model A Forum
11-01-2018, 07:27 PM -
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by FixitphilWhen converting my A to 12 volt I've heard that you have to switch the two primary wires on the coil. Which small primary wire goes to positive and which to negative side of coil?
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Channel: Model A Forum
02-22-2019, 09:55 AM -
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by conaway2What do ignition coil testers measure ? I’ve seen some very old ones with a ‘good-bad’ meter on them that also allow the high tension wire to plug into the tester. I’m guessing that these testers measure the high voltage generated ??
I’m considering building a simple test device and thinking that I would simply measure the length of the spark produced.
thanks - Jim-
Channel: Model A Forum
02-04-2021, 09:03 AM -
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