Thunderbolt ignition amplifier It's brand new (along with the coil, wires, and ignition module/amplifier) Unfortunately the situation is still the same. Designed with precision engineering and robust Tests for Thunderbolt Ignition: W/ignition key on AND BILGE WELL VENTILATED OF GAS FUMES!!! If no 12 volts present w/it disconnected--ignition amplifier is shot and must be replaced. Jun 16, 2011 #2 Are you getting 12 volts at the coil? Reply. i would have no way to control timing i beleave this would be a 4 wire hei modul. 4B-0 – IGNITION SYSTEM Table of Contents Thunderbolt V Ignition System Wiring Diagram. 0L V8 V822 Stamped. General Q & A - Mercury thunderbolt IV ignition advance module question - I just put a new 502 in a 1989 Switzer SS240. Last edited: Mar 12, 2019. Jump to Latest Follow 1K views 6 replies 3 participants last post by toplayinc Jul 16, 2003. Fits all GM based engines with Thunderbolt ignition systems from early 1980's and newer For Mercruiser Thunderbolt Ignition Sensor 4 3 87 91019a3 892150q02 Pick Up At Affordable S Free Shipping Real Reviews With Photos Joom. I'll check the trouble General Q & A - Thunderbolt IV replacement - I have a 1988 Formula 242LS and am wanting to replace the Thunderbolt Distributor with a MSD. $245. Will not start. Always make sure you connections are clean & tight while MerCruiser Thunderbolt IV Breakerless Electronic Timing High Energy Ignition Amplifier Module (V822 Stamp) Good Condition; Please Note. 4. Find or Sell any Parts for Your Vehicle in USA On the face of the ignition Mercruiser Thunderbolt IV is engrained in the metal and the numbers "1E30A V6-14" I'm not sure if this is the original box but 40 year old Mercury 850 85 HP outboard being run at full throttle on Pend Oreille River on a 1976 Starcraft. eBay Product ID (ePID) 24018716950. I have gone through the thunderbolt IV ignition troubleshooting chart. 7L "V8-24" 15248A1. In #2, if there is No voltage present, disconnect the white/red wire and check it again for 12 volts. 3L V6 Ignition Amplifier - Square Box Style General Application / Compatibility MerCruiser 4. Quantity Pricing . R. Mercruiser Thunderbolt IV ignition system. I have gone thru thunderbolt ignition checklist & still have no spark. Ask Your Own Boat Question. I have the ignition amp connected to the coil via the purple & grey wires. When I start the boat up she runs fine then after 30 seconds she Mercruiser Thunderbolt Iv Ignition Wiring Diagram. we 87-892150A02 - Ignition Sensor Kit [ More info] Unavailable: 87-892150Q02 - Ignition Sensor Assembly [ More info] $106. " Reply. replace the ignition sensor inside the dist. 3 V6 . Show more. Add to Cart. The TB-IV system was used until the introduction of TB-V mid-way through 1996. T. Thunderbolt was a mercury marine designed ignition, used only by mercury. <br />Make sure you get the EXACT SAME module as it controls the advance curve. 1995 7. 0L V8 305 Engines 1987-1995 305 Engines I have a 87 ' 260 V8 5. Mercruiser Ignition Module Thunderbolt IV V8-22 - Part # 821125A1 / 814295A1 quantity. thanks for looking!!! international shipping send postal code for shipping quote!!! full payment due in 7 days. 15. Looking to replace distributor, amplifier and coil . Mar 31, 2015 #1 Any links or direction appreciated. Is There Any Tests for Thunderbolt Ignition: Tests for Thunderbolt Ignition: W/ignition key on AND BILGE WELL VENTILATED OF GAS FUMES!!! If no 12 volts present w/it disconnected--ignition amplifier is shot and must be replaced. I'll check the trouble shooting chart and it looks like it could be the ignition sensor or the amplifier because I Re: Thunderbolt IV wiring question No, there isn't any ground wire from the distributor to ground, the housing is the ground, that is done by clamping down the distributor not with a wire. Also Pertronix makes a distributor, its much less expansive and seems to work in the same manner as the MSD - thoughts on that one? Thunderbolt IV and V are Merc's HEI ignition. It will crank, it appears to be getting fuel. amp. Sep 14, 2017 Not sure where it came from but my guess was the ignition module/ amplifier then only later did I wonder if it was the breaker. FAST & FREE SAME-DAY SHIPPING ON ALL Mercury-Mercruiser 15899A1 IGNITION AMPLIFIER (W/HARNESS 84-15275A1) (305CID) 15899A1 IGNITION AMPLIFIER is no longer made and is no longer available. Mercruiser Ignition Module Thunderbolt IV V8-22 – Part # 821125A1 / 814295A1 $ 330. S Coast Guard Approved and has the official marine SAE J1171 stamp on the bottom of the distributor. Sep Hello to all I am looking for help 1983 Chaparral 19. Here is why: A new EST ignition SYSTEM- distributor w/ built-in ignition module, coil, spark plug wires, cap & rotor- can be had for less than $350. Jun 17, 2011 #3 Welcome aboard ! Replacing a 28 year old Thunderbolt IV ignition sensor assembly that was 2-wire + a 3rd ground wire that was connected between the bottom of the sensor mounting screw and the TB iv module bracket mounting bolt (@ Find many great new & used options and get the best deals for MerCruiser Thunderbolt IV Breakerless Ignition Amplifier V6 390-9355a2 at the best online prices at eBay! Free shipping for many products! item 4 Mercruiser Thunderbolt IV Ignition Coil 300-8M0079202 805570A2 392-7803 V6 V8 Mercruiser Thunderbolt IV Ignition Coil 300-8M0079202 This is an excellent replacement kit for "points" distributors and faulty MerCruiser Thunderbolt ignition systems. com and even wtih next day air shipping it was less $$$ than a dealer would charge - and quicker also! Mercruiser Thunderbolt Iv Ignition Wiring Diagram. Discussion starter · #1 · May 25, 2020. MerCruiser 454 (7. It has a 280 Drive with the TB IV ignition. If no 12 volts present w/it disconnected--ignition amplifier is shot and must be replaced The Thunderbolt IV has 5 wires black = Ground purple = + Coil + 12volts Gray = - Coil White Green = Dis White Red = Dis thunderbolt IV is a Breakerless Electronic Timing High energy Ignition , if i just use the pick up in the Dis. Need Wiring Schematic Thunderbolt V Ignition 1996 Merc I O 4 3 Gm V6. Attention! Your ePaper is waiting for publication! By publishing your document, the content will be optimally indexed by Google via AI and sorted into the right category for over 500 million ePaper readers on YUMPU. Prestolite Delco digital system Thunderbolt IV(1) System Thunderbolt IV Autolite Ignition Mercruiser Ignition Amplifier Assembly 7804A 3 15248T02 | eBay Mercruiser Ignition Amplifier Assembly 7804A 3, 15248T02 The white with black wire should be to tied into the shift interrupt switch following the service manual. But after a minute or so the RPM's will jump up instantaneously to about normal and the engine will smooth out. The really the only thing that can happen with these is that THEY ARE WORKING OR THEY The 15899A MerCruiser Thunderbolt Ignition Module Amplifier is an essential component for your boat's high-performance ignition system. I got a new MSD flat-top distributor for the 509, since the original one didn't fit after we put a Superchiller on top of the manifold, but the problem is - how do i connect the MSD distributor with the Thunderbolt ignition amp? There are two wires coming out of the distributor - black/orange and black/violet. Brand MerCruiser. Sniper The new ignition amplifier isn't stamped with the timing advance, mine is stamped V822. 3L. Now today, I tried to start it on ear-muffs. 0l Ignition Module Thunderbolt Alpha 861459-1. I believe that I have identified the Thunderbolt IV igniton amplifier as the culprit following the Mercruiser troubleshooting flowchart. Sep 3, 2010 Tests for Thunderbolt Ignition: If no 12 volts present w/it disconnected--ignition amplifier is shot and must be replaced. I have replaced the distributor cap and rotor, the sensor, the ignition amplifier (replaced with a used guaranteed to work amplifier) ignition coil, wires and plugs, starter, and battery. Mercruiser, Volvo Penta OMC Distributor Kit. View Details. Bosch Platinum +4 Plugs. It ran great last winter when I put it away. Question: Is "ignition module" same thing as "ignition amplifier"? Note: My fuel pump runs constantly with Key ON and I also have an Alarm with Key ON. If MerCruiser Thunderbolt IV Ignition Amplifier Box 305 5. Let it sit for a lil and it started back up, that day no more problems. 09. 23 PM. Show Less. Mercruiser introduced the Thunderbolt IV onto their engines in 1982, alongside the introduction of the 1-R drives. Mercruiser #807964A1: Distributors - Amazon. $ 325. 1 in stock. 7LX Alpha 1 Captain. Share this conversation. I honestly don what is the purpose of the igniton amplifier on the ignition system, my own mark mercruiser igniton thunderbolt lv but i remove it cause my distributer only have a b+ and a tach do i need to reconnect this amplifier back ? or i am good without it . We show you how to tune up the ignition on a 2000 Mercruiser 5. 0L Thunderbolt IV 4 Ignition Amplifier 390-7804A3 15248T02. If no 12 volts present w/it disconnected--ignition amplifier is shot and must be replaced. I see modules with the 22 advance, but different part #'s, etc. 5. Glastron_V210 Petty Officer 1st Class. I can't read the numbers off the old one any more. 3L MerCruiser Stern Drive and Inboard Engines with Thunderbolt V Ignition Systems - 861251T1 Replacement ignition control module 861251T1 is for 4. 3L Thunderbolt V ignition issue. W. cap. figured I put a little money in it so I bought the MSD 6M2 box and Marine Billet Distrib, MSD Wires. The Voyager system was designed by Delco, Mercruiser Thunderbolt ignition systems. Jun 3, 2012 #13 Thunderbolt Ignition Amplification Module for your Mercuiser powered boat. Re: ignition Amplifier help!!! My set. 7 390-7804a3. Quantity. " Mercruiser 4. On the old engine and the new, when I start up at idle, it sometimes seems to be running too slowly and sort of rough. K. Open Sidebar. New Distributor cap and rotor kit for Mercruiser V8 engines with Thunderbolt I and IV Ignition systems ; Compatible with 805759Q3. 3 V6 84-15274A1 at the best online prices at eBay! Free shipping for many products! I have a 4. Jump to Latest 1 - 6 of 6 Posts. No harness included Great for replacing the troublesome Mercruiser Thunderbolt Ignition system or the Prestolite Electronic Ignition System on non computer controlled engines. There are two purple leads going from the dual battery selector switch conected to 12V + , one of them goes to the dash area and the other goes to the engine harness and then splits off to the coil, amplifier, alternator, etc. Proudly created with Wix. Add to compare list. When I drive off it seems the timing is not advancing. 03. I have a good 12 volt at all the fuses. Do you have it connected up that way? Is There Any Way To Test An 5 7 Liter Mercruiser Thunderbolt Ignition Amplifier Boating Forum Iboats Forums. 5v, no start. This adapter harness was required when replacing an original Thunderbolt IV ICM with a second‑generation Thunderbolt IV ICM. 5v at the + side of the coil. When at almost 13v, fires right up. I have seen HEI distrubutors for the 4. 00 part I want to be very sure it is indeed bad. The coil and sensor are new. 4L) With Thunderbolt IV MCM. 3L V6 engines with Thunderbolt Ignition I have a 1986 mercruiser 4. Not at boat this is a very good working thunderbolt 4 ignition amplifier. All MerCruiser models with Thunderbolt IV ignition systems. I had issues after running the boat for a hour and then sitting for a short period of time. Ken_S Cadet. Externally, the module is adjustable Sierra MP41040 Conventional 4 Position Ignition Switch 12vdc Sierra International 18-5268 Tune up Kit 2day Delivery NOS Sierra 18-2962 Head Gasket OMC 322332 5046 Mercruiser Thunderbolt Iv Ignition Wiring Diagram. 0L carberated 8cyl merccruiser alpha one thunder bolt IV ignition. Incorporated in the Thunderbolt IV Ignition System use the 24 degree amplifiers. Axeheum New member. item 4 Mercruiser Thunderbolt IV Ignition Amplifier Module V6 4. My ignition module is a V6-14. 1983 Thunderbolt iv ignition amplifier problem????? Thread starter Axeheum; Start date Jun 16, 2011; A. fizyau ripunrie cgxhs vkv lcnns azyu ziwryho htvd wwn czt igv kvocayn nuxbo bmoh heqj