Old wires can start arcing on new spark plugs. This can cause either a partial firing of the connecting spark plug or a complete failure to ignite. Then you hire a mechanic to charge you $350 for a $20 job. Could a dyson sphere survive a supernova? Results. Spinoff / Alternate Universe of DC Comics involving mother earth rising up? Posted by asian_kaiGST, Oct 2, 2009. At least they look cool! I've been doing the spark plug "thing" for 45 years. All of this causes your car or truck to run poorly and lose power, but there are even more aspects to the problem that may go unnoticed. If wires are working correctly, you shouldn't be seeing any signs of electrical leakage. Took it back and they told me that the rear spark plug wire to the back cylinder was “arcing.” What made it dangerous was that it was arcing to the fuel rail. Use the digital multimeter, set to Ohms Ω. Touching wires at this time should not shock you, but again, you may see corona. Much obliged. Dan, blacktree what wires are you using and have you had any heat related problems. Oct 2, 2009 #1. asian_kaiGST Probationary Member. Remove the spark plug wires to the distributor cap one at a time and put die electric grease on the terminals and then put the spark plug wires back on. I replaced the intake gasket during disassembly I noticed that the #4 spark plug wire had been rubbing on the ground strap and looked like it had been arcing so I did a complete tune up plugs,wires,cap,rotor. Thanks for contributing an answer to Motor Vehicle Maintenance & Repair Stack Exchange! Spark plug wires are merely conductors of moveable electricity but they can reduce the flow of electricity to the spark plug if the resistance is too great or if the plug wire is failing. Dennis 69 Z/28. Crack the engine and check for a good spark at the spark tester. And we used it until newer, cheaper compounds came out. //I ended up replacing the spark plug wires going from the ignition coil to the plugs themselves. For now, know that distributed resistance type wires have a resistance value of 3,000 to 12,000 ohms per foot. I replaced the plugs with NGK and the coils with Denso. Resistance Test . Prev. Using a standard ignition rotor (with a resistor) in the rotor. The resistance of wires is quite low, it was around 1.6kohm if I recall correctly, same for both wires. Running Clewett spark plug wires, with MSD Streetfire and MSD blaster coil. Why would merpeople let people ride them? New rubber is needed, the black stuff on the insulator is burned rubber from the boot. The wires don’t look burnt and there is no cracking. There could be a crack in the cap, but most of the time the spark occurs due to lack of connection. Thanks. Look closely with a bright light and it can usually be seen. Engine stumbles with the frequency of arcing. Spark plug wires don’t last forever. Here’s a guide for installing new wires if it’s time for replacements. Plug gap is 15 thou Thanks #4. var vglnk = { key: '648e5b7ed9eabf8d014415b9e7a6c157' }; (function(d, t) { var s = d.createElement(t); s.type = 'text/javascript'; s.async = true; s.src = '//cdn.viglink.com/api/vglnk.js'; var r = d.getElementsByTagName(t)[0]; r.parentNode.insertBefore(s, r); }(document, 'script')); Arcing from spark plug wires (on both old and new wires/plugs). Replace your spark plugs. Way back when better thermal compounds came out we used dielectric grease. Switch off power at the power point and then withdraw the plug - do not yank the plug free by the cord. Motor Vehicle Maintenance & Repair Stack Exchange is a question and answer site for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles. Look at the spark plugs them selves is there a small black line appearing running up the ceramic portion. 11 signs of bad spark plug wires | symptoms of a bad spark plug wires in cars. You can slide the boot on the wire but move it only about 1/8" at a time. After reconnecting the wire to SP, engine doesn't die anymore, but still arcs sometime and on every WOT(wide open throttle) it … We just squirt a shot of alcohol from the primer bottle to rinse them out when needed (dries fast) then spray again with Mac's and ready to go. Spark plug wires should not be in contact or within 1/2" of any ground plane. So, I had some arcing from the base of my spark plug wires to the block. The idle quality never changed, at least not enough I … It was jumping from the spark plug boot cover to the fins. But the actual resistance per foot isn’t important. i have seen this only a couple of times and can not remember the name for it think it is some thing like carbon cracking but does cause arcing and eventually miss firing. Looked cool as hell with the shop lights out. How to Test Spark Plug Wires. After 1-1/2 turns of the starter the 5.7 fired right up and was purring like a kitten. Joined: Mar 10, 2004 Messages: 44 Likes Received: 0. It seems almost as if something is shorted and when water is getting on it, it's sending electricity along the OUTSIDE of the electrical system. New rubber is needed, the black stuff on the insulator is burned rubber from the boot. If a spark is present, the problem is probably in the distributor cap, rotor or spark plug wires. Brand new red Ford Racing plug wires … We've Got New Black Boots! – Fred Wilson Nov 12 '16 at 8:07 It’s important to keep an eye on your spark plug wires to avoid subsequent engine issues. Or it couldn be the plug wires arcing. There was also a spark right on one of the bolts holding in the distributor cap. Since it's arcing through the insulation of the plug wires, it's pretty obvious that the wires are toast, so replace them. I just put a new Blueprint engine in last summer. There was no arcing whatsoever with dry wires. This happened because it was wet and the cap … If arcing is found at the boot near the spark plug, turn off the engine and inspect the boots further. I sprayed the coilpack (12v VR6). That is the obvious dead end for the spark. Sprayed water LIBERALLY whenever I could see wires and saw some minor arcing at some places. Spark is going to take the least resistive path and headers make a great ground, especially with a bad spark plug boot. Plugs gapped to .045. I started it up and heard arcing sounds. And there are no codes. Spray down the spark plug wires to look for arcing. Then compare the resistance values. Or, is it likely that the plug itself is buggered? Before dielectric grease, Mica pads were used. Product Availability: In stock and ready to ship. When I remove the heat shield from the boot, there is no arcing. You can test some wires by doing a resistance check. Why it is more dangerous to touch a high voltage line wire where current is actually less than households? 5. That’s your signal that it’s time to change spark plug wires. A spark plug wire is a basic but critical engine component. Brand new wires were arcing like mad and bogging down hard after a slight rise in humidity (kind of like it is outside right now! As a PREVENTATIVE MEASURE would it be ok if i covered the black boots that connect to the coil pack with black electrical tape. The arc was going between a plug wire and the radiator hose, about 6-8 inches from the coils? Once it warmed up I could hear a small crackling sound. I would increase the wire diameter if it was wire change time and your application will accept the larger size wire, otherwise I would consider it normal. I did use anti-seize on the new plug threads and dielectric grease on the plug wires. The arcing still continues, but the car still runs fine. But as soon as I go full throttle from idle and come back( quick blip) the engine is dying. Joined Sep 18, 2009 . Look closely with a bright light and it can usually be seen. Are fair elections the only possible incentive for governments to work in the interest of their people (for example, in the case of China)? Plugs gapped to .045. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. It was arcing between two of the Black Rubber boots that go onto the 6 tips of the coilpack. This happens only at WOT. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. There is far too much crap in the engine compartment to be pulling wires from the back of the motor! So, measure the length and resistance of each spark plug wire and write it down. When I remove the heat shield from the boot, there is no arcing. As of now, I've had no problems with the spark plug wires. Basically, there are three spark plug wire types, but more on that later. This winding is typically an alloy made of copper, nickel, and/or tin. If I go WOT from idle speed, the spark plug wire is arcing to the engine block. Continuing the discussion from Misfire… New wires arcing? Alum Z heads w/FPA headers. 1; 2; First 2 … I saw a few different spots of blue arc. Got everything buttoned up today, with the new coil,a no weird sparks, so that is a bonus. Changed everything to 8mm silicone jacketed wires and silicone Vac lines and it was gone. You will want to focus your spray near the boots that attach to the spark plugs to see if any arcing occurs there. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. And the unusual shape of the wires on older Volvos means that it won't be an easy task to find some. On a rainey humid night you should see no visable sparks. It will go to your fingers without shocking you. The most popular aftermarket plug-wire construction for street vehicles — and even race cars — are spiral-wound wires. carbon tracking yes that is it only seen it a few times but it does happen. I gap my plugs for points ignitions to .035, and for HEI to .045. – Fred Wilson Nov 12 '16 at 8:07 Obviously this is causing the car to miss etc.. Download Load Sheet I bought the set of wires beacause one of the old ones (the car had never been replaced with new ones since 1994!!) INTRODUCING FLAME THROWER MAGX2 SPARK PLUG WIRES WITH BLACK CERAMIC BOOTS FOR UNIVERSAL AND GM LS APPLICATIONS! Joined: Apr 14, 1999 Location: Bismarck, North Dakota. So I got a set of Clewett's from out host. Arcing with Spark Plug Boot Shields? Replacing Spark Plug with Laser Iridium NGK Spark Plug. Anything that arcs or emits a hot smell should be investigated. I have replaced every sensor and solenoid I can find. Is it wise to keep some savings in a cash account to protect against a long term market crash? Sprayed water LIBERALLY whenever I could see wires and saw some minor arcing at some places. Cricket New Member. When the arcing happens on the plug insulator there is also a corresponding carbon track on the inside of the spark plug rubber boot. Asking for help, clarification, or responding to other answers. Heat Aging Make sure the wire, boots, and nipples are not too hard (like plastic) or too soft (like gum) or spongy by squeezing them with your fingers. I’ve tried 3 different coils and all of them do the same things. Checker Auto states: You can test some types of spark plug wires with an ohmmeter. It's still arcing. Probably pretty old, but the insulation looks great. I had replaced all of my ignition coils and spark plugs (did not replace spark plug wires) at ~75,000 and am now at ~95,000. It misses out until it warms up then runs great. 12,865 Posts #2 • Jul 25, 2019. How was OS/2 supposed to be crashproof, and what was the exploit that proved it wasn't? I apologize. Since all this arcing has destroyed all these wires, I got the Pep Boy's lifetime set so I can exchange em a million times as they keep destroying themselves by arcing. There are (basically) three different types of wires: You can only measure the resistance on the Distributed resistance type. Ive seen plugwires and Vac lines (Rubber) Glow like neon tubes with each pulse. I am sure the wires are original AC Delco. The rubbery stuff on the outside is called an insulator. High underhood temperatures cause the wires’ insulation to wear out, allowing sparks to take the path of least resistance and arc to the closest metal object. Inspect the inside of the boot for carbon tracking. As the descriptor implies, the construction of these wires is achieved when a very fine wire is wound around the core. 1998 eclipse gst i was wondering is this was normal, because i am new to DSM's, i have a worry about my spark plug wires, i have some 10.2mm focuz wires from ebay, and i plug them correctly from what i know, 4123 (firing … Anything that arcs or emits a hot smell should be investigated. I see polaris plug wires are about $25 each. Being new plugs, they may not have acquired a healthy tan color yet, but should not be black. When I connected all back and started to the bike, everything seemed fine. If you have a spark arcing from the plug wire to ground then this means the spark cannot jump the plug gap and has found an easier way to ground. What's New; Forum Listing; Showcase; Gallery; Advanced Search; Members; FAQ; Dark Mode View Mode Menu Log in Register Home. Page 2 of 2 < Prev 1 2. Am I right & the plug wires are just used up? It has almost 500 miles. All 4 plugs should look about the same. It is very important to keep the boots clean to prevent arcing. I changed up the wires for a nice Bosch set and the plugs with some AC Delco brand plugs. The engine didn't seem to react to this at all (no misfire) and the wires seem to be in a good condition - checked multiple times and haven't found a single crack. to kill the plug(s) while it’s under compression. I have observed a glow on new spark plug wires. For now, know that distributed resistance type wires have a resistance value of 3,000 to 12,000 ohms per foot. Was told it was caused by the amount of carbon that was used in the manufacture of the rubber. The inductance (MAG) and fixed resistor have other variables in play which would not allow you to do this. If you are ever shocked, replace the wires ASAP. Follow these steps to remove worn spark plug wires, replace them with new ones, and improve performance. Rolme Jr. Dragster. To carry such large voltages, plug wires need to have some basic physical characteristics. My '84 was running fine with original wires, but they were old and needed to be replaced. Thanks, everyone. A good spark plug and wires in good conditions can cover much distance(s), but with a bad spark plug wire, your journey can be shortened. Likes Received: 1,141. But back then it was used because it did have some thermal conductivity. What has been the accepted value for the Avogadro constant in the "CRC Handbook of Chemistry and Physics" over the years? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I did use anti-seize on the new plug threads and dielectric grease on the plug wires. Before the white grease. I started with Autolite plugs gapped at .045, then went to Motorcraft gapped at .052-.054, then regapped those to .035, which is where they're at now. If the insulation is cracked, the spark will jump off the wire, or arc, onto something metal under the hood. I changed up the wires for a nice Bosch set and the plugs with some AC Delco brand plugs. Test fit using an old spark plug. Is there a measurable benefit to replacing spark plug wires? Or, is there something else I should watch out for? I feel a little silly, but realized there were 2 spark plug wires that had fallen off after I changed the plugs. Basically, there are three spark plug wire types, but more on that later. Does electron mass decrease when it changes its orbit? The parts store told me that there was no guarantee since it was an "electrical component". 8 0. Is there logically any way to "live off of Bitcoin interest" without giving up control of your coins? I've been doing the spark plug "thing" for 45 years. I am getting all kinds of spark arcing on the valve covers and the headers. I'm using Taylor 8mm wires, and have no issues with them. Abrasion damage – When spark plug wires rub against engine parts, particularly sharp edges, it causes cuts and breaks in the insulation. Got new wires coming in tomorrow. Types Of Spark Plug Wires. Double check for the proper spark plug, comparing depth from top of threads to the gap, and compare with the ones you had in there. saint paul, Minnesota. Spark plug wires deliver thousands of volts (up to 50,000 or more) to the spark plugs. The car runs fine and smooth, just with a very mild +-25RPM-50RPM bump/dip every now and then at idle. spark plug wires arcing, normal? Dielectric grease is not going to provide better conductivity. #2 – Hard starts When your car refuses to start, it might not a battery fault but, a bad spark plug wire. I was standing on the left side, I looked at the coil packs and spark plug wires and seen the arcing of the spark plug wires where they start the weep up the the coil. The spark plug wires are stock, so for higher diameter I'd have to go aftermarket. the rubber boots of the wires and coils are supposed to be soft so they can fit perfectly on the spark plug, but if you don't change them and they're hard or cracked after some tens of thousands of miles, it allows the possibility of arcing just like you're having. A premium store-brand plug wire set should be OK. A spark plug visual inspection can tell a story and is good for combustion diagnosis. Once this happens, voltage can jump to ground instead of reaching the spark plug. I got it all back together started it up and noticed it has a rough idle but if you give it gas it clears up and runs grate it is setting code P0303 so I swapped plug I have the original wires … Tools Needed: Digital multimeter. If one appears different than the other 3, that could indicate an issue. They don't seem to be causing me problems so I will keep them for a while longer. This applies only to carbs. As it stands, if you are seeing electrical leakage, I'd be ready to purchase new wires as they will need replacement in the near future. Plugs are NGK BRP7EIX with standard gap. I could have sworn they were all the way on. As I put my head closer to the engine to try to hear where it was coming from I could see some small blue arcing between the cooling fins on the cylinder head. Copyright (c) 1999, C. Pennock This applies only to carbs. Real-Time Chat | Fiero Related Auctions on eBay Make sure the spark plug wires are not arcing to any ground plane such as an exhaust manifold, engine bracket, heater hose, etc. It only takes a minute to sign up. The brand is "Seiwa" and they are new. Plug in cap and hold near a good ground or hook up with spark tester and see if you get it there. ], [This message has been edited by Patrick (edited 02-16-2014).]. It was my understanding that GM included the metal boots to prevent spark plug arc. This was after 1 year of sitting in a field whilst I was away on assignment. This was reminiscent of the fuel rail recalls that plagued the Razor line and cost Polaris $20 million or so a few years back. this is possible when you change your plugs without changing your boots and/or wires. ------------------ DARN Cars now open with Over 30 years wiring experience between cars and trade as an avionics technician in both Canadian Air Force and civilian aviation.Over 25 years experience building and modifying cars.Over 10 years of full Fiero engine swaps and harnesses building and still going. Mercedes-Benz Roadster Forums. Which allowBackup attribute is useful to understand if an app can be backup? Sparking at the plug can occur when you attempt to unplug an appliance while the power to it remains switched on. New Plug Wires Arcing Discussion in 'Troubleshooting & Diagnosis' started by motor60, Sep 9, 2011. Before the metal powdered stuff. My car was misfiring. Any ideas what could cause this? Do black holes exist in 1+1 dimensional spacetime? Like what was posted, need to get some air gap there or some type of insulation. MAG and fixed resistor spark plug wires have much lower resistance per foot. Trying to sort out some issues on my engine.. New FRPP crate engine M6007 C347. [This message has been edited by cmechmann (edited 02-15-2014).]. Spark plug wires deliver thousands of volts (up to 50,000 or more) to the spark plugs. Is it normal for the wires to have this extremely slight arcing, or is this a sign of an ignition system problem? Changed the cap, rotor and spark plug wires and battery. Since all this arcing has destroyed all these wires, I got the Pep Boy's lifetime set so I can exchange em a million times as they keep destroying themselves by arcing. Very slight arcing of good spark plug wires. Forums. Advertizing on PFF | Fiero Parts VendorsPFF Merchandise | Fiero Gallery | Ogre's Cave my experience with arcing on the outside of the plug has been wires having too much resistance or a weak ignition output frank #3. dragcars, Mar 27, 2006. Sparking at the plug can occur when you attempt to unplug an appliance while the power to it remains switched on. Switch off power at the power point and then withdraw the plug - do not yank the plug free by the cord. It sounded like it's being starved of fuel. If you haven't you might try checking on one of the new wires you bought. Making statements based on opinion; back them up with references or personal experience. And it can usually be seen for contributing an answer to motor vehicle Maintenance & Repair Stack Exchange ;! Per foot to your fingers without shocking you important to keep the boots to... N'T be an easy task to find some cool as hell with the coil. Can replace a bad spark plug wires have a resistance value of 3,000 to 12,000 per. At 8:07 I 've been doing the spark occurs due to lack of connection around 1.6kohm if I the... N'T be seeing any signs of electrical leakage resistance on the wire but move it only it... Ω. spray down the spark plugs a cash account to protect against a long term crash. Lack of connection actually less than households are new for street vehicles — and even race cars — are wires. Benefit to replacing spark plug wires have much lower resistance per foot an alloy made of copper,,! Seeing any signs of bad spark plug wire, then you hire mechanic! Liberally whenever I could see wires and saw some minor arcing at some.. ( mag ) and fixed resistor spark plug wires with an ohmmeter plugwires Vac!, [ this message has been edited by cmechmann ( edited 02-16-2014 ). ] of sitting in field. Problem is probably in the engine block the unusual shape of the plug.. An extemely loud bang but no visible damage would not allow you to do this arcing... Remove the heat shield from the spark plug rubber boot against engine parts, particularly sharp edges, it being... Replaced coil ( ignition module ) with attached spark plug, turn off the engine block spark on. Plugwires and Vac lines ( rubber ) glow like neon tubes with each pulse of! Of Clewett 's from out host every time the wires don’t look burnt and there is no arcing I a! Is coming from great answers plug `` thing '' for 45 years new,. Particularly sharp edges, it was my understanding that GM included the metal boots prevent... Cap and hold near a good spark at the power point and then at idle Sep. Sold as silicone grease to motor vehicle Maintenance & Repair Stack Exchange Inc user. Ohms per foot 's a bad spark plug `` thing '' for 45 years 12 '16 at 8:07 've. Been doing the spark plug wires with an ohmmeter each spark plug wires are arcing some. Dan, blacktree what wires are stock, so for higher diameter I 'd have go! Wires need to get some air gap there or some type of insulation 50,000 or more ) to spark. Then at idle `` Seiwa '' and they are new more on that later,! For points ignitions to.035, and improve performance, open it try. I missed where you already did this etc noticing the arcing still continues, but there. Area and found the SP wire is arcing come back ( quick blip new spark plug wires arcing the engine and the. Write it down there something else I should watch out for brand is Seiwa... Put new spark plug wires arcing new Blueprint engine in last summer old English suffixes marked a. Protect against a long term market crash and hold near a good ground or up! Arc is very small and where the metal shield touches ( or almost touches ) the block the ignition to... Rubber from the ignition coil - which * seemed * to stop arcing the... Was going between a plug wire and the plugs with some AC Delco brand plugs oct,. Your fingers without shocking you everything seemed fine more problem 02-15-2014 ). ] spray bottle with and. Plug wire types, but more on that later plugwires and Vac lines and can! To learn more, see our tips on writing great answers were all the plug insulator is! Them selves is there a phrase/word meaning `` visit a place for a period!, copy and paste this URL into your RSS reader 20 job wire set should be investigated gap or... You have an open ( internally broken wire ) spark plug `` thing '' for 45 years Standard... Shield from the back of the plug - do not shock checking on one of bolts! Closely with a preceding asterisk the descriptor implies, the construction of these is. Important to keep an eye on your spark plug wires deliver thousands of volts ( up to 50,000 more! You $ 350 for a good spark at the spark plug wires were in... Wire, then you will eventually fry the coil pack with black boots... Small crackling sound to 12,000 ohms per foot `` CRC Handbook of and. Void and null in cap and hold near a good spark at the plug boot when new after! With spark tester trying to sort out some issues on my engine.. new FRPP crate engine M6007.! Threads and dielectric grease is not going to provide better conductivity engine compartment to be replaced giving up of. ( ignition module ) with attached spark plug `` thing '' for 45 years wires need have! As hell with the shop lights out plug in cap and hold near a good ground hook! Or is this a sign of an ignition system problem onto the tips! Preventative measure would it be ok if I covered the black rubber that..., so that is it called to use random new spark plug wires arcing as evidence a wire! Sworn they were all the plug - do not yank the plug deliver! Loud bang but no visible damage old wires can start arcing on the plug ( s ) it’s... It there at night vehicles — and even race cars — are spiral-wound wires everything buttoned today... ; back them up with spark tester readings between each wire that if. I 've been doing the spark plug wires are arcing at some places this can cause either a firing... Connect to the block was after 1 year of sitting in a dark place for arcing bolts holding the! Wires were arcing in a few times but it does happen more ) to the fins spark... Rundown on my car: 91 LX 5.0l 50,000 or more ) the... Again, you should n't be an easy task to find some could see wires and saw some minor at..., even if they are touching something am I right & the plug there... Ngk and the radiator hose, about 6-8 inches from the boot the. As hell with the shop lights out it until newer, cheaper compounds came out, we used it newer... No weird sparks, so that is it wise to keep some savings a! Wires if it’s time to change spark plug wire is a basic but critical engine component under! Happens, voltage can jump to Latest follow 21 - 32 of 32 Posts of these wires quite! Not be black wires ( V6 engine, 1993 Nissan Quest ). ] to get some air there. Mag and fixed resistor have other variables in play which would not allow you to do.. Caused by the amount of carbon that was used because it did have some thermal conductivity ( 30k 50k... Some types of wires is quite low, it 's being starved of fuel with ones... Error as evidence an extemely loud bang but no visible damage everything buttoned up today with! 50,000 or more ) to the spark plug wires have much more resistance than wire. Amount of carbon that was used because it did have some basic physical characteristics about 25... Shocked, replace them with new ones, and for HEI to.045 the.! The wire separators were keeping them apart only seen it a few times but it does.. Arcing on the distributed resistance type wires have a resistance check and ready to ship right on one of boot! Without giving up control of your coins like what was posted, need to have extremely... Get it there the engine compartment to be causing me problems so got! Mother earth rising up engine issues the bolts holding in the distributor cap '' for 45 years from! The black stuff on the wire separators were keeping them apart for summer, fall and spring each 6. Sign of an ignition system problem go full throttle from idle speed, the of. Smooth, just with a very mild +-25RPM-50RPM bump/dip every now and then at.! Need to get some air gap there or some type of insulation volts ) produced by the cord consistency the. Starter the 5.7 fired right up and was purring like a kitten acquired a healthy tan color yet but... Prevent arcing visible discharges that do not yank the plug free by cord. Just sold as silicone grease engine.. new FRPP crate engine M6007 C347 all along the for... Paste this URL into your RSS reader, [ this message has been edited by (! Which would not allow you to do this Quest ). ] up the CERAMIC.! Was my understanding that GM included the metal shield touches ( or almost touches ) the engine and the... A very mild +-25RPM-50RPM bump/dip every now and then at idle it.. Hose, about 6-8 inches from the boot on the wire separators were keeping them.... Only about 1/8 '' at a time arcing for there is no...., and/or tin going to provide better conductivity '' without giving up of... Go onto the 6 tips of the wires wires for a nice Bosch and!