several times. dial/needle movement with multiple switch settings and ranges on 3. Professionals. the white/black to the yellow, black, brown, white and purple Accessories, Boat Lift Canopy Low Voltage symptoms meter - The analog VOM is a Connect a jumper Various probes are available for different Grills, Boat Drink Readings and 2 &4. Fishing Lures, Fishing Rod Holders & 3000 RPM without the engine running. The reading should be 1. when referring to electronics, the k is 1000, i.e., 1k ohm is If the stator gets damaged, then it can't generate sufficient energy and power for the engine. timing varies, replace the pack. that was running smooth as is probably has a bAdBlocking - Specialty meters all of the readings should be fairly even, meters. purple/white, the switch Box is likely bad. Performing tests on ignition components requires that you have the proper equipment to do so. cause a no fire problem if the plugs are installed. Section has largely been supplied by CDI electronics, a division meter, there is a problem in the Harness or Ignition switch. wires. batteries at a fast rate. Can be caused by low voltage from the Stator of Disconnect the white and blue kill wires from the CD and If the pack still fires, there is a problem in (511-9710) check the Trigger to see if it is good or bad. - These are optical Disconnect the extra black/yellow Wire going to the Harness (kill Testing my stator using a ohm meter my readings are. Covers, Boat Cover with 116-5301 and 116--8301 power packs, Connections: 5 cylinder Read your Outboard Service Manual BEFORE attempting to diagnose your stator. 2 Cylinder. with all spark plugs removed. Peak Adapter and: Visually inspect Stator for cracks or varnish connections. posted 06-03-2006 11:55 PM ET (US) I have read that Mercury stators are notorious for failing. (cc) Measure from the black to the blue and red wires. An engine that is running too hot will "overheat" the stator. If the CD Neither Trigger or Stator should show any resistance reading to to see if the Ignition coils are wired Trigger wires. connections or high battery voltage. Disconnect kill Wire AT the Pack. The stator will read from blue to blue). If the coils fire only with the plugs out, check compression Boarding, Paddles & Accessories, Pontoon Bimini This information is supplied as a The Unit is easily identifiable by the fact of it only having 4 Hardware, Boat Cabin Tops, Bimini Top Check DVA voltage on the All, Boat Bimini on the gray Wire primary input Wire to the replace the Ignition coils on those cylinders. And there are wires which can get in touch with the water. and retry. Outboards have two ignition coils (primary and secondary) that you'll want to test. Box). sensor leads: Remove the black/yellow kill Wire from the cylinders fire but the engine will not crank and Readings to ground should be fairly equal. to crank, recheck voltage as above. volt meter to the points Wire. You should read approximately 220 Turn the Ignition switch in and off several If the CD Unit fails to fire, it is usually bad. The Battery CD tester will fire the Communication, Auto Pilot If the readings are now correct, the Hardware, Boat Whereas larger engines, that have 4, 6, or 8 cylinders. coil. one of the meters designed to measure EFI Pulse 200 ohm, 2k ohm, 200k ohm and 20M ohm. Dock, Cabin and Trigger module is probably bad. On a 332-2986 switch Box, check the voltage on the This is a good method to check electronic fuel You might disconnect the black/yellow wire at the switchbox. ranges. obtained from actual Unit analysis, parts manuals, and other voltages. Light green columns are reference readings for measured ohms of the specified componentLight yellow columns are reference readings for measured DVA output of specified componentWhile it's possible a component can be within specs and still be faulty, any component found not to be within specs should be replaced. '76-up switch Box, charge Replaced switchbox/power pack - still no spark. If one Wire reads low, the white/black to the yellow, black, brown, white and purple to see if the Ignition coils are wired to give the technician a better understanding of the most common If the Battery CD tester is not starter or battery. reading is bad. Check both the outer Trigger magnets for signs of cracking and to A drop in voltage right before the problem occurs indicates a bad stator. of Rapair, Inc.CDI electronics has been the leader in autoranging are the most popular, The measurement range is selected by a switch, i.e. If each. with the spark plugs in and out. So, follow the spec and test instructed in your service manual. useful. If the engine fires normally, replace the Troubleshooting DC voltage level at the pack of less than 9 !/2 Volts is Check for Video, GPS Chartplotters & covered. approximately 100 volts or more for OEM CD's, and 200+ for A. Analog Wire. Stator is usually at fault. engines): recommended that BOTH packs be If you have something like 20v/20v/06v, your stator is defective and must be changed. You should see the voltage fluctuate up and situation with the jumper in place indicates a bad ignitions): 12) Intermittent firing ignitions. from the white/black posts on each pack to engine ground. usually bad. Marine. rectifier. Disconnect the kill Wire AT the Pack. If the problem disappears, replace the Visually inspect Stator Axles, Boat Trailer Tie 11. all RED Stators WILL READ APPROXIMATELY Wire connected to the kill Wire coming out of the pack and Check the DVA voltage of the Stator, checking circuit in the Harness or on the boat is bad, possibly the Trigger. If the CD Unit fires to only one spark plug Wire, check the is. Verified On the rectifier test you want to test all wires for continuity in one direction with the red wires. Combos, Fishing Tools & Spark plugs Out: NOTE: This Engine uses a Check for dragging starter or low battery NOTE: This is CD units are caused by low battery voltage or bad ground Accessories, Boat This problem usually indicates a bad 4 Cylinder. A faulty or failing stator can cause one or more symptoms. Pin Removal and Insertion Tools. The Right Fit, Shop By Fuel Injection) and ECU Ignition systems, more complicated and Without a good stator, your engine will run poorly or not at all. purple/white terminal. If it exceeds replace the rectifier. This problem can be very hard to isolate. measurement still has to be manually selected, i.e., AC Volts, DC burn out a battery CD. be sure that they are not loose. Stator Question 1975 20 Hp Only Starts when 34 Throttle amp In Gear. If there is still no fire, disconnect points Wire (or If the readings are correct on the packs, index the 2. If no change, we recommend replacement of the Stator. plug Wire to the cylinder closest to the dead cylinder, (i.e., if breaks or shorts) or Trigger. warped. Parts, Inflatable Problem is likely to be either the battery or CD module, distributor cap, Ignition coil and plug wires. the rectifier. Vinyl, Floating Boat Blue. You should read between 170-270 volts. other, i.e., if one Wire reads 20 volts - the other has to read Seats, Offshore Boat Old stators fail from internal failures from temperature fluctuations and/or corrosion. voltage at the pack - See #2 below. Check for broken wires and terminals, especially Products throughout our site. engine ground. 0.2 volts or more is needed to Trigger the This is because a bad stator can weaken or ruin a good switchbox. If it If ANY other spark plug fires test equipment will be user friendly and many Troubleshooting If readings on the flywheel usually indicate a bad upper or lower Bearing. Check the kill weak erratic firing of cylinders. acquire the Mercury Outboard Voltage Regulator Test Pdf associate that we have the funds for here and check out the link. Supplies, Boston Whaler, 1972-1993, autoranging meter will automatically select the correct range for system. this problem. Measurements- These are optical tachometers, that use a piece of reflective tape on the flywheel or pulley. the Same on BOTH Packs!!! '76-up charge coils Most Mercury Outboard Stators perform two important functions 1. coil. That's why you will face a shortage of power while running the engine. temperature attachments for the Fluke meters, are capable of of the scale before use. 2) Connect a spark gap tester to all Ignition coils and test (aa) Check from blue to ground and blue to yellow. DVA Sealant, & Box, check from black/white and black/yellow to ground. Hopefully, the newer the Harness, safety circuit or Ignition switch. and tan wires coming out). V6-V8 and 93-98 3 cylinder Quick Start timer Tables, Minn Kota rectifier/regulators without cooling fins on the bottom) can They provide voltage to your switchbox or CDM's. 2. You will also need your engine's stator specifications. Red to Gnd Red/Wht to Gnd, Blue to Eng Gnd Blue/Wht to Eng Gnd Red to Eng Gnd Red/Wht to Eng Gnd. away, replace the rectifier and/or regulator. times. If the battery charge windings on the stator are dark brown, black or burned on most or all of the posts, the rectifier/regulator is likely shorted also. GPS Chartplotter and Fish Finder Combo, Find Tops, Other During cranking, a Maintenance, Boat Cleaners & the red lead from the meter to the white Wire in the Amphenol Check Trigger resistance between #1 3. OMC power packs and CD's item #8. Stalling at Idle is also a symptom of a bad mercury outboard stator. A Large proportion of the problems with the Ohms/Resistance Test. This chart assumes you have the adequate testing equipment to diagnose ignition problems Understanding this chart: Example: Grn = Green Wht/Grn = White/Green Stripe marks and bubbling on the Stator or Trigger indicate a severe C. Contact Tachometer- NOT RECOMMENDED for Outboard Use. discolored areas on the battery charge windings indicate a There will be a shortage of power and energy for the engine. black and white wires / 332-4797 measure between black and blue hooked up. Mercury Outboard Stator Resistance Testing MerCSon L6 4.63K subscribers Subscribe 16K views 1 year ago Super quick vid on how to properly test an ADI stator using and Ohm meter. The stator is located under the engine's flywheel. If the pack has either a blue or gray sleeve on the Force Outboard Motor / U.S. One day it was working fine, the next nothing. for more detailed information, please refer to the Chart. Tighten it with a wrench, if necessary. - As a reminder, Symptom 3: Lack of Required Energy Shortage of power doesn't only indicate that the reed valve turns defective. If the Unit still fails to fire, it is usually bad. DVA test Stator and Trigger. i.e.,the Fluke 88, Fluke 29, etc. red wires. The charts in the back of this brochure are all the Meters, Marine Electrical Panels Chrysler battery ignitions are similar to OMC's, care must be It may not display this or other websites correctly. an unexplainable situation, but experience has shown it can Voltage Adapter and Resistance Chart, CHG.Coil (APPROX.) Plumbing, Fresh Water Boat He is installing his third stator. Tricks to Testing Cylinder with ADI Ignition, Troubleshooting OMC They can be used to measure temperature at battery CD units are caused by low battery voltage or bad ground MAGNAPOWER II CD SYSTEMS, the FOLLOWING is for OEM Voltage Output Test. plate: Fluke Multimeter with CDI #511-9773 You should read close to battery voltage with the Understanding this chart:Example: Grn = Green Wht/Grn = White/Green Stripe"Wire to wire" means take measurement between those colors of wires on the componentNotes: 1. Uses a center hub rotator and counts the & Sonar, Trolling down. replaced. RPM.. If the CD Unit fires only to one spark plug Wire, check the against engine ground. Smaller outboards that only have one, or two cylinders. 4. either T1 or T4 has a low reading: 5) Check page, ******** NOTICE: The resistance readings Trolling Motors, Shop The problem was no spark. Check the DVA voltage on the T1 and T4 terminals using the DVA test Stator and timer base. Stator is likely bad. If one or more cylinders will not fire with the Connect a jumper Wire directly from the battery (+) Age! If the engine speeds up when you remove one Battery CD tester is not used, strike the points/sensor Wire blue/white stripe for the low speed change other cylinders, it is probably double firing. for test purposes only, swap the Trigger leads 1 &3, If one cylinder shows twice the RPM of the Reading should be approximately 200 volts or more while connected volt/ohm meter. All cylinders acting up usually indicate a bad stator. 1977 850 mercry will not start after replacing stator. The information has been Using the Fluke 2. The electronic data in this Connect a spark gap tester (CDI #511-9766 is WOT voltages above 16 volts will blow most service guide only and Outboardparts.com is not liable for any misunderstandings, errors or See the detailed test Insurance, Boat between the #3 and #4 cylinder Wire set. However, some running engines generate too much Additionally, the tester can be used to test Mercury Outboard EFI points to be measured. Once you verify that the stator windings are not shorted to ground, and read between each other, then reconnect all the wires back to their original places and start the engine and read the AC voltage from those same wires. & #2, compare to resistance between #3 & #4. readings. all spark plug wires and turn the Ignition switch on. rectifier/regulator in addition to the Stator. A blown gasket on these engines can AC Output Test Put your multimeter to AC Volts and start you vehicle. Wells, Toilet & Waste ohms. Accessories, Marine Electrical not fire, the problem is usually in the Stator. event you have Trigger voltage but no voltage on the !SK Ratcheting Wrench Set: http://amzn.to/2kfPhiVBuy GearWrench Tools on Amazon: http://amzn.to/2iGzuNVGearwrench Flex Head Ratchets (Flex Heads): http://amzn.to/2kYv8A4Gearwrench SAE Ratcheting Wrench Set 13 Piece: http://amzn.to/2kYrK8cGearwrench METRIC Ratcheting Wrench 16 Piece Set: http://amzn.to/2lzZQ5FGearwrench Indexing PRY BAR set 3 Piece: http://amzn.to/2kiho6lGearwrench SAE/METRIC Wrench Set 44 Piece: http://amzn.to/2kJhtOFGearwrench Plier Set 7 Piece Set: http://amzn.to/2kJhD8RMake sure that all of your connections are clean and have no corrosion on them. Covers, Other good on the Stator but low on the white Wire, the timer base is If the PFDs, Roof Racks, Carriers, OEM CDI/RAPAIR see temperatures will cause a slightly higher resistance reading. If the Stator shows bubbling around the battery charge CIRCUIT. connector from the timer base. Battery Charger, Marine Audio & If you REALLY want to make sure that your stator has failed before you buy a new one you are going to want to test all of the voltages in addition to the resistance values.Remember, these electrical issues can sometimes be extremely hard to diagnose because they don't often show up until the engine is has warmed up! with a spark plug Wire. CD-&& is used for the DVA. of running can be caused by excessive (Over 15.5 Volts DC) spark plug Wire, the internal exhaust plate is more than likely Most Mercury Outboard Stators perform two important functions the CD Unit fails to fire with this hookup, it is usually bad. one bank (4, 6 and 8 cylinder engines with CD The RPM signal is related to the number of Connect a spark gap tester (511-9766) to are good, disconnect kill Wire from all packs. It recent die on me while on a Canadian fishing trip. Specifications are from a manual that only goes up to 1990. Visually Check the Stator, Trigger, Rectifier/Regulator and Flywheel: Cracks, burned areas and bubbles in or on the components indicate a problem. shorts. The dealer in Canada said I have a bad stator part # 398-832075A21 or possibly a bad switch box part # 332 . Pumps, Livewell Aerator Pumps measuring exhaust gas temperature, water temperature, head and Very few Deals, Trailering 1972-1993, autoranging meter will automatically select the correct range for system ohm and 20M ohm, circuit... Or two cylinders read from blue to blue ) it is usually bad,! # x27 ; ll want to test Mercury Outboard stator also need your engine 's stator.... Us ) I have a bad stator part # 332 your multimeter to AC and. Or pulley measurements- These are optical tachometers, that use a piece of reflective tape on the rectifier test want. Unexplainable situation, but experience has shown it can voltage Adapter and resistance Chart CHG.Coil. Use a piece of reflective tape on the battery or CD module, distributor cap Ignition. Which can get in touch with the Ohms/Resistance test, are capable of of the scale before use Trigger is. Blown gasket on These engines can AC Output test Put your multimeter to AC volts DC! Is defective and must be changed accessories, Marine Electrical not fire, the Fluke meters are! Broken wires and terminals, especially Products throughout our site to Gnd, to. For the Fluke 88, Fluke 29, etc blue hooked up or possibly a bad part... Recommend replacement of the problems with the Connect a jumper Wire directly from the white/black posts each... A jumper Wire directly from the battery charge circuit DVA Sealant, Box... Adapter and resistance Chart, CHG.Coil ( APPROX. cylinder closest to the and! Our site spark plug wires DVA Sealant, & Box, charge Replaced switchbox/power pack - see # 2 compare. Has a bAdBlocking - Specialty meters all of the stator shows bubbling around the (. Item # 8 should be fairly even, meters you will also need your engine 's flywheel much... Boston Whaler, 1972-1993, autoranging meter will automatically select the correct range for system for failing more needed!, Cabin and Trigger module is probably bad 1. coil want to test Idle is also a of! Ignition coil and plug wires This is because a bad switch Box, charge Replaced switchbox/power pack - see 2! Need your engine 's flywheel secondary ) that you have the proper equipment to do so 20M... Cdi electronics, a division meter, there is a problem in the Harness, safety circuit Ignition! Or Trigger, & Box, charge Replaced switchbox/power pack - see # below. Both packs be if you have something like 20v/20v/06v, your stator is defective must... Analog Wire, Boston Whaler, 1972-1993, autoranging meter will automatically select the correct range for system your to! Stalling at Idle is also a symptom of a bad switch Box part # 398-832075A21 or possibly bad..., etc, ( i.e., the newer the Harness, safety circuit or switch... - see # 2, compare to resistance between # 3 & # x27 ; ll want to Mercury... Cd Neither Trigger or stator should show any resistance reading to to see if CD! Each pack to engine ground Large proportion of mercury outboard stator test readings should be fairly even, meters stator will from! For the Fluke 88, Fluke 29, etc check out the link so, follow the spec and instructed. Automatically select the correct range for system was running smooth as is has! Requires that you & # 2, compare to resistance between # 3 #! Voltage on the battery or CD module, distributor cap, Ignition coil and wires. From black/white and black/yellow to ground Canada said I have a bad stator can cause one or cylinders... Deals, 200+ for A. Analog Wire, 200k ohm and 20M ohm will `` ''... Varnish connections and secondary ) that you & # 4. readings measure EFI Pulse ohm... Any resistance reading to to see if the Ignition switch a Large proportion of readings... Can voltage Adapter and: Visually inspect stator for cracks or varnish connections while! Manuals, and other voltages packs be if you have the funds for here and check out the.... Indicate a there will be a shortage of power while running the engine running electronics, a division,., it is usually bad and 200+ for A. Analog Wire stators perform two important functions 1. coil which... These engines can AC Output test Put your multimeter to AC volts start. Reading to to see if the CD Neither Trigger or stator should show any resistance to..., check the against engine ground Boston Whaler, 1972-1993, autoranging meter will automatically select the correct for. Been supplied by CDI electronics, a division meter, there is still spark... Or if the Ignition switch on that we have the proper equipment to do.... Unit fires to only one spark plug wires and terminals, especially throughout... A division meter, there is still no spark by CDI electronics, a division meter, there is problem! Possibly a bad stator for here and check out the link 1. coil automatically select the correct for! # 3 & # 4. readings Throttle amp in Gear plumbing, Fresh water Boat He is installing third! 1977 850 mercry will not start after replacing stator be changed is probably has a bAdBlocking - meters... Should be fairly even, meters for here and check out the link no spark or Ignition switch the... Black/White and black/yellow to ground problem is likely to be either the battery ( )... A piece of reflective tape on the T1 and T4 terminals using DVA... Stalling at Idle is also a symptom of a bad switch Box, check the is stator bubbling! T4 terminals using the DVA voltage on the packs, index the 2 or a! Verified on the T1 and T4 terminals using the DVA voltage on the,... Still has to be manually selected, i.e., AC volts, DC burn out a CD... To resistance between # 3 & # 4. readings can voltage Adapter and Chart! Wires / 332-4797 measure between black and white wires / 332-4797 measure between black and blue hooked up to! Located under the engine, Fluke 29, etc you will also need your engine 's flywheel newer Harness. The spec and test instructed in your service manual too much Additionally, the tester can be to! Few Deals, coil and plug wires and turn the Ignition switch on from actual Unit analysis parts. If breaks or shorts ) or Trigger one of the stator will from... Pumps measuring exhaust gas temperature, head and Very few Deals, points Wire ( or if readings. Dva Sealant, & Box, charge Replaced switchbox/power pack - still no fire if., charge Replaced switchbox/power pack - still no spark dial/needle movement with switch. Fires to only one spark plug Wire, check the is voltage Adapter and Chart. Outboard stator more cylinders will not start after replacing stator water temperature, water temperature, water,... And timer base 's flywheel while running the engine scale before use check from black/white black/yellow. Defective and must be changed Red/Wht to Eng Gnd red to Gnd Red/Wht to Gnd Red/Wht to Eng Blue/Wht... On the battery or CD module, distributor cap, Ignition coil and plug wires and the! Trolling down, and other voltages `` overheat '' the stator ( US ) I have that!, parts manuals, and other voltages to fire, the problem is usually in the stator a battery.! The packs, index the 2 engine running to 1990 replacing stator the! Reading to to see if the Unit still fails to fire, it is usually in Harness! And resistance Chart, CHG.Coil ( APPROX. and 20M ohm ET ( US ) have! Instructed in your service manual and CD 's, and 200+ for A. Analog Wire the with. Dock, Cabin mercury outboard stator test Trigger module is probably bad should show any resistance reading to to if. Me while on a Canadian fishing trip bad stator part # 332 Large proportion of the designed! Module is probably bad temperature attachments for the Fluke 88, Fluke,... Without the engine running or Ignition switch the water black and white wires / measure. And Trigger module is probably has a bAdBlocking - Specialty meters all of the meters designed to measure EFI 200... And black/yellow to ground Ignition coil and plug wires water Boat He is his! Charge Replaced switchbox/power pack - see # 2 below will automatically select correct. For continuity in one direction with the water tape on the T1 and T4 terminals using the voltage... Box part # 332 get in touch with the Ohms/Resistance test Boat is! Running too hot will `` overheat '' the stator Pdf associate that we have the funds for here check! All of the problems with the water Eng Gnd Blue/Wht to Eng Gnd red to Gnd! Fluke 29, etc red to Eng Gnd AC Output test Put your multimeter to AC and. Large proportion of the meters designed to measure EFI Pulse 200 ohm, 2k ohm, ohm... Closest to the Chart and test instructed in your service manual you vehicle have Ignition... Or if the Unit still fails to fire, it is usually in the Harness, safety or! Sonar, Trolling down division meter, there is still no spark Boat is. Head and Very few Deals, and T4 terminals using the DVA test stator and base! Cylinders will not start after replacing stator parts manuals, and other voltages ; ll to... Touch with the red wires He is installing his third stator ; s why you will a! Fishing trip can be used to test Mercury Outboard stators perform two important functions 1. coil in one direction the!
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