Hei no spark I followed all of the installation procedures too (Grease, etc). Any tests you could recommend? How to replace a hei Distributer and test it. cap while a helper attempts to start the engine. ignition parts made in Mexico With no 5V input on the B terminal, the HEI module is in what's known as "bypass mode" or "base timing mode", meaning that the distributor itself will take care of spark duties, without any input from the ECM. What else can it be?? Sep 30, 2011 · So on the girlfriends truck w/ 350 occasionally the truck just wont start, no spark. I just finished swapping a 350 chevy into my Jeep CJ7, I hit the key yesterday and have no spark at all. When outside temp. Move the truck a few feet, shut off, install new fuel pressure regulator. Feb 16, 2024 · No Spark - When Your Engine Cranks, But Has No Spark When your engine cranks, but fails to start, it could be, because of no spark. Still nothing. The engine will not start. I have a 12v lead from battery to coil going to leads towards front of engine and the 2 leads coming from hei to the 2 leads toward rear of engine. Brand new plug wires and plugs. These distributors are fairly simp May 24, 2010 · Hello, sorry to double post this (also posted in electrical section), but I could sure use some help. I have replaced the cap, coil, module, rotor, buttonchecked ground strap, cant get any spark. And still no spark to distributor. Reg: 12-28-04. I tested the spark plug by putting spark plug in spark plug wire, grounding the metal of spark plug to engine. Nov 3, 2003 · wtf is this: New Coil, Ignition Module, SPs, SP wires, Distributor Cap, Rotor, and innards, but still no spark. I verifed 4 pin. Both were getting 12v(checked)--original distributor from its original wires, HEI from a fused ign plug at the fusebox--, and appear to have no obvious mechanical malady I could visibly see. Ive installed 2 different hei distributors and still have no Jun 2, 2009 · Go to the local parts store and buy a HEI spark tester, they are less than 5 bucks. Sponsored. I swapped in my old "backup" HEI unit and it also had no spark. Replace module with good used GM unit, add thermo grease to back side to transfer heat away, clean the coil ground in the cap, and check the two small green A no-spark condition is checked by checking the distributor for power at the connector on the side of the cap. I have no spark. Oct 21, 2019 · Cold start was o. We have 12v power at the pink ignition wire in on position. Looks like water went down the hood onto the distributor. Make a jumper wire (10 or 12 gauge) long enough to connect the + side of the battery to the BAT terminal on the HEI cap. May 20, 2007 · 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. During cranking it briefly drops to just under 10v. The spark plug and wires are brand new. Now i have cleaned up wiring. Hot start: won't run. The key switch needs power right off the battery. dropped in teens one morning it wouldn’t start. I checked and i am getting good spark to the Distributor. last sept I had again no spark so tested everything and it all tested good so I replaced, in this order, ignition switch, wiring harness in the distributor,pick up coil and module and finally the msd coil Mar 23, 2009 · B substitute another coil and repeat the test. The truck was running fine, but then after a bad rainstorm just quit working. Replaced the coil. I checked for spark at the plugs and got nothing. I bought one of those testers you plug into the plug wire and hook to the block (much better than the rag + pliers BTW) and got nothing. If you ever do upgrade to HEI, make sure you don't use the wire that goes to your coil now. If you haven't wired the Mopar box into your car yet, I would not use it and instead use the distributor to trigger a GM 8-pin HEI module & coil (85-95 V-8 trucks or TrailBeast' kit). The HEI’s integrated ignition coil in Feb 4, 2024 · Still no fire no start but again there was a time i felt like i left the key on testing things. I had a fuel leak problem as well but I was able to fix that by making my own steel braided line. now i have no spark at Jun 25, 2006 · Im running the Accel HEI dist and I just pulled out my 283 and replaced it with a 350 and when I went to start the new motor up I wasent getting any spark. Found no spark. The car wouldn't start and I had gas so i ran some test an I noticed the HEI wasn't doing its job. Offline: Board Sponsor & SL6 Racer: Joined: Thu Oct 24, 2002 2:57 am Jan 26, 2021 · According to Performance Distributors, If you are experiencing a no spark problem with your HEI distributor, using the following information can help you. Jun 20, 2021 · Test drive, it ran great! Then, intermittent stalls and after 5th time, done, nada, no spark. I pulled one of the plugs to check for spark, nut nada. Jul 17, 2020 · Might have used the Mechanical stuff to run a MSD System but no more GM HEI modules for me ever again. placed the old #1 wire on the car, still no spark. however the hei is made to work off full voltage (12. That same distributor was running right up until it threw #1 through the block. I ran the power from the battery to the dist and nothing and no spark May 19, 2015 · Turn it over but there appears to be no spark. I killed my trusty old hei with a wiring mistake after an engine change. :welcome: Apr 21, 2021 · Post subject: Re: HEI CONVERSION NO SPARK. This topic has 0 replies, 1 voice, and was last updated 7 months, 3 weeks ago by pushyqueffer. What are the possible causes of this? It's the HEI with coil built into the cap Sep 3, 2020 · If there is still no spark and all the connections and voltages check okay, the issue points at the MSD box and you should send the unit to the MSD Customer Support team. Jan 19, 2020 · I also tried bypassing the hi-6 box by using the provided coil driver but that also didn't work, still no spark. I had it towed home, tomorrow I will check if it's getting 12v at the coil. Positive accross and according to inyernet is good. Any suggestions on what to check next? Thanks Jun 9, 2020 · On a stock Chevy big-cap HEI installation, No. Jan 20, 2010 · Getting ready to pull a '73 sbc out of a parts car to use in another project. Go to start, won’t crank again. I Aug 29, 2022 · Seriously? Now what's wrong when we went Autocrossing, do you remember how the GTO was misfiring? It's time to test, diagnose, and discuss the symptoms May 9, 2011 · HEI billet 8365 no spark 05-09-2011, 09:09 AM. Mar 18, 2012 · I just installed a GM HEI distributor in my 86 CJ7 258 and I can't get a spark. OHM'd coil, primary (batt wire to tach wire) good, . If there is power, disconnect the electrical connector and remove the cap. The problem is I can't get it to fire. Discussion in 'Early CJ5 and CJ6 Tech' started by 44bz, Nov 21, 2021. lead going into distributor is good. Would crank normally but not start. Get in the car, yesterday (second trip after installing the parts), cranks and runs, no problem. 6K views 9 replies 4 participants last post by NOT A TA Apr 13, 2020 Jun 3, 2010 · It has a small block 350 with the newer HEI coil inside the distributor. Aug 20, 2023 · In particular, no spark from HEI distributor can be a perplexing problem. Tired of replacing modules so I took it out to replace with what I thought was something more reliable, but I still don't have spark. I have been dealing with a no spark situation for the past month. Jul 26, 2009 · After all the parts swap I still have no spark, even bought a spark tester today to confirm the results to be sure. The next think was that the distributor was not getting spark. 8 volts. Rotor is truing. No spark at coil wire. It's a 4. Post: HEI no spark (Topic#244172) trident Forum Newbie Posts: 88 Loc: Blue Springs, MO. I am getting full battery voltage to both sides of the coil (a How to change the module in an HEI Distributor with no spark Mar 24, 2012 · Here are some specs: 1968 327 SBC Corvette engine, HEI distributor, 4 barrel Holley Carb, and an edlebrock intake manifold (No idea what model) Save Share Reply Quote Like Aug 2, 2016 · SBC HEI Power to Distributor but No Spark Aug 3, 2016 21:01:07 GMT -5 STROMI 121 likes this. the distributor is the "divorced coil" type. Visually, the cap looks good, and the rotor DOES turn as I crank the motor. Jun 14, 2015 · Thought it was fuel but verified that it was getting fuel. 1 cylinder location and the rpm of the engine. Im at a loss. So i figured the only other thing it could be was the hei control module and bought a brand new one of those too, and hooked it all back up, still no spark. Page 1 of 2 1 2 Next > Nov 21, 2021. I have a stock HEI, the engine is a 1986 out of a K10 pickup, I have a stock coil and new cap, a good 12 volt source going into the battery side of the cap (no tach hooked up yet), this engine did run fine when removed from the truck so Oct 24, 2020 · Hello, I am a new member. I ran down to Advance and got a new coil and still no spark. May 4, 2015 · helping my friend with his 1956 chevrolet 3100 that has a 250 6cyl with hei and no spark. It suddenly died and wouldn't restart. It has a new starter solenoid new battery. Figured we'd tune it up while in the old car. with a new crate 350 sbc. Probe the TACH terminal on the dist. Wouldn't start tuesday morning, plenty of fuel, no spark. Sep 24, 2010 · Have a 70's 327 in my 67 malibu. In fact the ECM doesn't even need to be in the car to get spark with an HEI distributor (or GMDIS that is based on the same idea). Thread starter Knep115; Start date Aug 5, 2024; NO spark, Ignition coils are getting hot with ignition on. 7 350 TBI. I am not getting any spark at all. Went to checked spark and nothing, so I changed the coil and ign module and rotor. Mar 16, 2010 · Ok lets see: I have a 396 with a HEI ran good last week, this week no start. maybe take a picture? As far as the resistor wire goes, when the car orginaly came with a regular points type distributor this wire lowers the voltage from 12. Select Post; Deselect Post; Link to Post; Member. 6 Volts. Sep 26, 2010 · New HEI distributor but no spark. It shots no volts to the Batt wire on the dist when in the run position or while trying to start. No spark so i moved onto the HEI distributor. Replaced the coil, cap, rotor, ECM module, and capacitor, and still no spark. Jan 24, 2018 · I have absolutely no spark with the HEI distributor and the ignition box. Sep 27, 2011 · Dark Mode; Light Mode; menu Log in Feb 12, 2017 · Just dropped a 327 into my sons truck, I'm getting 'no spark'. I tested them to the black wire Sep 19, 2022 · I've been running one of the cheap eBay "A Team" HEI distributors on my 250-powered lemons racer for like 8 races now. The old coil witch was really only 1,300 miles old had a scroched wire so I thought that was the problem. Jan 20, 2014 · Still no dice. Wired correctly to every post found. No reefing!!! Step4: If the distributor cap, spark plug wires, rotor are old, dirty split, oily or original to the motor, replace them also. Everything is the same, here is what I have done so far. Checks with results are below. Pulled the points dist. 44bz Member Oregon City OR. 8/351M, 6. Feb 16, 2009 · its hard to say bro, I guess i would need to see the wiring and how its hooked up to understand whats going on. I spent about 4 hours playing mix-and match with various new parts and checking connections. Further testing is required to pinpoint the problem. It these is now spark the coil is at fault. Dec 1, 2007 · "Carefully apply" the silicone paste to the new ignition module without touching the grounding screws. If 12 bolts are present, find another switched 12 volt source and repeat the test. 4 pin on heat sink. when you are ready hit toggle switch on for Nov 20, 2007 · I'm getting good fuel pressure and the plugs are clean. Apr 25, 2010 · Well, I finally finished my conversion from TPI to carb. I don't think I am getting any spark. I have troubleshot the fuel pump being bad and replaced that. The rotor does turn while cranking. Dec 31, 2002 · i just bought a 65 chevy truck with a 350 bored 30 over. 5V), however, my Holley Blue and 3 electric fans were running when I checked. Cap, and rotor button. You will find your problem with this. Dec 28, 2015 · could be the way you are wiring it. Feb 24, 2012 · Hi guys, I have a 70 chevelle with a 454. also need power at coil to dist. Yes, it’s getting fuel. I just bought a 1986 chevy K10 about 2 weeks ago. I have no spark to plugs. Have a 1960 Valiant with a 1965 225 swapped by parties unknown in the past. My father and I are stumped, something so simple but it just won’t give a spark. I had a HEI Distributor and everything was working fine then one day I was getting no spark. The coil,ignition module, pickup, rotor,cap are all new. Blink but no spark = bad ignition . I installed a new coil and ignition Aug 15, 2017 · 2) no spark at plug or distributor coil using plug test light 3) no fuel spray in intake when turning over 4) noticed check engine light stayed on with key switch turned on 5) did the A,B jumper at diagnostic port and the only code I got was 12 but the check engine light went out and has since stayed out. Jan 12, 2010 · Truck ran fine with no indication of problem. Hope it helps. Jul 9, 2012 · To test the coil by itself disconnect the white and green wire at the ICM to the ignition sensor, hook up a jumper wire to the white and green wire going to the ICM with the ignition switch to the run postion and rapidly strike the jumper to a good cleen ground to simulate a running engine, again check the spark color. I said screw it and bought a new one, as they're cheap and time's getting short for the race, still no spark. In this guide, I will explore the possible reasons for the problems. We did just change out the window switches (removed center console). Post Posted: Mon Apr 26, 2021 11:41 pm . The grounds are all good. I'm going crazy and I need help. Check power wire and have battery voltage at dist when key on and when cranking. The only other part in the dist than can fail is the pickup. I still have no spark. Maybe its a bad batch and we'll see if another one works. Went and bought a brand new msd distributor and put it in and still no spark. Ive installed 2 different hei distributors and still have no Oct 11, 2009 · The tach terminal is the negative side of the coil when grounded current flows thru the primary side when you remove it from ground primary current is interupted collapsing the feild in the primary side causing a spark just like when points opened a spark is created. Mar 30, 2020 · HEI no spark troubleshooting BTW did you put heat transfer paste under your new module ? auto parts stores don't generally carry that stuff (hence the blank stare from the parts clerk when you ask for it) and you have to source from a computer store or online, HEI modules can get pretty warm firing the coil and use the distributor body as a Sep 14, 2024 · Hello everyone. It has a 5. I took the top of the HEI off and it is 12 volts to the Yellow and Red wires. C If there is still no spark, check to make sure there are 12 volts on the small Red wire from the MSD when the key is in the On position. Dec 4, 2017 · For ignition spark system 1- check if you have spark at the coil then 2- check all wires spark with HEI spark tester 3- If only one wire has no spark then 3a- Distributor cap cracks inside or rotor defect replace Distributor cap and rotor 4- replace wire defect or no spark test with HEI tester. Jul 26, 2009 · 350, 380hp. Coil is known good, has Switched 12+ and solid ground. But then it shut off at seven minutes of running. Now i can not figure out why i have no spark. Apr 25, 2008 · I have an 84 Sierra with a small block 400 in it with HEI. No spark at the plugs. two options for me thus far: 1. Going to take the MSD back and ask for another one. Still no spark so for shits and jiggles I switched out the coil and module for another new set. However, understanding the potential causes and troubleshooting methods becomes essential when confronting that disheartening situation. HEI no spark issue on older 70’s 350 sb; HEI no spark issue on older 70’s 350 sb. MSD street fire HEI distributor with built in coil. It uses an ignition module within the distributor to regulate the timing curve as well. Still no spark. Jump to Latest 8. Car was running qhen i got it. I replaced the ignition module with Jul 30, 2007 · Re: HEI No Spark I also am running an HEI for the improved spark and performance. Thus, the air/fuel combination in the combustion chamber is set ablaze by the spark plug. Connect the ground side of your test lamp to the battery POSITIVE cable. Had the module tested and it was bad. Jan 17, 2010 · 1972 chevrolet k20. Give Gift; Back Nov 4, 2012 · I was replacing my fuel gauge yesterday and left the positive on the battery like and idiot and caused a short. Each spark plug in a contemporary car's direct-ignition system sits atop a coil cluster. FYI, this is an HEI system on a 1970 Chevelle 396. k. Air is easy to check; no stuck choke, etc. Secondary, (batt wire to carbon pick up on bottom of coil was OL. I could not get it to fire once. kinger_k10; Aug 8, 2023; Introduction Aug 2, 2019 · OK heres the deal. new edelbrock 650 cfm carb' intake manifold' fuel pump' fuel lines. I have around 10,000 miles on this motor and I put a brand new HEI GM distributor in, when we got the engine. motor is pretty basic no emission or "junk" in there from the 80s, just basic setup. Apr 25, 2024 · 86 HEI no spark. It was running the motor prior to rebuild without tach hooked up. The GM HEI distributor uses a hall effect for the triggering and sensing the No. On the drive home it seemed to be running fine. Im Jul 20, 2021 · C3 Tech/Performance - Low Spark HEI Distributer - Hello All, Hope all are safe. I swapped the Accel HEI Super Coil (in-cap style) for a new one and still have no spark. No blink= bad module or pickup coil. Mine is 100% reliable but I don't have a neutral enable connection, so that may be the difference. No spark, is one of the most common reasons, why your engine will not start. Apr 7, 2019 · Is there anything that should be hooked up on a 5 pin hei module to get spark besides +12v on the red wire? I'm trying to test fire my engine on the stand and i'm getting nothing. Parts all looked fine, no rattling in the coil or modules, no signs of arcing. Tried a second one Jul 30, 2018 · Need Help, 225 With Hei No Spark. Truck was completely restored 20000 miles ago so mechanically it’s a new Jul 28, 2024 · New Hei No Spark. Lightly "snug" the 2 grounding screws to the distributor mounting plate. 7 OHM's. No start, doing the same thing like it’s getting no spark. I had the same problem, I was getting power to the dist but no spark to the plugs. In total I've tried 3 different units: the "Old" one, the "backup/spare", and a brand #$^*ing new one out of the box Jun 15, 2019 · Use an inline spark tester to verify spark ($3 Harbor Freight). Apr 25, 2024 · Hei distributor, 12V coming in, nothing coming out. Oct 2, 2017 · HEI needs full 12 volts for starting and full battery/alternator output when running from a 10 to 12 gauge wire direct off the key switch. it only has like 9. It turns over strong, just NO spark. I removed the points distributor to install a hei distributor. Now this is what I did today. Dec 16, 2016 · HEI no spark during crank problem The 1973 - 1991 Blazers, Jimmys, and Suburbans Message Board HEI no spark during crank problem - The 1947 - Present Chevrolet & GMC Truck Message Board Network Register or Log In To remove these advertisements. Jul 8, 2017 · hey guys, well I'm completely baffled. neways i was driving it a day ago and i went around a corner and stomped on it burning out. I have a solid 12V at my Batt terminal on the cap. Use this first to se if you have any spark while starting. The red wire off the ignition has power. no spark!! Gas EZGO. Dec 11, 2017 · If, for some reason you have no spark coming from your distributor, the following will help you check and test the installation, connections, and components, of the unit so that you can get your engine running. Instead of fussing with it, I throw my HEI junkyard find on it. Grounds from motor to chassis are good and the ground from the MSD is to the firewall, but have tried the engine, negative battery terminal, frame, etc. Setting, This car was parked and gauge kept for 5 years, replaced battery no spark. Now the 1983 CJ7 258 I6 with HEI Dist cranks but wont spark. Hot start o. thanks in advance steve Dec 15, 2014 · No spark could be because points are set too tight, they need to open and close to make spark. please help before I loose it and send this burb to an early grave. Joined Jul 28, 2024 Messages 11 Reaction score 3 Location Illniois Vehicle Year 87 Make Apr 7, 2020 · Help, 69 firebird, 5. 7L 350, No Spark from HEI Jump to Latest 3. next i used multimeter its getting power to plug on side of coil but nothing to the wires or plugs the rotor is turning when it is cranked over but Jul 22, 2005 · ain: Got there and then wouldn't start. Do not try a spark plug or screwdriver, get the right tester so you can check spark and intensity. It will automatically advance the timing on acceleration a specific amount and retard the spark when decelerating and starting. User Info. I had the stock electronic distributor in with no spark and figured it was a module issue. what I did was to use a toggle switch for a good on/off power to the HEI. Replacer the ignition control module. Aug 10, 2022 · Spark plug tester shows no spark, also pulled the spark plug and spark plug wire and touched the spark plug tip to body while cranking, just to double check, and not even a faint spark seen. 4K views 3 replies 3 participants last post by Crazy-J Sep 28, 2010 Dec 29, 2008 · HEI no spark help me please Jump to Latest 28K views 9 replies 7 participants last post by 58Apache Jan 1, 2009 May 19, 2007 · Help!! Were getting no spark at the plugs in our 1978 Corvette with HEI Ignition. Remember, these units have a one year warranty, plus most of the 6A series can be rebuilt so it’s worth sending the unit in after you’ve taken the proper steps and checks. Sep 3, 2006 · 335 Series- 5. Towed her home and put in the stock HEI and no problem starting. I am getting some voltage drop at the coil wire (10. new 6 inch lift on 35 inch dick cepeks. then I got a starter switch, hooked one lead up to battery and the other lead to the S terminal on starter. it ran for about a week then just wouldnt get any spark i checked firing order changed coil cap and rotor and ignition module new plugs and wires checked timing with light its getting fuel . Unplug the wires from the BAT terminal and the Tach terminal on the HEI cap. I went out and bought a brand new one and put her in and still nothing, no sparks. BTW, sorry if this is posted in the wrong place. Have replaced spark plugs, had starter and battery tested. 4-13. Strange problem just started. The relay has 12 v power. Aug 14, 2017 · I was havn trouble with chrysler 4 pin box. The HEI does not require the use of a ballast resistor. It has the 289 v8. How do I go about testing the HEI with my Fluke meter? I have an MSD 6Al and the module is removed from the distributor. Jul 17, 2012 · I have a 1988 GMC Suburban Sierra Classic. Very low spark, sometimes no spark. It will have instructions on use. We have changed the coil, had the module tested at Autozone (passed), tested the cap, rotor and pickup per manual; all with no luck. All are good. Mar 18, 2024 · Starts up. No start. Test a couple plug wires with test light, getting no spark from the distributor. Jul 27, 2011 · HEI, Weak spark at coil, no spark at plugs Jump to Latest 15K views 13 replies 4 participants last post by JeepHammer Jul 30, 2011 Oct 23, 2019 · I just recently got a 1968 mustang coupe. Jun 10, 2012 · 2. The voltage to the HEI "BAT" terminal must be the same as the battery voltage, or the spark will be very weak, or no spark Mar 4, 2023 · HEI is usually quite easy. Thread starter m00k_ Start date Aug 19, 2024; m00k_ Member. It stopped running when it wanted to shift, but that had nothing to do with it when I pulled a spark plug wire and no spark. Have 12V to the coil. Grounded. 1 is usually the second wire terminal clockwise from the rectangular part of the coil cover sticking out of the housing where the external wires hook Oct 23, 2019 · I just recently got a 1968 mustang coupe. Oct 23, 2021 · If no spark or start, swap the dist for a known good one, or change the hei module with a new one. Send Private Topic View Profile. 5) so when you Jan 19, 2024 · What are the other ends of the HEI plug yellow and tan wire connected to? Below is a quick way to hook-up the HEI to check its operation. Check the rotor and the cap for excessive wear. New blaster 2 coil. Oct 25, 2002 · The HEI in my pickup has no spark coming out. (replaced the HEI module with a new spare. Stay tuned. and it did' but when i got to the light it started to stumble and then died. . I suspect your module has a bad ground. If the HEI "BAT" terminal wire is still going through a ballast resistor, then the the spark will be very weak. Coil, rotor, module, and wiring harness. 5v down to like 9v for the coil to operate on. So i did the gm hei module conversion. Best ignition I ever had was a Potted MSD ignition module sold by Ford Racing many years ago for the NASCAR boys. I figured I shorted out the HEI or the circuit underneath . Mar 5, 2019 · The real beauty of the GM HEI distributor is its longer ignition coil dwell time that can deliver greater ignition current to the spark plugs at high rpm. Aug 10, 2002 · A fully charged battery will have at least 12. Checked to make sure rotor turns (it does. HEI Distributor. I have a circle track GM 604 crate motor using the MSD billet 8365 distributor with the adjustable (dial) rev limiter. Swapped in a brand new el cheapo HEI and it fired. ) After checking for power,grounds, Ohms, did not find a problem. Replace HEI distributor and no start. I took the cap off and the coil was melted. If I pop the distributor cap off and then put it back on immediately it starts right up. Edelbrock 600cfm carb is 6 months old. I reinstall the original HEI distributor, connected the tach out from the box to the Sniper purple wire, connected the white from the HEI to the ignition box and it fires up instantly, so I know the setup works. So I ordered a refresh kit from summit. weak or no spark replace Sep 19, 2022 · I just built a new motor (old one went kablooey) and can't get spark on my HEI distributor. The test lamp should blink repeatedly as the engine cranks. Yes, Reel Poor, I know it may go Kaboom! But not likely, I've removed the vacuum advance linkage and molded a urethane seal to completely close it. You know the drill! Sep 11, 2013 · Replaced spark plug wires. It was turning over just fine, just no spark. Just no spark. Trying to get my new motor firing and I've got no spark. Installed a new MSD coil, Cap/Rotor, and HEAT Ignition module. and installed a hei (used) engine started and ran (it started hard and had a slight miss but we had the old plugs in it and hadnt set the timing). Fuel is easy to check; pull the throttle linkage and check for fuel spitting into the carb. That lets you eliminate the ballast resistor and get a stronger spark. If your engine has no spark, you can crank the engine as much as you want, but it will never start. ) Checked to make sure there isn't a hole in the rotor that's shorting out the distributor (there isn't). get the 12v wire from hei to one side of switch, the other side of switch the wire goes to battery. 3 v6. I used a test light between the tach wire and +12v on the battery and I'm not seeing any flashing Feb 14, 2005 · I got a new replacement coil from kragen, put it all back together, still no spark. I have fuel (and fuel pressure) and the motor cranks fine, but no start. But starting from scratch - you need three things to fire: (1) air, (2) fuel, (3) spark. 6/400, 351 Cleveland - hei and no spark - a new motor with new hei distributor was running- shortly- then no spark. Apr 22, 2007 · C3 Tech/Performance - HEI No Spark? - I tested Voltage to the Battery Connection in the HEI, 12Volts Solid, wire coming straight from the Battery, no fuse at this point (I will install once I have spark). Jul 11, 2012 · 89 Marathon with HEI. I am stumped, any help is appreciated! Even put a new 12v pigtail on it. Placed the old cap and coil that was working from before the rebuild on the motor (still no spark). The GM HEI Ignition has been in use since 1974 and it’s simple to use design make it easy to put into just about anything. Quote. 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. Gas EZGO Gas EZGO Marathon, Medalist, TXT and RXV. It has the cap, rotor, ignition control module, and HEI May 23, 2010 · I just completed my 350 Chevy small block swap into my Jeep CJ7 and hit the key and have no spark whatsoever. No idea when it was last running but it turns over no problem. Nov 12, 2022 · A separate spark plug wire connects each spark plug to the outside terminals of the distributor. I just replaced the following (again): Ignition Module, Coil Pack, pick-up coil, Dist. pgjgylciybjsuidlxcinxiipnxqzurrcdigavjgqajnrmrwumhif