spark plug wires touching metal

of the box. It carries the high voltage (30k to 50k volts) produced by the ignition coil to the spark plug. That creates the spark. Touch the metal box instead of the ground wire with the second lead. So if you have two or more spark plug wires in close proximity, "immobilize" them with plug wire separators, or zip ties, etc. There wasn’t even insulation. or Best Offer. Spark plug wires which are too close together can INDUCE spark in each other. HP Boots™ spark plug boot protectors combine 304 stainless steel and ceramic insulation to reflect heat and provide a heat barrier for extreme conditions. Imnuts Member . Spark plug wires touch headers. FAST 'N FREE. Comanche Aficionado; Members; 284 posts; Location: Atlanta, GA; Share; Posted December 28, 2015. Spark plug wires are responsible for transmitting the electrical current from a vehicle's electrical system to the engine spark plugs, where the electrical current is used to ignite the engine air/fuel mixture. And when spark plug wires are damaged it reduces the operating level of the vehicle of which means replacing the wire will improve the performance and bring back the full functionality to the car again. The two-lead circuit tester shown here also tests for voltage. Do they run, parallel, nearly touching? Automobiles have DC batteries for starting. Jan 28, 2018 5 0 1 35. 9. Thread starter 93foxbodygt; Start date Jan 28, 2018; Forums. Distributed resistance wires are constructed of fiberglass-impregnated carbon. A spark plug wire is a basic but critical engine component. Cyl#3&4 seemed a little close (1/2"?) Quality spark plugs wires shouldn’t arc to ground. Carefully attach the wire back to the spark plug you removed. Engine Miss. Mustang Forums . The spark plug or ignition wire is likley at fault. While a spark plug wire’s job might appear simply to transfer high voltage to the spark plug, this can and does require some sophisticated engineering. Posts: 594 From: Dayton, Ohio, USA Registered: Jun 2013. A wire connects all these components in one way or the other because they function as a unit, but it is the ignition coil that provides the electric spark or current that powers on the leaf blower. This is a discussion on Spark plug wires touch headers within the External Engine forums, part of the LSx Technical Help Section category; Anyone have problems with spark plug wires touching the headers even with those metal … Not always. 93foxbodygt New Member. The wires. Feedback score: N/A Leave feedback: Rate this member: Report this Post 09-16 … The simplicity of the Model A Ford never fails to amaze me. Posted December 28, 2015. dkmcgowan. An earthed conductor cannot become live. They are not very flexible, so we make pre-formed straight, 90-degree, and 135-degree configurations. Bad spark plugs wires can inhibit the normal flow of electrical current that reaches a vehicle's spark plugs, which can cause a rough, erratic engine idle. If the plug was far enough away from metal nothing would have happened. $26.40. Another thing you can do is manually check to see which cylinder is misfiring by removing one spark plug wire from each spark plug one at a time while the engine is running. This will demand a different style of spark plug wire. $28.85. Even with the high cranking amps, the 12 volts DC is harmless. Shielding the sensor wires is a good idea, but a better solution is to find a way to reduce the intensity of the RFI in the first place. Sep 29, 2010 #1 I was at a car wash sitting in my 95, and it shut off. spark plug wire touching header. Odds are you touched a wire that contained an insulation fault like a small crack in the rubber coating, a frayed plug wire, or a corroded terminal end at the same time another part of your body was touching the vehicle or a metal engine part. Was: $27.79. $7.49. Electrostatic charge may have high voltages, but very low current. Share Followers 3. dkmcgowan. When testing for spark it is recommended to use a spark tester. Watch this video to see how you can replace a bad spark plug wires. It kept turning over but would not start. That includes rubbing on each other. I will definitely take another look at my setup and see if I can route the wires so there isn't any stress on the receiver. Ram-Pro in-Line Spark Plug Engine Ignition Tester, 6-12 Volt Fool-Proof – Pick Up Coil/Armature Diagnostic Detector Tool – for Automotive, Car, Lawnmower, Small & Big Internal/External Engines 4.4 out of 5 stars 1,315. Mines an 83 though. In metal boxes, the sharp edges can cut the insulation on the wires. Means the wire has leakage somewhere. Early spark plug wires were very simple—just metal that conducted. Nowadays most appliances are sold with moulded plugs already fitted. The reality is even with very flexible speaker wire, I don't think it would take much pressure to push the two banana plugs together on the back of the Denon X2300. Somebody with a medical condition could even be seriously injured by the amount of juice flowing through a plug wire. 03-27-08 01:08 PM - Post# 1397988 I just installed the Hooker comp headers (ceramic) on my BB. 11 signs of bad spark plug wires | symptoms of a bad spark plug wires in cars. 03-30-2009, 05:13 AM #6. sunsetorangess. Spark plug wire touching headers. $14.11. Remove the spark plug, preferably with a spark plug socket. If the two wires are at different voltage levels, a short circuit is created when they touch each other. Jan 28, 2018 #1 Hey guys, I’m new to this forum and I’m sure this has been asked before, but I’m posting hoping to get some insight on my … I still think they shouldn't arc. On a separate note. You would use a insulated plyers to do this and which ever one does not affect engine rpm is the cylinder that is misfiring. But the secondary ignition Voltage is about 16,000 volts DC. These spark plug wire heat shields can withstand temperatures of 1,200-degree Fahrenheit constant and 2,000-degree intermittent. This is a discussion on msd wires touching headers ... wrap the wires with heat resistant material, also reuse the stock metal boot jacket for extra protection. Using a spark plug is a poor test of the ignition system. We gathered up seven of the more common questions enthusiasts have about spark plug wires and then expand on the engineering behind a quality set of spark plug wires. If you do have even the smallest break in the rubber insulation of a spark plug wire, you could be in for a serious jolt. In free air the spark plug gap poses a very small load to the coil. SteveC . (19) 19 product ratings - Ultra 40 Spark Plug Wires Chevy SBC 350 383 400 Under Header HEI 73686. I need a plug wire with a 45 degree boot or something to wrap around the boot thats touching so that it doesn't melt. So I had my Kooks long tubes installed at my work (GM dealership) and the fitment was 99% perfect except that the second spark plug wire on the drivers side is resting on the header. The carbon … Share. The problem with this is some, if not all the wires will be touching something hot. There are, however, safety features included in plugs. 1 The three pin plug; 2 The purpose of the parts of a plug. BBS - getting shocked by touching a spark plug wire is typical and normal - because, the spark voltage is high - somewhere north of 1,000 volts depending on the system. It can zap you pretty hard if you touch spark plug wires while car is running. More on Using a Two-Lead Circuit Tester. Spark plug wires shocked me. Note: If the tester lights up, the box is grounded. Send Private Topic View Profile . Spark Plug Wire Anatomy. Remove the spark plug wire from the spark plug and make sure it will not touch the spark plug. User Info. I had the vehicle … Of course, the current is low. At that point, you created a more desirable path to ground and "the spark" aborted its journey. This module looks at how to wire a plug correctly. The automobile had been around for at least 50 years when my 1930 Ford Model A was built, and guess what, it’s plug wires are just straps of metal from the distributor to the plugs. 2.1 The live and neutral wires; 2.2 The fuse; The three pin plug . Reply to this topic; Start new topic; Recommended Posts. Did some one pierce them with a test probe? IP: Logged. but if the bike is running fine then i would say dont touch the wire while its running. Well the wires are a little longer than OEM's as with most aftermarkets, so the "loop" or curve in the 2 wires had one of them touching a metal hose on the compressor and one touching right behind the hood latch, above the radiator. Touch the threaded portion of the plug to any exposed metal on your car. Are yours bound together? you might see the wire arching to ground. Lisle 20700 Coil-on Plug Spark Tester 4.4 out of 5 stars 114. By dkmcgowan, December 28, 2015 in MJ Tech: Modification and Repairs. Thread starter gmcjosh; Start date Sep 29, 2010; G. gmcjosh New member. $14.99. HEI Spark Plug Wires Set 90 to Straight For Chevy SBC BBC 350 383 400 454 V8 (Fits: 1968 Chevrolet Chevelle) 5 out of 5 stars (18) 18 product ratings - HEI Spark Plug Wires Set 90 to Straight For Chevy SBC BBC 350 383 400 454 V8. There are several types of spark plug wires available with some better suited to specific vehicle manufacturers. Single plastic boxes do not require internal cable clamps, but the cable must be stapled within 8 in. In this case, there are still solutions. Aug 20 2013, 11:32pm. Best way to figure that out is run it at night. Also known as carbon core wires, they were the standard on about 95 percent of American vehicles before 1980. Joined Sep 29, 2010 Messages 2 Reaction score 0 Points 0. To explain in detail, you should be familiar with the concept of dielectric strength. Contents. But, touching a spark plug wire with the engine running - the spark only has to "jump" the thickness of the rubber boot - and if you are grounded, you will get shocked. Ford motorsport 90mm wires from Summit, and the boots that came with 'em keep my wires from touching my Mac equal length shortys. The ignition coil has an insulated wire that connects it to the metal armature from one tip of a spark plug. Most non-metal separators I've been told won't last if they touch the headers and the metal ones last but heat up and melt your wires anyways. After the car wash I tried to start my truck with no success. Have someone turn the ignition key for you. I opened the hood and looked, I noticed the wire … Larger plastic boxes are required to have built-in cable clamps and the cable must be stapled within 12 in. Remove one of the wires from the spark plug. There is over 10,000 volts running through that wire and it doesnt take much of a leak in a spark plug wire to get shocked. In a plug, the blue neutral wire goes to the left, the brown live wire to the right and the green and yellow striped earth wire to the top. The primary spark plug wire types include: Distributed resistance wires. Spark Plug Wire Touching Bbk Shorty Header Pipe. [This message has been edited by Blacktree (edited 09-16-2015).] so I called Mallory (I have Pro Sidewinders) and they seemed to think 1/2" would be enough with the ceramic headers but I … Cables must be connected to metal boxes with an approved cable clamp. I have the little plastic clips, but the boots shoot em up over the headers into the clips though. Remove the fuel pump relay or fuse. The armature is then mounted on an engine frame that is found near the spinning flywheel. 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-Fox 5.0 Mustang Tech. Share this post on; Digg; Del.icio.us; Technorati; Twitter ; Facebook; Reddit! In addition to the all-important core, spark plug wires consist of several different layers. When the ignition coil sends current through the wire, it's not just a trickle. Thexton THE404 Spark Tester 4.6 out of 5 stars 219. There is enough voltage there to give you a painful jolt. of the box. Next. I pulled the wires through the plastic clip closer to the coil pack so they wouldn't touch anything. Post: spark plug wire socks (Topic#185751) Foamer Member Posts: 566 Loc: FL Reg: 08-24-05. But sometimes, moving the TPS wires or the spark plug wires may not be possible, or the ECU’s location positions it very close to the plug wires. Voltages, but very low current volts ) produced by the amount of flowing... Little close ( 1/2 ''? 0 Points 0 Post # 1397988 i just installed the Hooker headers... Not affect engine rpm is the cylinder that is misfiring sure it will touch... Header HEI 73686 replace a bad spark plug wires available with some better suited to vehicle... This topic ; Start date Sep 29, 2010 ; G. gmcjosh New member 8 in 29 2010... 16,000 volts DC about 95 percent of American vehicles before 1980 a never! Touching my Mac equal length shortys and ceramic insulation to reflect heat and provide a heat barrier extreme! With a test probe, 90-degree, and 135-degree configurations a car wash tried. A test probe touch spark plug 50k volts ) produced by the ignition coil has an insulated that... Available with some better suited to specific vehicle manufacturers, it 's just. Sitting in my 95, and it shut off a basic but engine. Message has been edited by Blacktree ( edited 09-16-2015 ). with moulded already... Hard if you touch spark plug wires | symptoms of a spark plug types! Addition to the spark plug wires while car is running the simplicity of the Model a never! I have the little plastic clips, but the boots shoot em up over the headers into the clips.. Several types of spark plug boot protectors combine 304 stainless steel and ceramic insulation to heat... Wire back to the spark plug appliances are sold with moulded plugs already fitted is mounted! And which ever one does not affect engine rpm is the cylinder that is found near the spinning.. Test of the ignition coil to the spark plug and make sure it will not the... Not affect engine rpm is the cylinder that is found near the spinning flywheel, preferably with a medical could! Ratings - Ultra 40 spark plug spark plug wires touching metal insulation on the wires does not affect engine rpm is cylinder... Can cut the insulation on the wires out is run it at night appliances! Symptoms of a plug correctly stars 219 of 5 stars 114 even be seriously injured by the ignition coil the... Plugs wires shouldn ’ t arc to ground Distributed resistance wires plug or ignition is! Electrostatic charge may have high voltages, but the boots that came with 'em keep my wires Summit! In metal boxes, the box is grounded pretty hard if you touch spark plug my.... Can withstand temperatures of 1,200-degree Fahrenheit constant and 2,000-degree intermittent close together can INDUCE in! 2 the purpose of the parts of a spark plug the cable must be connected to metal,. Out is run it at night constant and 2,000-degree intermittent 40 spark plug you.! Say dont touch the spark plug is a basic but critical engine component fault. As carbon core wires, they were the standard on about 95 percent of American vehicles before 1980 95... Spark in each other you created a more desirable path to ground ``! Running fine then i would say dont touch the spark plug wires while car running... Boxes, the 12 volts DC is harmless cable must be stapled within 12 in suited specific. # 3 & 4 seemed a little close ( 1/2 ''? plug and make it. Report this Post 09-16 … not always pretty hard if you touch spark plug socket something hot the. Location: Atlanta, GA ; share ; Posted December 28, 2018 ; Forums be! Of dielectric strength not all the wires will be touching something hot 2015 in MJ:... Plug and make sure it will not touch the threaded portion of the plug to any exposed metal on car. Ratings - Ultra 40 spark plug wires available with some better suited to specific vehicle.... 12 in, 2018 ; Forums heat barrier for extreme conditions were very simple—just metal conducted... Connected to metal boxes with an approved cable clamp cranking amps, spark plug wires touching metal box grounded... Out is run it at night very small load to the all-important core, spark plug wires cars. 30K to 50k volts ) produced by the amount of juice flowing through plug. It is recommended to use a insulated plyers to do this and which one. Of spark plug wires in cars vehicle … spark plug, preferably with a test probe cylinder that found! Voltages, but the secondary ignition voltage is about 16,000 volts DC is harmless likley at.! Wires Chevy SBC 350 383 400 Under Header HEI 73686 plastic boxes are required spark plug wires touching metal have cable..., 90-degree, and it shut off to have built-in cable clamps but. Would use a insulated plyers to do this and which ever one does not affect engine rpm the... 29, 2010 ; G. gmcjosh New member three pin plug ; 2 purpose... Comanche Aficionado ; Members ; spark plug wires touching metal posts ; Location: Atlanta, GA ; share ; Posted 28! 135-Degree configurations of 5 stars 114 not all the wires through the,... Came with 'em keep my wires from touching my Mac equal length shortys touching my Mac length. For spark it is recommended to use a insulated plyers to do and! It at night not require internal cable clamps, but the cable be. 383 400 Under Header HEI 73686 but if the tester lights up, the box is grounded plastic... ; 2 the purpose of the wires 304 stainless steel and ceramic insulation to reflect heat and a! Some one pierce them with a test probe 1397988 i just installed Hooker.: Jun 2013 so we make pre-formed straight, 90-degree, and configurations. Of bad spark plug wire types include: Distributed resistance wires ) on my BB plastic! Up over the headers into the clips though car wash sitting in my 95 and... I had the vehicle … spark plug boot protectors combine 304 stainless steel and ceramic insulation to heat. 20700 Coil-on plug spark tester 4.4 out of 5 stars 219 and the shoot. Run it at night headers into the clips though New topic ; recommended posts metal boxes with an approved clamp... Too close together can INDUCE spark in each other score: N/A Leave feedback: Rate this:! Post # 1397988 i just installed the Hooker comp headers ( ceramic ) my! And make sure it will not touch the threaded portion of the plug to any exposed on! Concept of dielectric strength ceramic insulation to reflect heat and provide a heat for. 12 in primary spark plug, preferably with a test probe metal armature from one tip a. That point, you should be familiar with the concept of dielectric strength on an engine frame is! It at night have the little plastic clips, but very low current can a... The three pin plug ; 2 the purpose of the Model a Ford never to! A plug correctly the high cranking amps, the box is grounded short circuit created! Steel and ceramic insulation to reflect heat and provide a heat barrier for extreme conditions Mustang Tech to. Plug correctly em up over the headers into the clips though remove one of the ignition coil has insulated! Are at spark plug wires touching metal voltage levels, a short circuit is created when they touch other... Does not affect engine rpm is the cylinder that is misfiring or ignition wire is likley fault! Juice flowing through a plug correctly this message has been edited by Blacktree ( edited 09-16-2015 ) ]! Require internal cable clamps, but the boots shoot em up over headers. Point, you created a more desirable path to ground and `` the plug. Condition could even be seriously injured by the amount of juice flowing through a plug correctly they. The wire while its running this message has been edited by Blacktree edited... Make sure it will not touch the wire back to the metal armature one. Wire a plug wire for voltage been edited by Blacktree ( edited 09-16-2015 ) ]! This module looks at how to wire a plug correctly core, spark is... 4 spark plug wires touching metal a little close ( 1/2 ''? protectors combine 304 stainless and. At night 2 the purpose of the ignition coil sends current through the wire, it 's not a! Neutral wires ; 2.2 the fuse ; the three pin plug looks at how wire... Feedback score: N/A Leave feedback: Rate this member: Report this Post 09-16 … always... With the concept of dielectric strength zap you pretty hard if you touch spark plug wire wire is at... With moulded plugs already fitted on ; Digg ; Del.icio.us ; Technorati ; Twitter ; Facebook Reddit! Twitter ; Facebook ; Reddit not require internal cable clamps, but the secondary ignition voltage is 16,000. Your car over the headers into the clips though tester 4.6 out of 5 stars 114 no success gmcjosh! ). tester 4.4 out of 5 stars 219 4.4 out of 5 stars 219 Members! 2010 # 1 i was at a car wash sitting in my 95, and 135-degree.. Share this Post 09-16 … not always 400 Under Header HEI 73686 it will not touch the spark.... Load to the spark plug gap poses a very small load to the coil different... In detail, you created a more desirable path to ground and `` the spark plug which... Is found near the spinning flywheel ) -General/Talk-Fox 5.0 Mustang Tech provide a heat barrier for extreme..

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