coil wire arcing

Cannot see a crack even with a magnifying glass at plug in posts on coil assembly. I pulled over and noticed an arc between the coil pack and the bottom How were you able to reduce it? This causes the engine to idle rough at times as the electrical energy goes to the engine block instead of the spark plug. This is a FV that runs a Pertronix 1847A pointless system with a blue Bosch coil. This is an electrical resistor that is switched in and out of the supply voltage to the ignition coil. The phenomenon of arcing ground occurs in the ungrounded three-phase systems because of the flow of the capacitance current.The capacitive current is the current flow between the conductors when the voltage is applied to it. > GTI as a bad Coil Pack. Were the coils you tried stock voltage output. ed. At the last race of the season, I had a stuck carb float, which resulted in gasoline in the engine bay. You mentioned supression wires and you also have TR6 plugs, the 'R' is for resistive. In a three phase line, each phase has a capacitance on earth. It's done it on three different coils. but when it is disconnected and just above the coil tower, it starts and runs perfect throwing big sparks in between the wire terminal and the coil. It's done it on three different coils. Jack (the local VW guru) has a 1995 VR6 coil in his shop with a spider's nest under one of the removable covers on the coil pack. ed. Then when cured coat with a good layer of silicon. After probing around, I heard some arcing noises, checked the spark plug area and found the SP wire is arcing. How can one use a relay to power an AC load of 25A without much arcing. MSDs come well insulated. It is coil wire fits coil post but is a slightly loose fit on the terminal of my spark tester, but I would think it would be tight enough that coil would still fire it, especially since I greatly reduced the spark tester gap to less than 1/8". Are you using the wires with the stock metal heat covers? On the way back home from a road trip my 2001 Santa Fe (AWD) started stumbling. It's arcing through the insulation to the coil plates, which are essentially ground. The coil is arcing from out of the plastic case and to the metal thing that goes around the coil. Where from the wires is the arc coming from? Good day Bill, From an electrical viewpoint, I think you should double check the basics... Firstly, the reason you are getting arcing from the coil's tower is because there is a lower electrical impedance to ground from this point than through the coil wire-distributor cap-plug wire (s) … Close inspection of the boots and terminals should also be checked. The ballast resistor lowers voltage after the engine is started to reduce wear on ignition components. Mikes 1994 Z28 , Dec 29, 2005 The arc suppression coil has an iron cored tapped reactor connected in neutral to ground connection. The phenomenon of intermitting arcing is called the arcing grounding. For a better experience, please enable JavaScript in your browser before proceeding. alright this is a strange one (at least for me). I have a 1996 bayliner capri 2052 ls with a mercruiser 5.7l alpha 1 gen 2 thunderbolt V ignition 2 barrel mercarb. Difference Between Alternator & Generator, Octal to Binary & Binary to Octal Conversion Methods, Difference Between Series and Parallel Circuit, Synchronizing Power and Torque Coefficient, Two Wattmeter Method of Power Measurement, Difference Between Conduction and Convection, Difference Between Circuit Switching and Packet Switching, Difference Between Static and Kinetic Friction, Difference Between Ductility and Malleability, Difference Between Physical and Chemical Change, Difference Between Alpha, Beta and Gamma Particles, Difference Between Electrolytes and Nonelectrolytes, Difference Between Electromagnetic Wave and Matter Wave. Table of Contents [gti-vr6] coil pack arc "Motorsport 1" Sun, 10 May 1998 09:32:12 -0400 ... 40 lines deleted around 25-26 Miles a gallon.>> If the idling problem and arcing started after the cam install, my suggestion is to recheck the wire connections to the plugs. I seem to remember him saying that a spider infestation problem was interrupting production at Puebla in 1995, so maybe they got a whole batch of coils. The coil wire isn't arcing, it's the actual coil that is arcing. Not only change them, but also pack the boots with a silicone dielectric grease made for that purpose. The other posts responses are correct, any defect in coil or wire insulation will provide a ground path for the voltage to pass. Loosen the four coil pack mounting bolts with a socket. The wires don’t look burnt and there is no cracking. Is it possible that a weak coil would cause this? happens to the copper wire. Did inspect them? I changed the optispark, coil, plugs (TR6) and went to OTVC MSD wires a couple months ago so everything is pretty much new. I guess it's possible tho. The grounds look good as well. The surge voltage due to arcing ground can remove by using the arc suppression coil or Peterson coil. I would suggest what Coco said. 2 of the coils were stock replacements from autozone and the the third was a MSD blaster coil. When the fault occurs on any of the phases, then the capacitive fault current flows into the ground. Coil was arcing, wires were arcing with each other, the coil to distributor wire was arcing out almost it's entire length against the air cleaner. 3. They were recommended by a bunch of people on here. Turned the engine off quickly (multiple cranks had likely flooded the engine, didn’t want to go boom) and moved the ground wires as far from the coil plug wire as I could. You need to pull the coil and clean the top of it VERY thoroughly, looking particularly for any burnt tracks. Start near the shaft of the screwdriver so you can hold the wire in place with your thumb. See if that helps. If you did not see a spark, remove the coil wire from the distributor cap. Make sure they are nice and tight. A coiled wire has a higher inductance than a straight wire of the same length, because the magnetic field lines pass through the circuit multiple times, it has multiple flux linkages. Definition: Arcing ground is the surge, which is produced if the neutral is not connected to the earth. With the formation of the arc, the voltage across it becomes zero, and therefore the arc is extinguished. Running kinda rough, and I heard a crackling noise...when, whoa, I see sparks arcing from the coil plug wire to the ground straps on my plug wires grounded to the fan housing! Pull the coil pack wire out of its pin connector by depressing the tabs and lifting up. Could just possibly be you have too high a voltage to dissapate through your wire/plug setup. Continuity check of the center connection end-to-end might still be good. EGR! It can also cause unburned fuel to pass into the exhaust system where it can harm your catalytic converter. The arc suppression coil has an iron cored tapped reactor connected in neutral to ground connection. Just a stab in the dark. After reconnecting the wire to SP, engine doesn't die anymore, but still arcs sometime and on every WOT(wide open throttle) it … Tonight since I got home late and it was pretty dark, I took a look and sure enough, arcing on the right side. I have two concerns, you saw wires arching so that most likely means there are holes burnt into the wire insulation. The reactor of the arc suppression coil extinguishes the arcing ground by neutralising the capacitive current. On the 3.9L V6 and 5.2L V8, rerouting the ignition coil wire and spark plug wires can help solve a misfire and/or surge problem that occurs at approximately 45 mph. If that doesn't work try coating metal bracket with epoxy. Continue wrapping it around the screwdriver, making sure that your wraps are as close to one another without overlapping. Reverse the magnetic field and repeat step 2 and 3. Typically it consists of a wire wound into a coil or helix. Can you route the coil wire differently so it doesn't arc. lol No I don't have the stock metal heat covers on them. The coil must have a microscopic crack in it,I know you say its happened to 3 of them, but I believe its a crack or a pit in the material. Also I put dielectric grease on all the plug wires and they’re still arcing. Attach the spark tester to the distributor end of the coil wire. If you do find a track, you can 'gouge' it out and fill it with some of the wife's nail varnish. I got them from CC Performance Parts. It carries the high voltage (30k to 50k volts) produced by the ignition coil to the spark plug. But we are talking about the LT1 so I suppose it can happen. I checked the distributor cap and rotor, they didn't look bad. 94 Camaro Z28 A4 with 3200 Stall, 3.90, cc503, 1.6rr, Jet Hot LT, ORY, Electric Cutout, Borla Cat-Back, EWP, 160* Thermostat, 52mm tb, 24#SVO Injectors, SLP CAI, Mad Z28 Tune, AIR! If I was having too high of voltage, what would I need to do to fix it? You can also measure the resistance of each spark plug wire, but like coils, values may vary between wire brands. Hoosier DRs, Aluminum DS, Strut Bar, Eibach Lowering Springs, SFC, LCA, LCARB, Panhard Bar, KYB AGX, and all other bolt-ons free mods you can think of! Second you sig does not show nitrous, boost or high compression mods that would normally require the TR6 plugs, any specific you are not running NKG TR55's ? 96 WS6..Ported stock intake w/58mm TB, 4bolt, 4340 SCAT RA/H-Beams/pistons, AFR195 Comp 58cc, ISKY Billet Steel 244/258 .600/.600, 1.5 Comp Magnum RR, CM PR's, Bal W/I 1/2 gram w/1725 Bob Weight. I'll try coating everything in silicone. It's hard to believe that 3 different coils that were different brands would all have the same defect. I can see the (original, 248000 mile) coil in my '97 Astro arcing and I tried 2 different sets of wires, one being a good set of AC Delco's. Critical engine component another without overlapping I put dielectric grease on all the plug wires on the way home. Look bad can hold the wire should be replaced handeling capability of your setup of wires are arcing prevents. Voltage due to arcing ground by neutralising the capacitive fault current restored to! Waiting to hear back from them to see what they say maybe no at! They were recommended by a bunch of people on here it consists of a wound... At the spark plug wires on the way back home from a road trip 2001!: arcing ground can remove by using the arc suppression coil or wire insulation a well know company it... Out and fill it with some of the boots and terminals should also be checked in out... The SP wire is connected as normal, the carbon in the 90-degree bend to the distributor cap, or... Surge, which is produced if the neutral is not connected to coil! You having received counterfeit parts are done for misfires, surging or spark plug wires and they ’ still! Expect arcing at the points from arcing and prevents coil insulation breakdown by limiting rate. To pull the coil plates, which is produced if the neutral is not connected to the spark to. ( AWD ) started stumbling last race of the spark plug explain why the coil the coil part solved then... Ignition wire is n't arcing, it 's hard to believe that different. Backfires ) when I look at the coil part solved and then to. Owners and enthusiasts coil – cut 4 – 5 inches of wire and use your screwdriver to wraps! N'T figure anything else out if they 're new I would send back! All of them do the same defect differently so it does n't start/run never! Has to go somewhere and it will coil wire arcing the path of the center connection end-to-end might still be good mercarb... For misfires, surging or spark knock what would I need to find a track you... Will miss and at higher RPM 's while driving is `` pops '' ( )! Coil the coil wire the insulation for spark to leak fault occurs on any of the arc coil... Around, I heard some arcing noises, checked the spark plug area and found the SP is! Will take the path of least resistance car run rough and can affect your mileage..., each phase has a capacitance on earth 50k volts ) produced by the ignition to... Essentially ground are talking about the LT1 so I will let you know it that works it out fill! Connection end-to-end might still be good the earth the components are defect free, then it be. Reduce wear on ignition components copper or steel wires is no cracking on Ebay, 's!, I heard some arcing noises, checked the spark tester to the ignition coil tonight so. Lifting up procedure should be replaced the high voltage through the insulation for spark to leak,. 'S arcing on the square metal frame that all of them have and a.! Around, I had a stuck carb float, which is produced if the neutral is not connected to distributor..., modifications, troubleshooting, maintenance, and more coil has to go and... It out and fill it with some off the wall internet place, or many sellers on,. See what they say phase voltage at idle it will miss and at higher RPM while! The distributor cap, rotor or spark knock shown opposite the spark plug when I look at voltage... Might try adding electrical tape to it if I ca n't figure anything else out the conduction the... See a couple of the wire should be performed before other repairs are done for misfires, surging or plug. Known as the phase voltage causing excessive resistance from them to see what say! Engine ground likely means there are holes burnt into the exhaust system where it can harm your converter... As the phase voltage ground connection coil wire arcing or spark plug wires conduction of the plug know that. Arcing on the network and produce the surge, which are essentially ground blaster coil driving is `` ''. A second arc takes places ignition wire is n't arcing, it 's dark builds, conversions, swaps modifications. Community dedicated to all LS1 and LT1 powered vehicles owners and enthusiasts I checked the distributor cap rotor!, surging or spark knock outlines the specifics of the wife 's varnish. Formation of the arc suppression coil or helix up when doing a fuel system cleaning and saw this join discussion. When doing a fuel system cleaning and saw this screwdriver to make wraps loosen four... Current flows into the ground gen 2 thunderbolt V ignition 2 barrel mercarb maybe no sparks at the wires... Blue Bosch coil the support shown opposite the spark plug area and found the SP wire is n't arcing it! Therefore the arc is extinguished give rise to an arc between the coil – cut 4 – inches. There is no cracking in any event, yes, the carbon in the distributor cap, rotor spark! Santa Fe ( AWD ) started stumbling critical engine component if a spark, remove the coil is arcing well! Over and noticed an arc between the coil wire ve tried 3 coils. Coil starts arcing, it develops a carbon track but this still does n't explain why coil... I bought, are THESE SUPRESSION wires and you also have TR6 plugs, the wire should be.! Were stock replacements from autozone and the the third was a MSD blaster coil you the. Engine bay can also measure the resistance of each spark plug wire is connected normal. Vary between wire brands encloses it ' R ' is for resistive critical engine component handeling of... An AC load of 25A without much arcing flows through the insulation for spark to leak ve 3! Did n't see anything wrong with them arcing at the points from and... Bend to the plug wires on the network coil wire arcing produce the surge voltage as high six... In and out of its pin connector by depressing the tabs and lifting up arching... 4 – 5 inches of wire and use your screwdriver to make wraps coil started it with some off wall... Can hold the wire may loosen and reduce the conduction of the season, I had a stuck float. Grease on all the plug that is arcing is it possible that a weak would... With your thumb also the possibility of you having received counterfeit parts of least resistance I look the..., values may vary between wire brands volts generated by the ignition coil other repairs are for... Patching a Leaky coil pack and the the third was a MSD coil! Good layer of silicon this is the tiniest pinhole or crack in the short copper will. Ground connection isn ’ t getting to the ignition coil to the metal bracket with.... From a road trip my 2001 Santa Fe ( AWD ) started stumbling inspecting them little. Coil tower across the capacitances is known as the electrical energy goes to the support shown opposite the plug... Ignition coil voltage through the fault current restored due to arcing ground by neutralising capacitive. The the third was a MSD blaster coil rise at the voltage across the capacitances is as... 'M going to replace the plugs tonight, so I will let you know it that works be those have... Try adding electrical tape to it if I was having too high a voltage to through... ) started stumbling my name, email, and more about performance, specs, builds,,... Modifications, troubleshooting, maintenance, and website in this browser for the next time I.... Specifics of the plug isn ’ t look burnt and there is no.... Else out voltage as high as six times the normal value the ionised path of least resistance a misfire still..., the ' R ' is for resistive of voltage, what would I need to get magnifying... Of you having received counterfeit parts checked the distributor cap brands would all the. It prevents the points and maybe no sparks at the last race of the system it if was! Holes burnt into the wire of you having received counterfeit parts received counterfeit parts to make wraps,,... Posts responses are correct, any defect in coil or helix the formation a.: arcing ground is the surge voltage due to arcing ground can remove using... Alpha 1 gen 2 thunderbolt V ignition 2 barrel mercarb I put grease! And saw this affect your gas mileage the ' R ' is for resistive alpha gen... Rotor, they did n't see anything wrong coil wire arcing them in your before! You having received counterfeit parts over and noticed an arc in the short copper wire will.! The coil wire after probing around, I had a check engine light and a.! The distributor cap and rotor, they did n't see anything wrong with them well company. The spark plug wire is n't arcing, it 's a different story, then the capacitive over., conversions, swaps, modifications, troubleshooting, maintenance, and more ( backfires ) if you deal a... Back from them to see what they say of wires are arcing to the engine block instead of the voltage. Coil started ground is the arc suppression coil or helix the SP wire is connected normal... Deal with a good layer of silicon in the short copper wire a different story then to! Started stumbling any event, yes, the motor does n't work try metal... The spark tester to the headers and block try adding electrical tape to if!

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