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Do I understand that the coil should have continuity

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Hi. Yes. That's correct. Heating coil is made from resistant wire, ceramics around the wire and metal to support it. Current flows thru it and resistance of this wire make it heat up. Check for ground first. They have to have good ground to work properly. You can go to fluke. com for scholar how to properly diagnose a coil.

Posted on Apr 19, 2017

Testimonial: "Thanks very much Andrew, yes that was very helpful now I had the understanding. So I'm still getting weak fire and the coils good. The automatic shut-off is unhooked from the coil"

  • andrew janus Apr 20, 2017

    hi. Why is it unhooked. You have to tell me more info so I can diagnose it better

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Yes and a set amount of resistance reading

Posted on Apr 19, 2017

Testimonial: "Hey Bill when I get paid I'll put some money on."

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Any opinions on what's better electronic ignition or points .what are the pros and cons to both of any


electronic ignition will beat points hands down any time
to understand this you will need an explanation of how each works.
with a points system there are a set of points , a condenser and a coil
when the points are closed the current flows through the coil windings and produces a field flux
when the points open this field id collapsed and that produces the high voltage for the spark ( understand that current has mass and when the points open the current still flows and that is absorbed in the condenser-- that continuing current flow acts like an arc welder and burns the points )
to make this collapse happen faster the condenser back feeds current through the coil windings and so the voltage is boosted from 12 volts to around 17,000 volts
This relative low voltage induces a high current flow which over a short operating time burns the center electrode of plugs away , requiring frequent plug gap adjustments and plug replacements
problems associated with points include
point gap constantly closing from the wear block being worn away
point bounce at high rpms
coil flux saturation falling off at high rpms reducing the intensity of the spark
water and moisture in the distributor causing loss of spark
on the other hand with electronic ignition there is no points to
get wet
bounce
close up
no condenser to fail
points burn
the electronic system works on a much lower voltage ( 5-7 volts) and a pulse that initiates the action in an electronic circuit that is controlled by transistors and capacitors
This allows for a more rapid increase and decrease in the coil field flux and that increases the voltage to the vicinity of 60,000 volts
this reduces the current across the plug gap and that results in longer plug life and no change in plug gap settings ( EFI systems using quality plugs will never need changing of the plugs from electrode loss)
as electronic systems are sealed there is no problem from water as there is with points , although the same problem remains with moisture in the distributor cap
Now we have a low voltage spark with high current flow to ignite the mixture against a very high voltage with low current flow to do the job
to make it even better some electronic systems will actually continue a series of sparks so that the flame in the mixture is continually being ignited as against the one spark from a points system ( the air fuel mixture is not static but continually rotates -swirls in the combustion chamber)
what does this mean
better economy at higher rpms
better burn rate of the mixture producing power for all of the power stroke
smaller coils
with ECM units that control the ignition , it also controls the ignition timing according to rpms , and throttle setting and mixture setting reducing the need to alter the spark timing for different fuel octane ratings and altitude conditions as it is done automatically to suit the reports from all the sensors
So as I said
electronic system win hands down over points every time

Jun 14, 2016 | Cars & Trucks

1 Answer

My GE side by side refrigerator, model TFX25ZPit runs continuously, does not shut off, how can I fix?


My advice is usually to start simple. Take the bottom cover off and vacuum the coils that are probably covered with dust. That will help your refrigerator function better.

According to DoItYourself.com:
"Troubleshooting a refrigerator that runs continuously requires an understanding of how the refrigerator works. By definition, a refrigerator is one of the few appliances within your home that has to run on a continuous basis. If the refrigerator is not running, it will not be able to keep food cold, which will lead to spoilage and waste. The way refrigerators are built to run on a constant basis, they break down on an infrequent basis.
When a refrigerator experiences problems or seems to be breaking down, there are some steps that can be taken to troubleshoot the problem. A continuously running refrigerator is indicative of a problem with one of the components within the refrigerator that needs to be assessed in order to determine the proper fix. In order to properly troubleshoot problems with your refrigerator that runs continuously, an understanding of how the refrigerator works is in order.
Condenser and Evaporator Coil The refrigerator consists of a condenser coil and an evaporator coil. It is kept cold by a liquid coolant that is pumped between the condenser and evaporator through the use of a compressor and motor. The coolant moves from the condenser where it is cooled into the evaporator. The condenser coils inside the refrigerator can be seen on the outside of the appliance while the evaporator coil is located inside the refrigerator.
The Role of the Heater and Thermostat Frost and condensation rarely builds up inside the refrigerator. A heater inside the refrigerator melts any frost that may occur inside the refrigerator long before it ever appears. This melting of frost takes place at various stages inside the refrigerator. After the melting process that takes place with the heater, the thermostat is engaged to set the refrigerator at its proper cooling temperature, keeping frost from building up.
Identifying Specific Problems Most of the parts that make up the compressor and evaporator units inside the refrigerator, consisting of thermostats, the heater, condenser, fans and various switches, are easy to identify and replace. The trick to troubleshooting the refrigerator that runs continuously is to listen for noises and sounds that occur and seem unusual to you. A loud running refrigerator or constant churning of ice when the ice makes is not engaged can indicate problems with the motors or compressors that need to be replaced immediately.
Addressing Problems with a Continuously Running Refrigerator Nearly all problems that can be uncovered by troubleshooting your refrigerator can be fixed by most every do-it-yourselfer. Those problems with your refrigerator running constantly that involves the coils located outside or inside the refrigerator should be handled by a professional repair technician. This is because the coils contain the refrigerant that can be dangerous if you are exposed to it accidentally during the course of a repair. If you notice a problem with the refrigerator or a constant running that seems to be getting progressively worse over time, the best way to address the issue is to isolate the problem and fix it."

Apr 23, 2015 | Refrigerators

1 Answer

Awm 8023, the "tumbler" doesn't produce any heat but is spinning ok. Is there any fuse etc that could be bad?


The possible fault could be due to the failure of the heating coil, failure of the control panel or the output drive to the heating coil or it can be one of a loose connection joint of the wiring to the heating coil. You need to recheck the selected program and then check the wiring to the coil. It is important to understand the working of a continuity tester to check the line and the coil which should address the fault. If there is no output from the board then it might be fault of the drive output or the loss of output from the processor which might need tracing of the voltage to the heating coil output. .

Jun 03, 2013 | Whirlpool AWM8163 Front Load Washer

1 Answer

Dryer will not dry, coils get bright turns on for a few seconds then turns off


That sounds like your thermal cut-off or the high-limit thermostat. If you have a multimeter you can check the continuity on them to find the defective one. Check this video out for a better understanding of this.
http://www.youtube.com/watch?v=KZY9CQ_CqvY


Nov 20, 2010 | Kenmore 600 6965 Electric Dryer

1 Answer

2002 kia sedona 3.5l has rough idle replaced plugs wires and coil


this vehicle has coil packs for the ignition correct? have you ran the engine at night with all surrounding lights outs so its really dark. spray a mist of water on the coil packs and spark plug wires to see if you have spark/voltage leaks jumping out from them. sometimes the tiny sparks will be so fine and skinny you can barely see them so it needs to be dark. hope this helps your trouble shooting. a coil pack could have such a fine crack for the voltage to leak from that you cant see it.

Jun 13, 2009 | 2002 Kia Sedona

1 Answer

1994 jeep wrangler no fire


Crank position sensor has a higher failure rate than it should...however i would not change it "at random" Check for continuity between b&c terminals of the sensor with a digital ohmeter.
There should be no continuity between them (b&c should be marked on connector) No continuity reading is same as when probes are not connected to each other.
I really dislike when people try and help and use terms that owners can't understand ... "check your zxy and qtr then add an abc" dosen't seem helpful. I hope I am as clear as I can be!!!
Good luck.

Apr 15, 2009 | 1999 Jeep Wrangler

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