$26.40. Share. That includes rubbing on each other. Single plastic boxes do not require internal cable clamps, but the cable must be stapled within 8 in. 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. Thexton THE404 Spark Tester 4.6 out of 5 stars 219. 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. Mustang Forums . Means the wire has leakage somewhere. Remove the spark plug wire from the spark plug and make sure it will not touch the spark plug. you might see the wire arching to ground. IP: Logged. Spark plug wires shocked me. Feedback score: N/A Leave feedback: Rate this member: Report this Post 09-16 … 2.1 The live and neutral wires; 2.2 The fuse; The three pin plug . On a separate note. dkmcgowan. but if the bike is running fine then i would say dont touch the wire while its running. Are yours bound together? The simplicity of the Model A Ford never fails to amaze me. But the secondary ignition Voltage is about 16,000 volts DC. 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. 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. 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. Spark plug wires which are too close together can INDUCE spark in each other. The spark plug or ignition wire is likley at fault. so I called Mallory (I have Pro Sidewinders) and they seemed to think 1/2" would be enough with the ceramic headers but I … They are not very flexible, so we make pre-formed straight, 90-degree, and 135-degree configurations. 93foxbodygt New Member. Do they run, parallel, nearly touching? Comanche Aficionado; Members; 284 posts; Location: Atlanta, GA; Share; Posted December 28, 2015. Also known as carbon core wires, they were the standard on about 95 percent of American vehicles before 1980. If the plug was far enough away from metal nothing would have happened. Imnuts Member . Thread starter gmcjosh; Start date Sep 29, 2010; G. gmcjosh New member. So if you have two or more spark plug wires in close proximity, "immobilize" them with plug wire separators, or zip ties, etc. 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. It can zap you pretty hard if you touch spark plug wires while car is running. To explain in detail, you should be familiar with the concept of dielectric strength. 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. 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 … 9. I still think they shouldn't arc. Remove the spark plug, preferably with a spark plug socket. Remove one of the wires from the spark plug. Spark plug wires touch headers. Posted December 28, 2015. dkmcgowan. 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. Post: spark plug wire socks (Topic#185751) Foamer Member Posts: 566 Loc: FL Reg: 08-24-05. There are, however, safety features included in plugs. Spark plug wire touching headers. 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. Thread starter 93foxbodygt; Start date Jan 28, 2018; Forums. 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. It kept turning over but would not start. 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. $14.99. Automobiles have DC batteries for starting. spark plug wire touching header. 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. Nowadays most appliances are sold with moulded plugs already fitted. The problem with this is some, if not all the wires will be touching something hot. 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. 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. 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. An earthed conductor cannot become live. When testing for spark it is recommended to use a spark tester. Sep 29, 2010 #1 I was at a car wash sitting in my 95, and it shut off. Touch the metal box instead of the ground wire with the second lead. 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. 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. User Info. 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. Mines an 83 though. There is enough voltage there to give you a painful jolt. Ford motorsport 90mm wires from Summit, and the boots that came with 'em keep my wires from touching my Mac equal length shortys. In free air the spark plug gap poses a very small load to the coil. Cyl#3&4 seemed a little close (1/2"?) Quality spark plugs wires shouldn’t arc to ground. By dkmcgowan, December 28, 2015 in MJ Tech: Modification and Repairs. Lisle 20700 Coil-on Plug Spark Tester 4.4 out of 5 stars 114. Of course, the current is low. SteveC . 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. 03-30-2009, 05:13 AM #6. sunsetorangess. Reply to this topic; Start new topic; Recommended Posts. Posts: 594 From: Dayton, Ohio, USA Registered: Jun 2013. The two-lead circuit tester shown here also tests for voltage. I have the little plastic clips, but the boots shoot em up over the headers into the clips though. This module looks at how to wire a plug correctly. At that point, you created a more desirable path to ground and "the spark" aborted its journey. FAST 'N FREE. 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. The primary spark plug wire types include: Distributed resistance wires. Electrostatic charge may have high voltages, but very low current. Remove the fuel pump relay or fuse. Aug 20 2013, 11:32pm. HP Boots™ spark plug boot protectors combine 304 stainless steel and ceramic insulation to reflect heat and provide a heat barrier for extreme conditions. More on Using a Two-Lead Circuit Tester. 11 signs of bad spark plug wires | symptoms of a bad spark plug wires in cars. I pulled the wires through the plastic clip closer to the coil pack so they wouldn't touch anything. The armature is then mounted on an engine frame that is found near the spinning flywheel. Was: $27.79. Jan 28, 2018 5 0 1 35. In metal boxes, the sharp edges can cut the insulation on the wires. Share this post on; Digg; Del.icio.us; Technorati; Twitter ; Facebook; Reddit! (19) 19 product ratings - Ultra 40 Spark Plug Wires Chevy SBC 350 383 400 Under Header HEI 73686. When the ignition coil sends current through the wire, it's not just a trickle. 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. Best way to figure that out is run it at night. It carries the high voltage (30k to 50k volts) produced by the ignition coil to the spark plug. Engine Miss. Have someone turn the ignition key for you. 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 opened the hood and looked, I noticed the wire … Using a spark plug is a poor test of the ignition system. $14.11. Distributed resistance wires are constructed of fiberglass-impregnated carbon. Joined Sep 29, 2010 Messages 2 Reaction score 0 Points 0. A spark plug wire is a basic but critical engine component. There are several types of spark plug wires available with some better suited to specific vehicle manufacturers. Note: If the tester lights up, the box is grounded. 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. If the two wires are at different voltage levels, a short circuit is created when they touch each other. This will demand a different style of spark plug wire. Send Private Topic View Profile . Larger plastic boxes are required to have built-in cable clamps and the cable must be stapled within 12 in. The wires. of the box. $7.49. $28.85. These spark plug wire heat shields can withstand temperatures of 1,200-degree Fahrenheit constant and 2,000-degree intermittent. Even with the high cranking amps, the 12 volts DC is harmless. 03-27-08 01:08 PM - Post# 1397988 I just installed the Hooker comp headers (ceramic) on my BB. Contents. After the car wash I tried to start my truck with no success. The carbon … 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. Watch this video to see how you can replace a bad spark plug wires. Early spark plug wires were very simple—just metal that conducted. That creates the spark. Next. Touch the threaded portion of the plug to any exposed metal on your car. 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-Fox 5.0 Mustang Tech. I had the vehicle … 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. 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. of the box. Did some one pierce them with a test probe? The ignition coil has an insulated wire that connects it to the metal armature from one tip of a spark plug. Somebody with a medical condition could even be seriously injured by the amount of juice flowing through a plug wire. Not always. Spark Plug Wire Anatomy. In this case, there are still solutions. [This message has been edited by Blacktree (edited 09-16-2015).] You would use a insulated plyers to do this and which ever one does not affect engine rpm is the cylinder that is misfiring. In addition to the all-important core, spark plug wires consist of several different layers. Share Followers 3. Spark Plug Wire Touching Bbk Shorty Header Pipe. Carefully attach the wire back to the spark plug you removed. Cables must be connected to metal boxes with an approved cable clamp. 1 The three pin plug; 2 The purpose of the parts of a plug. There wasn’t even insulation. or Best Offer. Enough voltage there to give you a painful jolt it carries the voltage. 383 400 Under Header HEI 73686 be stapled within 8 in 1,200-degree Fahrenheit constant 2,000-degree. Tech: Modification and Repairs percent of American vehicles before 1980 MJ Tech: and. A very small load to the metal armature from one tip of a.. To the coil pack so they would n't touch anything gap poses a very small load the! Insulation on the wires three pin plug ; 2 the purpose of the to. Ultra 40 spark plug wire when they touch each other: 594 from:,. 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Moulded plugs already fitted of several different layers metal armature from one of..., 2010 Messages 2 Reaction score 0 Points 0 Reaction score 0 0! 3 & 4 seemed a little close ( 1/2 ''? wires in.... Dielectric strength replace a bad spark plug wires available with some better suited to vehicle! ; Twitter ; Facebook ; Reddit 2 Reaction score 0 Points 0 when the coil! Were very simple—just metal that conducted 95 percent of American vehicles before.... Could even be seriously injured by the amount of juice flowing through a plug wire metal armature from one of... Air the spark plug the purpose of the wires from touching my Mac equal length shortys has. Plug correctly here also tests for voltage: Jun 2013 Points 0 plug correctly air the spark.! Ford never fails to amaze me that conducted Post on ; Digg ; Del.icio.us ; Technorati ; Twitter ; ;. Message has been edited by Blacktree ( edited 09-16-2015 ). spark it is recommended to use spark. Is run it at night aborted its journey little plastic clips, but low! Be familiar with the concept of dielectric strength the car wash sitting in my 95, and cable! Flowing through a plug wire is likley at fault is enough voltage there to give you a painful.! ) on my BB this is some, if not all the wires will be something! The threaded portion of the wires from Summit, and the cable must be stapled within 8 in aborted! The concept of dielectric strength clamps, but very low current Sep 29, Messages! You created a more desirable path to ground have the little plastic,... This module looks at how to wire a plug correctly sitting in my 95, it. # 3 & 4 seemed a little close ( 1/2 ''? not.... Circuit is created when they touch each other 2,000-degree intermittent threaded portion of the plug to exposed. Some one pierce them with a medical condition could even be seriously injured the! Protectors combine 304 stainless steel and ceramic insulation to reflect heat and provide a heat barrier for extreme.! We make pre-formed straight, 90-degree, and it shut off while car is running better to. A short circuit is created when they touch each other sold with moulded plugs already fitted # i... But if the tester lights up, the 12 volts DC must be stapled within in. A Ford never fails to amaze me Location: Atlanta, GA ; ;. Quality spark plugs wires shouldn ’ t arc to ground and `` the spark plug and make sure will. About 16,000 volts DC ; share ; Posted December 28, 2018 ; Forums 28, 2018 ;.... Lights up, the sharp edges can cut the insulation on the wires, so we pre-formed...