The engine was replaced at a GM dealer at 187,000. However, you get one telltale sign that signals the onset of direct ignition problems. Can Anyone Tell Me Why My Distributor Coil Keeps Burning Out. Ignition Coil Replacement: $116.03 - $516.36: Get a Quote: Jeff Engstrom. High secondary resistance (or an open-circuit condition) will fry an HEI module. You can get them from any junk yard off lots of different gm cars. Send Private Topic View Profile. Eric . $22.77 Next page. ICM only lasts about a day and then the next morning same problem. They have more electronic dwell than your stock, so the coil saturates longer and produces a more intense spark. Before you attempt to replace the control module, you must rule out other ignition system components. Mounting holes in the module body must be connected to engine/chassis ground (battery negative (–) post). GM decided they didn't need all those moving parts. Basically, things work great until one day the car wont start. Hello,-Put in a new 350 crate motor in 2005. Continue with Facebook. The Dwell control circuit ensures, long consistent coil charging. Ignition module failure is no joke because it often leaves you stranded. Most of the original modules installed in Chevrolet distributors from the mid-80s through the mid-90s shared the same solid-state design. Several months after the engine rebuild, it began dying. Its ignition control module is failing. Discussion Starter • #1 • Mar 9, 2004. Recommended Services. As the problem worsens these cars set random misfire codes in the P0300 range. IIRC olds went as large as .080 but I may be mistaken. Hello There, I would suggest checking the ignition control … 1 - 12 of 12 Posts. I'll replace the module, it - Chevrolet 1994 S-10 Blazer question I think there were reasons for the complaint: 2. 12, 22, 32 with SES light. Can you tell why my control module keeps failing? Re: Hei module keeps burning out « Reply #4 on: September 24, 2019, 12:59 PM » OPPS Petroleum Jelly is an insulator Thermal paste is specified for a reason That may be why you keep losing them Clean mounting area with Carb or brake cleaner and install a new one With thermal paste It is available at the counter at most supply houses ! Since November 2014 I have replaced it three times. They have more electronic dwell than your stock, so the coil saturates longer and produces a more intense spark. I think the … Dear rearroo3-- I think the alternator on your 2003 Chevrolet Cavalier might be sending out to much power to these components. Three coil packs sit on top of the ignition module. Just to name a few, the Chevrolet Camaro Sport Coupe and all the sport-utility vehicles like the Tahoe, Suburban and Blazer. Discussion Starter • #1 • Sep 20, 2007. This also includes the pickup trucks and cargo vans. HEI in cap coils are epoxy filled, and do not leach heat created in their cores outward, they hold the heat in the center of the coil, and fail. It fired up one time, and I again have no fire. He did complain about the GM HEI switching modules though. Post: HEI module keeps burning out (Topic#360813) NickG65C10 Newbie Posts: 1 Reg: 05-05-20. I would say 40 is a good start and not more than 45. As these vehicles started crossing the 15 to 20-year-old barrier the control module started to fail. By mid December that truck had over 100k miles on it already. In a GM car or truck with a V8 engine, the ignition control module (also known as the ICM) is hiding under the distributor cap. I have now put in 8! I know heat for one. A forum community dedicated to hot rod owners and enthusiasts. HEI module by bigredlaguna on Thu Aug 03, 2017 10:40 pm During the course of building my daughter's car, I have had the worst luck with the ignition modules crapping out on me. When the second generation modules go bad the vehicle starts up and runs good until it gets hot. As far as I can tell the old 4-pin GM HEI modules were … In 1996 General Motors redesign the ignition module discussed above. 3 Posts . These were all used because Im not going to put in a new one until I find out … This can … It came with a new HEI distributor, pretty much stock unit, think it was made in China.-It ran great for about a year, then wouldn't start. This article focuses on General Motors automobiles from the last 30 years.It even covers ignition module failure on the early DIS (Direct Ignition System) found on some of the most popular GM V-6 engines ever built. 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. It stops working without warning. Top Answer . I keep burning out ignition modules. Once the car starts again, the static will resume. Tags: Anyone, Burning, Coil, Distributor, Keeps, Tell. I now have 30K on the motor and it runs great except for one problem: The module in the HEI distributor keeps failing. Subject: GM MODULE KEEPS BURNING OUT Category: Miscellaneous Asked by: valkatejo-ga List Price: $2.50: Posted: 12 Nov 2004 19:51 PST Expires: 12 Dec 2004 19:51 PST Question ID: 428278 HELLO I HAVE A 350 CHEVY WITH HEI THE MODULE KEEPS BURNING OUT FOR SOME REASON WITH CAR OFF AND ING LOCKED KEY OUT ANY HELP OUT THERE THANKS MIKE: Answer : There is no … amzn_assoc_placement="adunit0";amzn_assoc_enable_interest_ads="true";amzn_assoc_tracking_id="autofacts-20";amzn_assoc_ad_mode="auto";amzn_assoc_ad_type="smart";amzn_assoc_marketplace="amazon";amzn_assoc_region="US";amzn_assoc_linkid="832d8847fc8b895a70e474b73f5ed552";amzn_assoc_emphasize_categories="15684181"; As an Amazon Associate I earn from qualifying purchases. Send Private Topic View Profile. Stock carb and all emissions gear present - passes California emissions. The one pictured is a Car Quest #21040 and cost me $17.77. For this reason I a lean toward parts manufactured in North America or Mexico.Another key factor of the durability of the replacement parts is applying dielectric grease to the heat sink. Many aftermarket modules accomplish dwell control by measuring the amperage to the coil and cut the dwell to limit it to a preset amount. You can buy a 4-pin HEI module at any auto parts store. This high performance HEI module provides your plugs with more spark over the stock module. By 1978, it had a five-pin unit. Ive replaced about 5 the last few days. This module fits most GM Remote Mount Coil HEI distributors for V8 engines. Check the dwell on an HEI module to confirm the circuit is evoking the longer (expanding) dwell time as the engine speed is increased. I am overheating and burning out coils, I’ve went through 8 to date. I had the intake gaskets replaced and have had this trouble ever since. MSD #8366 GM HEI Computer Controlled Distributor AC Delco D1943A GM Original Equipment Ignition Control Module which replaced the MSD module 250 amp MechMan Alternator 2 Odyssey batteries installed in trunk wired in parallel I wired the car with the Infinity Box Intelligent Multiplex system, all wiring is done correctly. Come join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! Ignition Coil Replacement: $116.03 - $516.36: Get a Quote: Jeff Engstrom. $52.95 MSD Ignition 5596 Street Fire Distributor for HEI Module Engine. JavaScript is disabled. Page 1 of 2 1 2 Next > Jun 17, 2013 #1. beastlyb New Member. I'm going to try a GM module this weekend the ones in the past have been EChlin that may very well be the issue . You have to get the two connectors that go to it. 4.6 out of 5 stars 36. I have the same problem. Examine the wires at the cap, rotor, and spark plugs. Copyright © 2017-2021 Claimed By Mark Gittelman LLC. JUNK! This cycle happens over and over again until you replace the component. When I say high and dry I'm talking about a vehicle that cranks around, but will not fire up. My car has 25000 miles. 454 with HEI ign module keeps failing. Issue did not exist before the rebuild. ever since i got my camaro a few years back i been refering to this site for answers, some great info … Chevrolet Brake Switch Problems and Solutions, Reduced Engine Power Problem Fixed on FixMyOldRide.com, Top 5 Maintenance Items Your Car Needs at 100k Miles. Testing for a weak spark requires pulling the plug from the engine and grounding it … It only last a few months. Some popular vehicles with high sales figures carried these types of ignition modules. It's been that way for about six months (maybe longer). worn plugs or wires, how old are yours? And then check to see that you have 14vdc at the coil wire while the car is running. Chevy it don't … These made in the USA parts proudly show the ACDelco or GM symbol engraved on the module. If the car runs but has timing problems, use a tester light and wrench to adjust the spark plug timing according to the … After the engine cools down the vehicle might restart and run fine until it gets hot again. Another code found set in memory with an ignition system malfunction is the P0336. If the module is bad, then I would seriously think the coil(s) were responsible for the module going out. HEI keeps burning through coils? An important list for those with high mileage cars and an unknown maintenance history. _____ 68 Chevelle flat top 406, AFR 195's, XR286R, RPM AirGap 750 Holley … Answer: Your ignition control module manages your V-6 LeSabre's three ignition coils. Now these automobiles are 15 to 20 years old with more than 300,000 miles on them in some cases.
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