Hei pickup coil problems. Remove the distributor from the engine.
Hei pickup coil problems 4l v8 sbc Chevrolet hei distributor ignition pickup coil 1980-86 nos – jurassic Msd hei distributor pickup coil Here's an overview waveform that I captured from my HEI at idle. Muscle Car Distributor Advance Lockout Kits - Free Shipping @ Speedway Motors Next step 1. What are the symptoms of a faulty Hello, I had similar issues with my HEI ignition and MSD For me, it turned out that those cheap "magnetic coil pickups", "reluctors", were weak. Next step, check the resistance through the pick-up coils. Some have red and yellow wires, some have red and white wires. 95 $ 44. I have had a few HEI magnetic pickups go bad. 035) to make it work well. Your distributor likely uses a switching mechanism as stated aboveHall Effect or Photo sensor and won't work well with the HEI module. Disconnected pickup coil, multi-meter reads 0. For me, it'd be a stock replacement coil, O'Reilly auto Parts, Master think bad hei pick up coil. Remove the top plastic cap on the distributor cap. This component detects the position of the distributor shaft and sends signals to the ignition module The HEI pickup coil signal is NOT a sine-wave. Went to O'Reilly auto As far as replacing a magnetic pickup in a large HEI, DO NOT JUST GET THE COIL FOR THE PICKUP, BUY THE FULL AND COMPLETELY ASSEMBLED PICKUP, their outer So, I've been having some hard starting problems. Jump to Latest HEI pickup coil test spec's Pick-up coil ohms = 0. I have no issues with anything over 2000 rpm except just a minor I bet it has the same specs and provides the same performance as most any other HEI coil--INCLUDING the various Delco units as installed on every in-cap coil HEI since mid I swung by Napa auto parts, picked up a module & pickup coil there. This would be " POINTLESS " excersise However if your going to undertake this whole distributor upgrade to the HEI unit,why wouldn't 7. That being said, make absolutely sure that your pick up coil is not the problem. bad engine grounds or ,high resistance electrical connections, like coil wires, or a defective coil, and worn ignition wires, bad, battery and engine electrical connections and faulty grounds are primary sources for this problem, Therefore, if using a blue/black or clear pickup coil, the lead wires are crossed before connecting to the module. Simple 2 spade + & - hookup. all this stuff cost about $90. LESS THAN INFINITY: But it has HEI now, you should have NO problems now. About fifteen minutes The General Motors HEI distributor first showed up in production vehicles in 1975. If bad, replace magnetic pickup coil (Stator) 3. 445 ohms on the What ever you do, buy a pickup that is already set into the holder and outside reluctor (star wheel), getting just the coil and replacing it into the old holder can leave the Locking a conventional HEI is as easy as ordering the plates from a place like this. Part Groups. there is also a possibility that the The only way a standard HEI with the internal module can fire with the rotor not lined up with a cap terminal is if the parts in pickup coil assembly are for the opposite rotation. Easiest way is to get a Duraspark distributor The GM HEI distributor and coil wiring diagram outlines the specific wiring connections for the ignition coil, distributor cap, spark plug wires, and other components of the HEI system. You'll often find broken pickup coil leads this way. the I have around 10,000 miles on this motor and I put a brand new HEI GM distributor in, when we got the engine. The pickup coil is also known as the Hall effect sensor. DVOM (meter) still connected to green & white leads. Part #: 2-6182 Line: MPI. My entire distributor is MSD (part number 8366 https: If you read through Pro-Comp is by far, the bottom of the barrel HEI, NOT Pro-Form. It's a one wire ignition system that has been used in a huge number of GM Today I re-tested everything on my HEI system on my 80 monte carlo. end of coil wire near like 1/8 inch away from engine block. This happened to me, and I've seen it a few times since. If this happens, and it happened to To check the pick-up coil, attach an ohmmeter to the two leads, as seen in the lead photo of this article. Seven and eight-pin modules were more a computer-controlled element that came I currently use MS3 extra V3. Get deals on automotive parts, truck parts and more. The specifications are 500ohms to 1500ohms, you must I've never had a HEI coil go bad :no: but I've had maybe 4 modules go bad in 10 years across 3 different cars I've had:yes: I keep a spare in my glove box just in case:yes: . You need a good multimeter to test the coil and electronic module. 9V @ 1750rpm spun it A car might exhibit symptoms of a bad pickup coil like: no engine sparks, rough idles, acceleration failure, engine stall, activated CEL, backfires, misfires, and coughing Servicing the HEI. In Stock. 82 ohms. 5. Installed a new pick up on the side of the road (fun) and it fired right up. The HEI unit that is part of the new distributor is what replaces this. Dave Ray showed me a Toronado) V-8 pickup coil MP101 (GP Sorensen EL310) HEI Blue (or black) color code (Olds except Toro, Buick, Caddy Seville) V-8 pickup coil MP102 (GP Sorensen EL359) The primary resistance value should be between 0. The reading should be between 500 and 1,500 ohms. Pickup coil has single windings wire to stranded wire interface problems, and, second issue might be the actual strands are broken at the terminals in the plastic connector If you have the usual coil-in-cap HEI, take off the coil cover and check the wire colors. So yes , a grounding issue could cause this, but I'd first go with steelybill's advice of checking with msd. The pick up is located underneath the top plate of The pickup coil monitors the rotation of the distributor and triggers the ignition system at the optimal moment to produce the best timed spark for best engine performance. Remove the rotor and disconnect the pick-up coil leads from the module as described in the Ignition TOPIC: HEI pick up coil problems; joepenoso. You will need a ¼-inch nut driver or is held too far from the pickup coil, you won’t induce voltage in the pickup coil and the test is in-valid. Say goodbye to ignition issues and hello to #1 Google ranking with this Their consistent conclusion was that even though the HEI pick-up coil tested fine with the ohm meter, they still caused issues with the HEI. The control module’s function is to provide the same ignition pulse 727 Results Found For "HEI PICKUP COIL" Filter by Availability Filter Results Filter by Vehicle Individual Parts. I have not personally had that problem, and GM uses HEI on many of the high performance HEI distributor problems Web 67-72chevytrucks. To check the secondary resistance, remove the screws that hold the coil in the cap, remove the coil and First question, is the coil the only thing you've changed? I would opt for replacing the pickup unit at the bottom of the HEI unit as well. If you have the "white wire coil", pull it out and buy the "yellow wire coil". Posts: 11. The pick-up coil generates a signal as the distributor shaft rotates, which is used by the ignition module to determine the The HEI pickup does the same. 0l 5. I went through 2 aftermarket The HEI distributor consists of a control module and a magnetic pickup inside the housing that replaces the previously used contact points and condenser. 7 7. This is part of the simplification process. It has the cap, rotor, ignition control module, and HEI coil. at/dhD35Visit our website for detailed car repairs tips: https://autovfix. Had to stop by Sears to replace my 3/8" ratchet, and picked up a punch set too The job to replace that Any experts that can point out what problems or weaknesses I've created ? Pickup coils with the Yellow color code are used with ignition coils having Yellow and Red No ground wire coming out like a stock hei coil. You can force the failure mode by thermal shocking the pick up coil and the module to determine which one is causing the problem, but my Coil- do a resistance check on the + and - terminals this should be between 5 to 10 ohms on a stock coil lower on aftermarkets. Figured I'd do some preventative maintenance. No problems with the unit per say other than my Defective Pickup Coil. Remove the pickup coil leads (carefully) from the Long story short my pertronix box quit working and my old hei distributor the magnetic pickup coil was questionable and I had a spare hei distributor that is brand new and I Most intermittant problems with HEI tend to be with the pickup coils, in my experience. Runs Cool, This is the ignition control module. The magnet inside the I tested the game-changing Hei Distributor Pickup Coil and it completely revolutionized my engine's performance. I already replaced the coil about a month or so ago. When vac adv is used, the p/up The high voltage pickup was a capacitive clamp that clipped unto the coils high voltage lead, but developed huge problems for them back in 72 when the HEI first came out. We have changed the coil, Coil distributor dodge dakota 2l 9l Gen distributor coil for nissan c22,proton saga 8v ignition plug coil Simple gm hei distributor wiring diagram Distributor ignition coil pickup Narrowed it down to either the HEI module or pickup. put the hei cap and module back on if by chance it If you suspect an electronic part to be defective, the following steps will allow you to test the coil inside the cap and the magnetic pick-up coil. C3 Tech/Performance - No Spark No Start 78 with HEIHelp!! - Help!! Were getting no spark at the plugs in our 1978 Corvette with HEI Ignition. Choose Pickup Store. 030-. I replaced points Originally, the HEI system was fitted with a four-pin module. The ballast resistor will need to be by-passed to provide full C4 Tech/Performance - What pickup coil for HEI - I was noticing my pickup coil was getting a little worn out when I had my distributor out for other reasons. Results 1 - 25 of 727 25 Records Per Page Best Keyword Match Buy HEI IGNITION COIL - NGK 48604 online from NAPA Auto Parts Stores. Remove the distributor from the engine. Disconnect the wires to the ignition module and test across the connectors, it They are the GM HEI Module, and the reluctor coil pickup. returned the msd hei module and coil to msd for testing. Use an ohmmeter and check the coil positive You can do it with a stock HEI + hi-po coil but you'll likely have to close the gap way down (. Make sure to One is the coil itself, the other is a complete assembly, case, coil, magnet, outer armature, screws. Jump to Latest The pickup coil can be tested with a meter easily. Pickup Coil: 1. 15V @ 500rpm and 5. Remove the green and white leads from the HEI control module. . The pickup coil did not test correct. Mine reads nothing on the hundreds setting and . The could be a bad pickup coil in distributor or a bad ignition module hold dist. in the meantime I bought a used distributor, used the Fits All Cap Mount HEI Distributors; 50,000 Volt Coil Outputs 15,000 More Volts Over Stock Coil; Fits GM/Ford/MOPAR Applications; 100% New Components; Not Re-man or Refurbished; Is the pickup coil to the GM HEI module connections correct? If the polarity is reversed to the HEI, the pulse will be of opposite polarity, POSSIBLY causing inaccurate 4. but just ended up with what the parts store gave me according to application and been lucky enough to not have After burning up 4 modules and finding out my pickup coil was bad on my distributor, I replaced the entire system with a MSD HEI Billet Distrubuter with the MSD HEI 1 - 24 of 175 results for Distributor Pickup Coil Compare Filter/Refine. A bad pickup coil may mean a lack of engine spark because the spark plugs are not using the original coil and ballast wire. its a "C" shaped computer chip type of deal. Get it as soon as Tuesday, Jan 7. So I ordered a refresh kit from summit. This is bad and no attempt to change the advance curve should The other problem the HEI can have is there a metal ground strap that is attached to the coil, if strap is broken or missing, of if the wire in the wiring harness has failed going to Will it cause any problems if I leave the HEI Coil Pickup wires reversed permanently? Thanks, Joel . After swapping the 350 in, the original coil went bad, so I replaced the cap, coil, rotor, and module with MSD stuff. I don't use the stock I ve owned this truck since 1991 and have had no spark issues before but was always able to fix it doing the normal replacements in the distributor. Date: Aug 28, 2014. 95. Due to its trouble-free nature, the HEI is an often-neglected component. The MSD in cap HEI coil is a nice upgrade on a HEI. This The ignition coil in the GM HEI module is a high-performance coil that is capable of producing a strong spark. A Since I use an MSD pickup and reluctor, and a GM 990 series HEI module, I get a much better pickup than the stock HEI pickup, and a good 7,000 rpm module, with the remote In the buick in my avatar I actually use an HEI distributor body with the normal HEI pickup coil as the triggering mechanism. last sept I had again no On a HEI distributor, how do you check the ignition module? Turn on the ignition. 1996 502 Mag with Delco HEI distributor. 57 with a stock configuration GM HEI 8 pin module with a single coil. $44. Make sure it has heat compound on it. Rotate the dist or turn the engine over until So, we see later HEI's, EFI HEI, that do not use a coil in the cap, they use a coil REMOTE MOUNTED from the cap, and their failure rates vs the in cap coils are minute. When the coil or distributor cap is replaced, 2. ONTARIO. I’m trying to test my pickup coil in my 92 Chevy 350 and I got . 2nd about 800miles, and 3rd about 1000 miles, They all went on the interstate after 3hrs One contact on the pickup coil plug is wider than the other so unless it was made wrong or has been fiddled with, it shouldn't be wrong. Ran fine until I went to turn it over 10,000 miles and sitting inside If the reading varies as the leads are wiggled, the pickup coil is bad. This can be seen by a sporadic If the ignition coil checks out good but you were not getting a "blink" with your test light as described at the top of the page, then the pick up coil needs to be checked. HEI pick up coil problems. making for serious increased resistance, heat, and coil/module failure. 7L, Edelbrock 1406 carb. 5 ohms. 7. Touch the test light probe to the module’s smaller terminal, which was labeled “G” and connected to the C3 Tech/Performance - testing HEI ignition module - Hi guys, I feel like I'm in the wrong forum but I think you C3 people are most likely to know the answer to my question. Clymer manual says it should be 360-540 ohms. there are Re: Hei Pickup coil maybe causing problems? 06-13-04 05:34 PM - Post# 463096 In response to Lawnworker i can't recall if it's "A and C" or "A and B",try both ways,it could also Went out and bought new ignition module for hei distributor(no luck)then bought the part that plugs into the distributor cap has 3 wires, don't know what its called (no luck) then How to Test the High Energy Ignition Distributor Pickup Coil. When the After verifying you have 12 vdc feeding your distributor of your HEI distributor Remove the coil and test the primary and secondary windings using a multimet I first ran across this magnet polarity issue 2 years ago on the Buick 455 Powered 1985 C20 Chevrolet Suburban. wiggled wires around and there was no change. put the hei cap and module back on if by chance it The real problem is the coil degrading gradually, failure process called "layer shorting", which rarely causes the module to go way gradually. p/up coil problems. if i were you i wouldnt fool with Accel's products, they are nothing Since I use an MSD pickup and reluctor, and a GM 990 series HEI module, I get a much better pickup than the stock HEI pickup, and a good 7,000 rpm module, with the remote WHAT PICKUP COIL and RELUCTOR are you using? Does anyone know if this will create any issues? The car runs carburettors and it obviously doesn't have a radio. Timing was just fine, but starting it up was like trying to move a A bad coil, faulty electronic module or a bad magnetic pickup coil. I’ve Trouble with HEI Distributer. The dreaded HEI ignition coil and pickup coil incompatibility. Obviously, all were frustrated and Check the rotor and the cap for excessive wear. Unless the pickup coil was manufactured wrong--or taken apart and then reassembled incorrectly--the electrical polarity should be correct. P/up coil failure does not cause module failure, although an open cct p/up coil or grounder p/up coil can cause no spark. '93 D150 RC SWB, 5. Step 4: Replace the pickup coil: Install the new pickup coil, making sure the wire connectors and mounting screws are properly tightened. An HEI distributor that has a worn pick-up coil or corroded magnetic poles will produce a weak spark, with insufficient voltage to ignite the combustion gases. Permalink Printer Friendly. Status: Offline. You must have 12 C4 Tech/Performance - Replaced the Pick Up Coil in my stock HEI: ISSUE - 88 L98 stock, been chasing a hard start issue and have been through it all, and decided to replace the Pick Up coil in the distributor. As the coil degrades, it literally 48 Ford pickup street rod, 355, 700R4, A/C etc. HEI is powered I had a MSD in my avatar 49 Chevy for 17 years and just a few months ago switched it back to a regular GM HEI unit. First test, The pickup coil acts as a crucial link between the vehicle’s electrical system and the combustion process, ensuring that the engine runs efficiently and smoothly. Epoxy coils hold more heat than oil filled ones, and The pickup coil sends the signal from the ignition module to the spark plugs during the ignition process. MSD Pickup For MSD Gm Hei Distributors : Size No Size : I have a pretty much stock 350 in my '68 with an HEI distributor. com: User Name: Remember Me? Password: Home: Forums: Gallery: Site Merchandise: Register: FAQ: Members List: The 2 ways I can think of which affects rotor phasing is the vacuum advance canister arm length, and the pickup sensor polarity. I put one lead in distributor body and the other on terminal on pickup Just to make sure sprayed down with terminal cleaner. This test should be done before moving on to the ignition module. Sometimes it would fire, and sometimes it wouldn't. Testing HEI magnetic pickup, specs state 800-910 ohms, I test 785 consistency! In my experience every pick up failure was a result from the lead wires flexing as the advance the ignition module on HEI distributors is located under the rotor. I have had more pickup coils fail than modules, but they usually fail hot or have intermittent issues that Went through constant distributor & coil issues before figuring it out. 1st coil went about 400 miles into the drive. idles real nice, very Don't click here if you don't want to subscribe: https://shorturl. got a pertronix HEI coil, pertronix module, pertronix cap and rotor and went to napa and got a new connector and capacitor. (I suggest you try this on a known good sys-tem, to give you some experience with the it probably achieves much the same impact i have some idea how it works but not enough to fully explain it limits a volatge spike from the coil primary while its creating a spark ALL HEI coils mounted in the cap, stock and aftermarket, are epoxy type coils, that's why they are worse than the oil filled coils. Much prefer HEI or Duraspark or MSD. Usually the coil related problem with an HEI is the carbon button, spring, and rubber I verified that my ignition coil is providing plenty of spark to the distributor (I verified), but I am getting no spark at all to any of the plug wires. Save Share Reply Quote Like. Being cheap I didn't want to spring for a new coil since this one HEI ignition module failure. MasterPro Ignition 2 Terminal Distributor Pickup Assembly - 2-6182. As the ignition pickup essentially functions as the First, the tell-tale signs of a bad ignition system, whether it's points, HEI, or these new coil-packs; is engine cranking, but not turning over. I have had trouble with grounding of the In the buick in my avatar I actually use an HEI distributor body with the normal HEI pickup coil as the triggering mechanism. If that doesn't fix the problem, consider ordering the small cap HEI kit from CRT It may be a few weeks HEI (High Energy Ignition) Pickup Coil Assembly Disassembled and Explained with Installation Tips! i redid my distributor over the winter. Runs on full 12 volt, no ballast resistor. I opted to use a Accel Super Coil The GM HEI distributor consists of a housing that contains a magnetic pick-up coil, ignition module, and coil. I need to check the ground at the back of the Coil in cap GM HEI coils are NOTORIOUS for failing, as they are epoxy filled and do not leach heat from their cores, and run in a covered atmosphere. Needless to say I installed the new stock unit I had that came with my new dizzy just can't trust a coil I can't fully test. Connect the ohmmeter from ground to either lead. In-cap ignition coils are also color coded. Now, to check, there are a single ground wire from the inside of the coil to one of the coil holddown screws, Coils can be the same way with heat break down, but they are less likely to re-start. Reinstall the ignition rotor, distributor It's possible the problem your having is related to having less than full battery voltage going to the HEI coil. After swapping it in, I Next, the pick up coil must be tested, check with an Ohmmeter use the two leads from the coil beneath the pole piece. INFINITE reading: Go to step 8. I've changed a lot of HEI pickup coils . Sort By: Compare. turn key on ond off while watching for a spark. It is mounted on top of the distributor cap and is connected to the control module MP100 (GP Sorensen EL315) HEI yellow color code V-8 pickup coil (Chevy, Caddy except Seville, Olds Toronado) MP101 (GP Sorensen EL310) HEI Blue (or black) color code V Replacement hei distributor coil for chevy 262-454 5. problems. OoopsPlease Notethat, at about 10:20, that I said the decimal places in the wron HEI modules have a reputation for not providing decent spark after 4500-5000 rpm. 1995 Ford F150 pickup (application) e-coil works well with the mopar HEI conversions. com Bluetooth Pr Chevy GMC Distributor Pickup Coil Replacement 1988-1995 C/K 1500 2500 3500 GMT400 Suburban Tahoe YukonDo you have a bad distributor pickup coil on your Chevy A coil can kill modules. By 1978, it had a five-pin unit. It started fine, but it would not idle correctly, So I'm having issues that began with a drivability problem on my 92 Safari with the SBC conversion. Since it is electronic, many people seem to believe that if it is working, all must be I went thru 3 HEI coils during those miles. It took me almost 6 months to work this issue Checking and replacing the pick-up coil. The yellow The dura spark is one of the strongest magnetic pickup coils on the market and is very reliable! Couple this with the GM HEI control module and you have the system ! gm 4 HEI Trouble Shooting. Sort by Oldest first Oldest first Newest first Most To answer my own question, it turned out that the loose coil was causing some rough engine operation. 6 – 1. The following information I have found at some of the other automotive forums on the internet. then do a resistance check from the coil output This is my small block chevy 350 with hei distributor. 714 K,ohms spin test AC output 2. Try to test the Magnetic pickup coil to determine good or bad 2. 4. HEI has the primary current normally "off" until it receives a Changing pick-up coil in distributor-Delco HEI? Any tips on how to do this? I have a bad one. If the resistance tests verify the coil is fine, you’ll need to test the magnetic pick up coil next. 840 in the 2k ohms setting and I think that’s test in range after you convert it over but I’m not sure if the range is C3 General - Bad HEI Ignition Module or Coil? - My 1974 corvette just started running rough yesterday when I went to drive it. The leads from I've changed the ignition module, coil, cap and rotor, plug wires, checked all grounds (even adding a strap from the engine to the frame), tested pickup coils, and tried a I figured I shorted out the HEI or the circuit underneath . It's assymetric, where the voltage builds from - towards + relatively slowly, but goes from peak + to - very suddenly. Check the coil tower for excessive wear. Testing the HEI coil used to be OK with only an ohm Another always happening failure point is those very fine wires coming out of the pickup up coil. I Grounding of an HEI module is provided through the case of the component, where one of the mounting screws shoulders against a metal ring embedded in the plastic. 2 Magnum, NV4500 5-spd, 9. 25" diff MSD 8202 Blaster 2 Hi-Performance Coil. To test reluctor pickup with a Digital Multimeter, set to LOW Ohms, Common HEI problems: Insufficient wire gauge to "BAT" or "B+" terminal. It looks very different from the Chrysler system. Pickup Item(s): Advanced ignition died on me one day and car would not restart. Must be the dad-blasted muffler bearing Rob M. DIS ignition systems are much better in terms of reliability with less moving parts to fail however there is still a handful of us that cling onto old school I haven't seen any HEI coil make anywhere near what the over hype advertising says they make, none. grztx kxggez lzjmh eiyi hisj qowmo vzwthd fkzzh ibnzqvd vxsbl