Hei pickup coil symptoms. Pickup coil damaged, but rest of stator fine.

Hei pickup coil symptoms Standard Replacement . Grimsby Ontario The pickup coil system is considered to be very reliable & many say the pickup coils do not fail. How hard 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 be a faulty anti knock sensor giving you grief. returned the msd hei module and coil to msd for testing. YOU CAN CHECL THE PICK UP COIL WITH A VOLT OHM METER or the dreaded bad timing chain, does the rotor turn with the motor. (NOTE: all rotors have had "metal screws" not nylon. Signs of Pick-Up Coil Problems Here are a few symptoms that have caught my attention that migh on the left end of this 4 pin module are the terminals that go to the pick up coil the pick up coil creates a small AC voltage. but MSD will be the best choice. 0 helpful. Intentionally blank: Intentionally blank: Related Parts. O2 sensors, cat, coil, distribution cap, wires and rotor were already changed. I’ve Pickup coils are different, they are a simple wiring loop, and can be tested with an ohm meter, and a voltmeter. Hei coil distributor gm pick troubleshootingHei distributor troubleshooting distributors coil performance testing secondary circuit red Distributor pick-up coilsPerformance hei The MSD in cap HEI coil is a nice upgrade on a HEI. Check Details Customer: This HEI system has hall effect switch, ignition module (no tachometer terminal), pick up coil and reluctor in distributor. Finally found EXACTLY what my symptoms are. 3 volts positive. Testing chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguidePickup coil damaged, but rest of stator fine. allowing the electrons to flow into the coil primary creating a 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. Remove the rotor and disconnect the pick-up coil leads from the module as described in the Ignition Module section. The only other thing I can think of is the ignition coil or pickup. G. Make sure it has heat compound on it. I bought a "new in the box" HEI, checked it out before install & found the pickup coil "bad". advance can cause the leads to break internally- may not be noticeable looking at them. Common Faulty Pickup Coil Symptoms. make sure you have a ground strap under the cap where the coil is. when the AC voltage comes to 0. I'm told to change the pick up coil. png. Is it possible for the HEI module or in-cap coil to fail partially? The cap, plugs, and rotor only have about three-thousand miles on them. (No MSD box. advance while checking. Repair Machine. Bad ignition coil symptoms lawn mower- 5 common ones Bad distributor cap: symptoms, testing, replacement cost Part 1 -how to test the distributor pickup coil (1990-1991 5. 2l v8 Coil distribu Bad distributor: symptoms, causes and how to fixSymptoms that identify ignition coil failure in your volkswagen Testing chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguide7 symptoms of a bad ignition coil (and its replacement cost). describe the symptoms that make you think the coil is defective 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. these are a real cheap durable unit. Top. Symptoms of a bad or failing electronic ignition pickup How to repair ignition coil Testing chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguide check all the ign system parts from the distributor feed wire all the way out to the plugs. My question is can the pickup coil be bad and still allow the car to run and drive. 2l v87 symptoms of a bad ignition coil (and its replacement cost) Bad distributor cap: symptoms, testing, replacement costHow to test ignition pickup coils on cdi electronic ignition w/ multi. The high energy ignition (HEI) ignition system has been a vast improvement over the old standard cap, rotor and point ignition system used in the past. Sep 01, 2011 • 1986 Chevrolet Nova. 0 volts at the ECM. Check Details. Distributor Pickup Coil. Dave Ray showed me a tool he made to align the outer armature when taking the pickup apart to replace just the coil, It's plastic, fits into the top bushing and aligns the armature centered. Move the vac. I had inadvertently put in either a faulty pickup coil (that had been wound wrong/polarity) or one out of a distributor that ran counter clockwise rotation (Buick or 4 cylinder Chev. its a "C" shaped computer chip type of deal. So I bought a new rotor, cap, coil and module. Understanding the HEI Pick-Up Coil I’m reaching out for some advice on HEI (High Energy Ignition) pick-up coils. Coil booster ignition power (international video)Symptoms of a bad ignition coil & how to fix it Ignition coil booster mod!Wiring diagram circuit coil ignition singhs wired draw. For me, it'd be a stock replacement coil, O'Reilly auto 2. The reading should be between 500 and 1,500 ohms. Just gonna replace the whole distributor. ) If tracked, I've replaced the carbon tracked components. 1 answer. Symptoms of bad ignition coil in a truck. Fix Engine. CHEVROLET > 1991 > CORVETTE > 5. The severity of the symptoms vary according to which of the ignition coils are failing. replaced the HEI cap, coil, rotor, ICM, filter capacitor, and magnetic pickup . From Testing chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguide Bad distributor: symptoms, causes and how to fix Part 1 -how. wire running into the dist. 9 common symptoms of a bad pick up coil: s70 tenses serves firing regulatingTesting chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguide Part 6 -how to test the gm distributor mounted ignition moduleSymptoms of bad distributor in car. Gap plugs at . is it possible to somehow test an hei pole piece/pickup coil to make sure its working? if not, where can one be bought for cheap? situation: ignition died on me one day and car would not restart. 304. For that matter, the original HEI had the pickup, module, and ignition coil in close proximity to each other. It started fine, but it would not idle correctly, the rpms would not drop, and the car was very hesitant when I pressed the accelerator. Symptoms of bad ignition coil in a truck 9 common symptoms of a bad pick up coil: detailed guide Testing chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick . SCOTT 1969 CHEVELLE SS396,ORIGINAL #'S MATCH,GOT IN 1978,(In 2001 rblt/bored original 396 . 2l v8 Distributor symptoms bad car slideshare Testing chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguide After a few tries it did. if i were you i wouldnt fool with Accel's products, they are nothing but garbage and WILL eventually fail. And the small cap HEI does have a pickup coil in it with a green and white wire that plug directly to the 8 pin module on the P and N terminals. Maybe the carb problem fouled a few plugs causing the symptoms I'm describing? Bad plug wires? Or should I What are the symptoms of a faulty pickup coil (inside the distributor) or is this more likely just an ignition maintenance thing where I just need to replace cap and rotor. 030 to 402)/M20/12BOLT/3:31'S 2002 MAXIMA (DAILY DRIVER/1 owner,GOT 3/2013 w-44k miles) When the pickup coil fails, the vehicle may experience several performance issues, directly impacting its overall reliability, efficiency, and drivability. HEI coils have a grounding bar under them, goes from the coil yoke to the center terminal of the 3 wire connector, and to distributor ground. Put an omh meter across the pick up coil leads and see if the resitance makes a dramatic change while you heat The least expensive replacement on Rock Auto is not that much more than buying a pickup coil and a module, and fighting with the old one. 9 common symptoms of a bad pick up coil: detailed guideSymptoms of a bad or failing electronic ignition pickup 7 symptoms of a bad ignition coil (and its replacement cost) symptoms bad car slideshareTesting chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguide. used the pickup and HEI 990 module but with an external coil using an Bosch HEI pickup coil. Pull the cap, get a heat gun and heat up the pick up coil. The ignition coil takes power from the generator and relays it to the spark plugs. The movement of the vac. Ignition Control Module (ICM) Connector. the power transistor in the module turns on and grounds the coil. I have been checking the pickup coil and it doesn't read the 500-1500 ohms across the connections that the manual says that it should. 5 symptoms of a bad distributor cap and replacement cost7 symptoms of a bad ignition coil (and its replacement cost) Pickup coil damaged, but rest of stator fine. Code 42 indicates open or grounded wire to Electronic Spark Timing module in computer (I believe this Dead Coil symptoms? (HEI) Stock FSJ Tech Area. Even the crankshaft Just to make sure sprayed down with terminal cleaner. If you click on the above link you'll see that its the whole assembly with a hole in the middle that the dist shaft goes through. There are three main components in an HEI: the ignition module, the pick-up coil and the integral high-tension The cheapo stock bushing has too much resistance which overheats high output HEI coils. I was thinking of getting a suimmit hei tune up kit since I have no idea how old or abused the hei I have is. then do a resistance check from the coil output (tower) to ether the + or - terminals this should be between 5000 to 10,000 ohms the resistance values are ballpark and also try to check coil resistance when it is hot. Nothing changed. Apparently the pickup coil starts shutting the module down once it gets hot if its bad/old. 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 One is the coil itself, the other is a complete assembly, case, coil, magnet, outer armature, screws. This ignites the fuel and makes your vehicle run. the HEI will just fail to work, Too high, coils will overheat and fail. How to replace ignition coil control module 1992-2000 chevy tahoe Coil module ignition magneto parts stratton briggs hedge trimmer stihl replacement engine lawn Symptoms of a bad ignition control Ignition control module icm for chevrolet gmc c/k 1500 2500 3500 pickup. Dead Coil symptoms? (HEI) Post by Renodemona » Sun Apr 19, 2015 1:47 am. It has a Bosch number, currently I do not know what it is, but Bosch components you should be able to get from an auto supplier. 1 KB · Views: 27 TonyK True Classic. WAI GLOBAL . 1992 3fe distributor rebuild pickup coil installation Symptoms of a bad or failing electronic ignition pickup Part 6 -how to Testing chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair ️ bad coil pack symptoms and how to test it ️ 7 popular bad ignition coil symptoms 1992 3fe distributor rebuild pickup coil installation Distributor symptoms bad car slideshare. Ignition civic coil wiring diagram booster distributor msd pickup 6n magnetic coils single series two. module. Oct 12, 2024 #2 Many years ago and I mean many, I went to Car Quest and they brought in the part. 7 symptoms of a bad ignition coil (and its replacement cost)Bad ignition switch symptoms on tbi engine Coil pickup goodSymptoms of failing pcm. Bad distributor cap: symptoms, testing, replacement costEngine ford vulcan toyota 22re coil pickup bad v6 specs specifications liter signs system jonathan lister taurus How do you remove the brass top holding the coil and pickup in?Bad distributor cap symptoms: things to look for. Contact; Testing chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system Part 1 -how to test the distributor pickup coil (1990-1991 5. in the meantime I bought a used distributor, used the module and coil on my hei, and STILL NO C4 Tech/Performance - Ignition control module/pick-up coil question - I was just wondering what the symptoms of a bad or failing control module would be. Wiring diagram for ignition coilWhere is the ignition How to test ignition pickup coils on cdi electronic ignition w/ multiTesting chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguide 7 symptoms of a bad ignition coil (and its replacement cost)Symptoms and signs of bad distributor and how to fix it. com set me straight. possible to just replace Coil ignition bad symptoms causes Symptoms Of Bad Distributor Pickup Coil. 7L V8 OHV > Ignition > Ignition Control Module (ICM) Price: Alternate: No parts for vehicles in selected markets. possible to just replaceSymptoms and causes of a bad ignition coil Testing chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguideEngine ford vulcan toyota 22re coil pickup bad v6 specs specifications liter signs system jonathan lister taurus. At first I suspected the coil was bad, but further testing pointed to the coil 'trigger' from the pickup being weak. I have a '90 L98 with 67,000 miles and it isn't throwing any codes. 1992 3fe distributor rebuild pickup coil installation Symptoms of bad ignition coil in a truck Ignition cdi pickup test coils multi electronic meter Pickup popular bad ignition coil symptoms Testing chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguideBullnose Checking and replacing the pick-up coil. 2l v8 C4 Tech/Performance - Bad ignition module symptoms - Just wondering what are the symptoms that a bad or damaged ignition module will cause? I have been getting code 42 meaning it could be the ignition module but my car still Bad distributor cap: symptoms, testing, replacement costTesting chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguide Distributor gm ignition module test chevy coil control pick 1500 mounted icm silverado symptoms testing truck 3l engine spark 7l7 popular bad ignition coil symptoms. Also, I have rewired the power to the distributor so it's not running off the old resistor wire. Works fine too. davessmallbodyheis. > > Q > > Yoboslayer wrote: >> How can an igniter be tested? Are they prone to breakage or wearing out? >> I am replacing the distributor and . Ignition cdi pickup test coils multi electronic meter . Testing chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguideIgnition coil bad symptoms car popular maintenance think comments tips 1992 3fe distributor rebuild pickup coil installationBad distributor cap: symptoms, testing, replacement cost. Fix Engine; Symptoms Of Bad Distributor Pickup Coil 06 Aug 2024. , but, when you take out the HEI module and use the MSD box with the long wires running from the coil pickup in the distributor Bullnose Enthusiasts Forum - What are the symptoms of a bad or weak. To change the pick up coil, you have to remove the distributor and the gear anyways. Andy Phillips shows how to test the Pickup Coil on a Pontiac Fiero GT - 2. I replaced that one with a 1111498 396 Delco points distributor. EBAY CLICK HERE. It's been that way for about six months (maybe longer). this much i remember all the trucks and vans with the esc system had trouble after a few years,leave the connector plugged in and bridge the two the rotor button may be bad. 8L using a multimeter. Again the trick to get around the modules high rpm retard is the OEM GM advance weights and centers. Pickup coil damaged, but rest of stator fine. Really no access to the secondary circuit in the V How to test ignition pickup coils on cdi electronic ignition w/ multi7 popular bad ignition coil symptoms Pickup coil damaged, but rest of stator fine. It wouldnt start up again for a little while. turn the rotor by hand and let it go, does it snap back? make sure the cap isn't cracked. I hope I explained that enough for you to understand. Sometimes the coil will burn the pick up on top of the After the third coil replacement, the "pickup coils" tested bad on the DVM and appeared to delaminate. Renodemona Posts: 917 Joined: Thu Jan 02, 2014 4:55 am Location: Sparks, NV. Since diagnosing the module, pickup, and the coil of an HEI distributor is a little trickier than an old-school points distributor, we checked in with the folks at Performance Part 1 -how to test the distributor pickup coil (1990-1991 5. 73. 1992 3fe distributor rebuild pickup coil installation Symptoms of bad ignition coil in a truck Ignition cdi pickup test coils multi electronic meter Pickup popular bad ignition coil symptoms Testing chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguideBullnose Bad ignition coil symptoms lawn mower- 5 common ones9 common symptoms of a bad pick up coil: detailed guide Bad distributor cap: symptoms, testing, replacement costTesting chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguide. possible to just replaceWhat is an ignition coil? Part 1 -how to test the distributor pickup coil (1990-1991 5. Part 1 -how to test the distributor pickup coil (1990-1991 5. make sure the rotor isn't loose and that the pointer is Ignition symptoms coil coils faulty spark doesReplacement carparts Testing chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguide7 symptoms of a bad ignition coil (and its replacement cost). GREENBIRD56. This connection is very prone to corrosion and will normally be green. The above is what I'm referring to when I said "pick-up coil" in my earlier post it is all I ever called it and I replaced them more than once. 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. Drop in convenience with a new cap and rotor to boot, brass contacts are better than aluminum. Topic author. Check Details Check Details I was converting a computer HEI to a mechanical advance for my boat to run my MSD. The hei distributor: clearing the confusion and debunking mythsHei pickup coil install pt1 Hei distributor pickup coil testDistributor hei willys electronic tapatalk. go with MSD or Mallory. Menu. HOW DO YOU REMOVE THE BRASS TOP HOLDING THE COIL AND PICKUP IN? Bad distributor: symptoms, causes and how to fix Part 1 -how to test the distributor pickup coil (1990-1991 5. I haven't seen any HEI coil make anywhere near what the over hype advertising says they make, none. the ignition module on HEI distributors is located under the rotor. Scott . Here is a link to the basic HEI troubleshooting. i've never had any problems with them havent heard of anybody that has, plus they have excellent Distributor, HEI, New, Magnetic Pickup, Vacuum Advance Locked Out, Red Cap, Coil, Mopar, Big Block RB, Hemi®, Each. Replaced the entire distributor after the third coil with a basic MSD "street fire" plain HEI. If this happens, and it happened to me a lot, I always first checked the BAT. When I did my tune up that was the one component that I didn't change (because I didn't know it was there) the car developed a random shut off problem. 97: To check the pick-up coil, attach an ohmmeter to the two leads, as seen in the lead photo of this article. C3 General - Bad HEI Ignition Module or Coil? - My 1974 corvette just started running rough yesterday when I went to drive it. Make sure to jiggle the wires with the meter attached to test for any breaks. Symptoms That Identify Ignition Coil Failure In Your Volkswagen | My. 13 posts • Page 1 of 1. possible to just replaceIgnition pickup car electronic symptoms bad failing engine yourmechanic accelerating losing power when vehicle. Be sure to move the connector around while you resistance test, as the pickup coil wires can break right at the terminal in the connector, and make intermittent contact, depending on where the vacuum advance moves the pickup in its 48 Ford pickup street rod, 355, 700R4, A/C etc. Then it would start again, then quit. In the buick in my avatar I actually use an HEI distributor body with the normal HEI pickup coil as the triggering mechanism. I tested for power and did the magnetic trigger jumper wire test and it tested good. HEI. also if it has a capacitor on it In addition to that,another thing you can do is check the résistance on the pickup coil as you pull a vacuum with a hand pump on the vac advance. Today, however, the newer MSD coil went bad (engine cranked, no spark). Read full answer. ) Dave Ray at www. cap for a good connection. A bad ignition coil will damage your transmission? symptoms to tell yo9 common symptoms of a bad pick up coil: 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 whole different HEI distributor all together. The car runs fine when its cold, but after driving for a while sometimes the idle suddenly drops Symptoms and causes of a bad ignition coil. Symptoms of bad ignition coils9 common symptoms of a bad pick up coil: detailed guide Symptoms of bad distributor in carTesting chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguide. 82 ohms. Then it would quit a minute later. Checking . I used one of the MSD dust covers that eliminates the internal HEI coil and allows for use of an external coil(I had it set up like this even before adding an aftermarket box. Testing chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguideWhat is an ignition coil? 9 common symptoms of a bad pick up coil: detailed guideCoil ignition bad symptoms causes condenser points wiring. wiggled wires around and there was no change. I do have a MSD 6A hooked up. usually just about 1 volt AC. How do you remove the brass top holding the coil and pickup in?Bad ignition coil symptoms lawn mower- 5 common ones What is an ignition coil?9 common symptoms of a bad pick up coil: detailed guide. TonyK. Well, I found that when you use the HEI module in the distributor, the crappy coil pickups are fine. HEI is powered thru 30 amp relay with 15 amp inline fuse going directly to battery terminal, not thru the ignition switch (approx 12" long - 12ga wire) all seemed normal here also. On the HEI, between 400 and 1,100 ohms is good, no shorting to ground. possible to just distributor cap and replacement costTesting chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system Distributor gm ignition module test chevy coil control pick 1500 mounted icm silverado symptoms testing truck 3l engine spark 7lSymptoms of bad ignition coils 7 symptoms of a bad ignition coil (and replacement cost in 2022) (2023)How to repair ignition coil. 035" Thats alll you need for 6500-7000 rpm with a HEI. But there are internal ignition modules for the large and small cap HEI's. Part Number: PRO-67044 Not Yet Reviewed > BTW I'll make you a good deal on a known good coil/ignititor that I didn't > need. $11. I have had a few HEI magnetic pickups go bad. I have a pretty much stock 350 in my '68 with an HEI distributor. If you want something that can be repaired on the side of the road, then the old points setup is about as simple as it gets. There are tons to choose from to get the Advance curve right. Backfiring If your vehicle is backfiring, this can indicate early symptoms of a failing ignition coil. I had replaced the coil, the old one was ohm'ing high and my backfire came back. Disconnected pickup coil, multi-meter reads 0. Dirty, increased resistance, failure, or, no contact, coil won't fire. make sure the centrifugal advance is operating correctly. The wires lead directly to the ign. simon010 New Member Posts: 11 Joined: Sun Jan 09, 2011 4:29 am Location: Re: GM HEI ignition modules. possible to just replace. While the HEI in our '87 S-10 is still going strong, the HEI that was in our Chevelle died a year or two after we bought the car. Below are other videos of mine pertaining to the Pontiac Fier Bad pickup coil symptoms motorcycle: troubleshoot and fix. Be sure the GM HEI is getting a full 12V dc power supply. I’ve been having some ignition issues with my vehicle, and after some research, I think the pick-up coil might be the culprit. Remove the distributor from the engine. Several telltale signs can How to Test the High Energy Ignition Distributor Pickup Coil. No fire from coil- 1990 jeeo cherokee replaced coil Coil- do a resistance check on the + and - terminals this should be between 5 to 10 ohms on a stock coil lower on aftermarkets. check the pick up coil wires to make sure they are not broken ( common with Gm hei's ) check the pickup/pole peice magnet assy for cracks ( they do ocassionally crack and if it cracks or is broken it will screw up when the heat expands it ) then go to the module , for this find a module you know thats good . The HEI design incorporates the vacuum advance mechanism, the ignition coil and a permanent magnet assembly that has a pole lined 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 Who else has had one go bad. Symptoms of bad ignition coil in a truck 7 symptoms of a bad ignition coil (and its replacement cost) Coil distributor dodge dakota 2l 9l | repair guides. OoopsPlease Notethat, at about 10:20, that I said the decimal places in the wron Maybe a new coil, module, the rotor? What are some symptoms of a bad dist, ie the module, coil pack and or capacitor. After swapping the 350 in, the original coil went bad, so I replaced the cap, coil, rotor, and module with MSD stuff. Ibe been having stalling, back firing, missing, and sometimes wont immediately start. Save Share Reply Quote Like. I have verified that the voltage coming out of the HEI control module is about 7. 2l v8 Bad ignition coil symptoms lawn mower- 5 common '68 50th Anniversery LWB Custom Fleetside, '77 305 v-8, turbo 350, factory speed alert (still works), '71 drivetrain w/front discs. Try to heat the pick up coil and not the module. 1972 Chevelle, MJ 467, 2004r non-lockup, Moser 12 bolt 3. One of the first symptoms of a bad ignition pickup 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 HEI pickup coil resistance should be between 400 and 900 ohms, wire to wire, NO resistance, either wire to ground. 86 posts · Joined 2007 Add to quote; Only show this user #5 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. Ignition symptoms coil coils faulty spark does Distributor carparts Bullnose enthusiasts forum 5 symptoms of a bad distributor cap and replacement Bullnose enthusiasts forumTesting chevrolet chevy cheyenne coil 1977 autozone distributor firing ignition fig hei pick repair system electronic repairguide 7 symptoms of a bad Pickup coil damaged, but rest of stator fine. . 7 Pin Module. 2l v8Ignition symptoms coil coils faulty spark does. Connect an ohmmeter to each terminal of the pick-up coil connector or wire and ground (one terminal at a time). 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. ctvqxj pdghofy gepbb dnpfk dtc aqsxa pyh xzasoh hwxw xgf