How to test a cdi box. First, disconnect the ground wire from the battery.

If you find any issues with the wiring, repair or replace the faulty wires as necessary. This is a bit easier/safer than having spark plugs 'loose' on leads. CDI box testing is a crucial diagnostic skill for any snowmobile owner. It can be used to test the CD module, distributor cap, Ignition coil and plug wires. A cold (continuity) test by removing the CDI box from the vehicle. 7 ohms / spec = 1. 0 ohm across the two primary coil terminals. You know if the CDI is bad by process of elimination. I got all these figures from the experts on here. Remove the CDI box from the ATV. Both approaches to testing a CDI box are effective and practical. It can help identify issues before they turn into costly repairs or replacements. Testing 3 different CDI boxes for a 150cc GY6 scooter. Jun 22, 2023 · This video is a breakdown of what a CDI box is for the GY6 and other small engines. Make sure that you do not work on the cdi immediately. Feb 15, 2004 · Somebody just e-mailed me for a CDI switchbox test. Jul 2, 2017. Hope this helps some. Table of Contents: CDI box testing procedure. The capacitor can ignite without a battery connection, and there’s a built-in capacitor for kick-starting. Sep 11, 2008 · Posted September 12, 2008. I have some specs but they don't provide the wires' colour; the generating coil is the one from the stator which provides ignition power and should be 10-17 ohms; the trigger coil picks up the signal from outside the flywheel and is 190-300 ohms. Mechanix Original Gloves $30. 5 Pin CDI Box. You have some good info you're passing on. You should have a ground wire coming from your stator and your CDI/ECU box. 01 is the odd man out, can't be swapped with 02+ units. If your machine is hard starting and when it does run, it runs good than its the stator. Just about everything else though can be tested with a Multimeter. Make sure all connections are free of moisture, are tight and use a little bit of dielectric grease on it. You really need to get one if working on your motor yourself. The CDI 511-9701 Battery CD Tester is highly recommended due to its ability to fire the Ignition systems up to 3000 RPM without the engine running. Might be your ignition coil or stator. During the waiting time, it is time to carry on with your CDI visual inspections and identify physical deformations (if there are any). Like. You should allow the box to sit for at least 30 minutes to allow the internal capacitance to discharge fully. No real test, if you are getting no or intermittent spark its cdi. Sometimes it Oct 21, 2022 · To test your CDI box, you will need a multimeter. May 20, 2010 · You can check the coil though. Dec 17, 2022 · Here are the steps to test a CDI box with a multimeter: Disconnect the negative terminal of the vehicle’s battery to ensure safety. at 1500 7v. The first thing to check are the connections from the stator to the cdi. Connect the negative lead of your multimeter to the negative terminal of the CDI unit. Wire 2 - Pulsed Voltage. owner. Use an ohmmeter to check continuity between the coil ground as well as the ignition wire. No, multimeters are not all the same. [snapback]408870 [/snapback] . Either way, both types are very similar and should work in your Polaris machine. Order a Procom CDI module. Remove the HV lead from the coil to the center cap (remember it Dec 6, 2023 · Pro Honda Dielectric Grease $6. 467. See full list on electronicshacks. 4. Testing from inside the electrical box not only tests the stator, it also tests the connector. Assessing for fault in your CDI. Analog units will not work, nor will the ultra low cost versions of the digital meters now available. The pick up coil on the outside of the flywheel and one of the inner stator coils. Run a CDI cold test. It tells in the manual how to do it. cdielectronics. 5. For most CDI box tests, choose the correct measurement mode, usually the DC voltage mode. You can use a multimeter to test and assess the status of your CDI box. cdi out 95v cranking loaded. I took off the tank and seat today to check all the wiring and connections. CDI box; Multimeter with pin leads (My Top Pick Multimeter for CDI Testing:⭐ Klein Tools Digital Multimeter Kit With Pin Lead ⭐) Testing CDI box with a multimeter (3 Step-Guide) Step 1 -Remove CDI box from motorbike. If it shouldn't move and does, use the duct tape. Picked up a replacement CDI which measured the same (500K). pulser1w/r-w/y. The 5 pin CDI box is fitted with a male connector at the top. Jul 9, 2020 · The quest for a higher top speed. 1 ohm ~ 1. Feb 24, 2015 · Posted February 24, 2015. 423. I wrote back and thier mail bounced - TWICE. Watch the video and find the link for the switchbox in the description. Cranks - CDI bad (see #2) Doesn't - TPS bad, timing messed up, etc. Apr 19, 2019 · How to diagnose, fix and replace a CDI or capacitor discharge unit shows you how to troubleshoot, fault find, diagnose no spark on your electronic ignition o Sep 4, 2023 · Check CDI input – Make sure the green and white input wires to the CDI box are getting the proper pulsing and AC voltage signals. Sep 10, 2011 · A CDI unit is an electrical part, so you can't return it if you find the CDI isn't the problem. Disconnect all 3 wires on the distributor side of the switchbox. My suggestion is to match your manual to your CDI and go from there, so you're gonna have to figure what part # the CDI you have is. <br /> could be a pulser,could be the CDI or it could still be a fuel issue or a wire connection. The only difference may be the individual resistance values depending on the year of the unit. You can increase RPM via the idle screw but that's it, not the throttle cable which becomes "too much" and dies. Had one just installed at dealer. Tilt Trim Motors. If your ATV has a 5-pin CDI box, you can use it to identify a safety switch issue. A blue and white wire often connects the stator to the CDI box itself in CDI boxes. When I brought the bike home the previous owner informed me that it ran, and then all of the sudden turned off and would not restart. com. Quick View. com A CDI box works via the voltage from your motorcycle battery, and the electrical load discharges in one operation, starting the ignition and combustion processes. For more details watch CleanCarburetor Jul 6, 2020 · In this video we will detail the symptoms of a failing Waverunner / Waveraider 701 CDI unit. You can test for short, open, resistance and peak voltage. A. com/products/ac-cdi-boxReplacement DC cdi box:https://www. Save Share. CDI Part # 961-0003 Rev Q 2/8/2012 TECH SUPPORT 1. Jul 10, 2011 · CDI module testing. V. Therefore, it’s important to understand CDI box functionality and know how to test it. If there is still no spark, the coil is likely bad. The input to the CDI unit is derived from two sources of the alternator. I picked-up an 86 450 that has an intermittent ignition problem (spark one moment, none the next). 1. For more details watch CleanCarburetor movie How to test power pack. Mar 21, 2008 · So to test cdi I would unhook each plug wire individually and see if it starts. When it fails, it is directly, No spark anymore. Apr 29, 2022 · Bench testing a CDI 114-2986 switchbox. 3. In addition to dischargin’ those capacitors, the box may also influence your rev May 17, 2007 · has anyone ever bought an aftermarket cdi box from a guy in new zealand? decent price, and says it is a direct fit replacement, i tested the source coil. 100% Mechanix Fastfit Gloves $15. A professional mechanic should undertake these tests to avoid damage to the bike or bodily injury. Measure Resistance. We show you how to check. This isn’t exactly definitive, as we have seen working coils with 0. resistance is 330 ohms. I go through what the CDI box does, how to tell if you have an AC or DC v Sep 10, 2023 · Step 3 – Testing CDI (Hot Test) There is another way to test the CDI box while it is still attached to the motorcycle’s stator. Then, connect the multimeter probes to the CDI box and do the test. A faulty connection can disrupt the CDI box's performance. 6 ohms 1. Because of this, we recommend that you rule everything else out before replacing the CDI box. Then have a friend quickly pull the recoil and check to see if Jun 24, 2009 · Note: Later versions of the domestic stator have a 12-pin or 8-pin connector outside the electrical box. coil, would a universal aftermarket coil for cdi work ok? again thanks guys Remove the high tension lead from the original coil and distributor cap. May 1, 2010 · Sounds like you have a weak spark. Check the ground. When you test either the CDI igniter or the rectifier/regulator you want to use a very high impedance digital multimeter. Remove the CDI Box which lies under the seat of Motor cycle. Feb 1, 2010 · 6. Jun 5, 2022 · CDI Circuit using an SCR, a few Resistors and Diodes. Resistance should be around 3 Ohms. Jul 5, 2024 · Refer to the CDI box specifications for the expected voltage range. The CDI box works by receiving a signal from the engine’s stator or pulse generator. 95 You save 9%. For 67-74 inline six engines May 19, 2024 · The basic CDI system is a trigger mechanism, coils, and a box, often black, with capacitors and other circuitry inside. There's a few tests you can do with a digital multimeter. Connect the positive lead of your multimeter to the positive terminal of the CDI unit. Taking good care of your CDI box. There are so Jun 10, 2015 · See this video for information on making a DVA: https://youtu. This test only works on 5-pin CDIs, typically found on cheaper Chinese youth ATV models or older ATVs. Most of the time it is the condenser that fails after years of use or Moisture. Thanks & Goodluck RaceTech :) Nov 12, 2009 · The thump is the relay (solenoid). The company that manufacturers the unit has a test station, but they only randomly test 1 out of every 10. Test the A/C voltage from the CD CDI Electronics Jul 28, 2015 · In this video, I show you how to test and resolve Handa CID box module and coil issues related to an electronic ignition system spark failure. 3. The ignition coil is not a stock unit (no mounting lugs) and was literally taped to the bottom of the frame. Water Pumps. It’s important to test the multimeter’s stator end rather than the cdi end when checking for continuity. 130v at 1500 b/w-b. Most Polaris models use a 6-pin CDI, but there are some older models that make use of a 5-pin CDI. '01 660 Raptor, Burgard +2+1 arms, YFZ Shocks Feb 19, 2023 · A faulty CDI box can lead to a range of problems, including poor fuel economy, misfiring, and stalling. Feb 3, 2016 · Not everything you may need to know but there are other great videos that already go deeper. 800. If they are, then focus on the CDI output side. Look for a small black box with five wires going to it. Nov 18, 2015 · 425 posts · Joined 2014. This short video shows an outboard Force by Mercury Marine with the power pack replaced. Mar 5, 2023 · There are two main variations of AC and DC CDI boxes used in Polaris vehicles. Without this tiny yet robust component, your bike would go nowhere fast. This signal sends information about the engine position and the right time to produce a spark. 1991 Yamaha Phazer II480. #3. Testing procedure should be the same for those year CDI's. Troubleshooting tips: Mercury Mariner switchbox problems, Mercury switch box replacement, troubleshoot Mariner switchboxes, Mercury Mariner ignition components. at Polaris. Tested the CDI with multimeter and found Black (+) to GY/WH (-) 500K ohms vice 33K ohms specified in the shop manual. 1998 Polaris Indy 500:thumbsup: 1996 Yamaha Vmax 600. The multimeter reading you get will not be a steady reading. LK. Switch Boxes. Good replacements are about $120. While testing and probing at the end of the cable, it is recommended to try cranking your bike for a few seconds. #2 · Oct 8, 2009. Apr 7, 2021 · #cdi #howtotest #troobleshoot Aug 1, 2016 · Checked the inductive pickup, grounds, plug wire, new coil, ohmed out white wire from mag connector and connector in relay box. This setting allows you to measure the resistance of a circuit. Jun 3, 2013 · So far, I've changed the plug, checked plug wire, checked all wiring for damage, disconnected black wire from cdi box to check for faulty kill switch, and took a few measurements with a multimeter. com/2021/02/testing-motorcycle-cdi-units. <br /> or you can use the test wheel and check out the fuel system and CDI inputs and outputs when its failed. After clamping your multimeter you have to test yellow and pink wires in turn. If it doesn't move and should, use the WD-40. If you have the time an patience, I can instruct you how to test the CDI unit. 866. Clip off the ring terminals from the white wire on the ignition side (the side with 4 terminals), and the brown, white and black trigger wires. Electrical problems can be hard to diagnose and we will give yo Oct 30, 2017 · If your ATV doesn't have spark it could be the CDI box connection. 4832 CUSTOMER SERVICE 1. CDI box testing procedure. The CDI is usually connected with insulated leads and pin connectors. Mar 21, 2008 · The only way to "test" it to see if it's bad is to replace with a known good one (that comes right from the manual). and yes the TWO major things yamaha should of done from factory was a performance tune cdi and a sheave - stock , best thing to do to a rhino. Mar 4, 2024 · We will conduct the following 2 types of tests on a CDI box with a multimeter: A hot (resistance at stator end) test by keeping the CDI box connected. CDI sta Mar 6, 2017 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Jan 5, 2009 · Posted January 5, 2009. Location. My machine starts and idles great and seems to have good spark but bogs bad Description. Aug 5, 2021 · Disconnect the black wire at the CDI box and see if it will start. You can take your multimeter and set it to DC volts and take one lead and attach to the ground and the other test lead to either the Source or Pulsed. Sohere is the simple test. Office: (912)283-8159 Mobile: (912) 670-1915. Step 4: Testing the CDI Box. Dec 4, 2015 · anyone know how to test a cdi box on my 2000 Kawasaki bayou 300 thanks . The trigger tells the box to fire, the box determines when to fire which coil with the capacitors, and zap goes the spark plug, ad infinitum. If one is not working other will work. Turn off ignionDOSCONNECT BATTERY2. Additionally, the tester can be used to test Mercury Outboard EFI injectors. You may leave the rubber CDI box suspension connected to the bike’s Equipment You’ll need to Test CDI Box with a Multimeter. rollingwrenchdenver. Feb 12, 2007 · The CDI harness should have at leat 3 wires going into it. I will add more details lat Oct 8, 2009 · 3787 posts · Joined 2007. htmlhttps The CDI box protects the ignition coil and other electronic components from damage caused by high voltage and current. Next, touch the red multimeter lead to the positive terminal on the battery, and touch the black lead to the black/negative terminal on the battery. Other ignitions can be tested using test Dec 15, 2011 · Ignition failures almost always boil down to a problem in the stator. Step two. ( plumberwl5) This is one way to bench test a switch box and you also can do this on the outboard motor Oct 21, 2022 · To test your CDI box, you will need a multimeter. (put one on my '03 and man it was a slightly different machine) Don:thumbsup: Sep 4, 2023 · The 6 wires of a CDI connect the power, pickup trigger, ground, and ignition coil. 1986 Yamaha SRV 540*Freebee*. Trigger coil White & white/red = 97 ohms / spec = 97 ohms Exciter Coils Red & green = 1. I tested my CDI while diagnosing an issue where the engine won't take any throttle (dies) and also dies all by itself at idle after about a minute, maybe less. Hello everyone, new to this forum. Nov 5, 2011 · the best cdi for the 660 is a dynatek , ebay for around 150ish. Why is the CDI box essential? Conclusion. Compare. Look for any loose or disconnected wires. &#56256;&#56452;NOTE: Prior to replacing the CDI unit to assure the CDI unit is defective, it is advisable to perform a CDI peak voltage test (see Ignition Coil in this section) and/or perform a continuity test of the wiring harness from the CDI connector to the CDI unit. If I have helped you,please click accept. Quote. It’s truly a behind-the-scenes hero for your engine. If the multimeter reads 12 volts or higher, the battery is fine. You can actually have a CDI tested, you have to take it to your local yamaha shop and have it sent back to the manufacturer, they can test them. There are 2 coils in the stator that feed information to the CDI. Strip Mar 19, 2022 · Here are different method for how to test the CDI box with a multimeter. One source is a low voltage around 12 Oct 13, 2009 · How do you test the cdi box to see if it is still good. Jan 7, 2024 · Step 1: Check the Wiring. 9k ohms. The CDI box then modifies the ignition timing Golf cart repair vlog Sep 5, 2016 · A Yamaha service manual for your motor will have the specs and how to test. ★★★★★. Know the spark generation sequence including signal trigger, amplification, energy storage and discharge. The first step is to inspect the wiring connected to the CDI box. Feb 1, 2020 · Here in this video you would learn how to test a bike or motorcycle cdi unit using a multi meter. Only way to test the CDI is to trade them out or with electronics test equipment that electrical engineers would have (like me) - not dealers or service techs. Wire 1 - Source/Charge Voltage. So, grab your multimeter and set it to continuity mode by turning the knob. Ensure that all connections are secure and free from corrosion. Use a multimeter to test trigger, power, ground, and coil connections. To create a spark, The CDI is equipped with a Condenser to store the energy before it is released to the coil. Disconnecting this from the motorcycle should not be too difficult. Then use a multimeter to check the primary and secondary resistance values per your repair manual specs. Testing a CDI igniter unit Bayou 300C 4x4 - Kawasaki Motorcycle Forums after so long trying to find out what went bad on my cart I finely borrowed a CDI unit from a friend who has a cart just like mine, and it started right up. Now connect the meter to white and blue wires and check resistance, it should be roughly between 75 to 86 ohms. Clicking accept is the only way I am paid. Set your multimeter to the ohms setting. Optimal reading: 6. The process involves three steps which are: Remove the CDI box from the bike. Apr 18, 2006 · Re: How do you test the CDI box? you can put a box on it for 350 dollars or so. Feb 28, 2021 · Testing motorbike ecu, icu, computer ignition (keeway superlight 125)https://motorcycleelectrics. sales, parts, service, and repair. T. May 30, 2019 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Oct 17, 2012 · Here I was trying to figure out how to test the cdi box when it dawned on me. Thank you, guys. Find the connector with blue and white wire coming from stator to CDI box. Rick's Motorsport Electrics, Inc offers both OEM style and Hot Shot Series aftermarket replacement CDI boxes. 98. Set the multimeter to 2k Ohms. having a problem and just wanted to test it and see if it is causing the problem. 0ohms resistance. <br /> does your C85 have the CDI with a movable timer in it or does it have a movable trigger assy under the Oct 2, 2012 · CDI unit to verify the suspected one is defective. Still no spark. ign. Oct 8, 2022 · To test the CDI box, you will need a multimeter. You have to press the probe that is at the cable’s end. Locate the CDI box. Mar 15, 2020 · Learn how to test a CDI switchbox on a Mercury outboard motor with Dr. to/2HUltav1. They should be on the front side of the CDI box, and they can be in different sizes. First, disconnect the ground wire from the battery. Wire 3 - Ground. Hello, I recently purchased a 1986 XL600R with about 8,000 miles. You are fortunate you did not blow one Jul 2, 2016 · 1,098. any 02 - 05 can be swapped with each other. Louisville, KY. It will start one 1 wire. The shop manual for my 02 shows how to test with a volt Jun 8, 2022 · Test 2 ( Hot test) First of all switch, your digital multimeter to resistance mode set it at 2k ohm. CDI unists are very common now a days on motorcyle. If it only works on 1 wire than its probably bad. You don't test the box, you test whats coming in. Verify ignition coil – First check all coil wiring. Mercury Mariner ignition module diagrams, switch box replacement parts, and repair manuals. 99 MSRP: $33. 3371 www. Oct 21, 2022 · To test your CDI box, you will need a multimeter. 2. It is usually found near the engine or under the seat of the vehicle. be/juhri_NxQcQIn this video I go through testing the CDI ignition on and outboard motor to diag Dec 21, 2023 · Here’s the real kicker: The CDI box, short for Capacitor Discharge Ignition, is responsible for setting the spark’s timing and intensity to the spark plug. #2 · Nov 18, 2015. 00. At $350 a pop, a guy sure would think you could test it first. The only real way to test your CDI box is to swap it out with another known good unit from the same year/make/model. pulser 2 w/b-w/g. After that connect one lead of the meter to white wire and other to the ground at the same time and check result on screen, it should Jul 31, 2018 · Replacement AC cdi box:https://www. com/@MrSkeletorG?sub_confirmation=1 May 27, 2014 · Troubleshooting the Ignition Coil: Check for 0. It takes a pulse of voltage passing through the CDI box to fire up the . Trace each wire in the wiring diagram during troubleshooting. The diagnostics outlined in this thread presume that you are testing from inside the electrical box. May 9, 2012 · Wiring a CDI and the differance between AC/DC units. Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!! You only need two tools in life -- WD-40 and duct tape. ( latebird) FPD218, you should be on the Polaris design/build consult team. You will learn and well understand the cdi system after watching this vi Jun 12, 2019 · 1999 Honda Fourtrax 300 has No SparkCDI Box -https://amzn. Mar 7, 2005 · Originally posted by jamieZ @Mar 7 2005, 10:40 AM. Apr 30, 2022 · Bayou 220 CDI testing. Test the A/C voltage from the excited of the stator2. In this video I will explain motorcycle or motor bike cdi system in complete detail. voltage at battery is no more than 14 at idle; so After removing the CDI box from the motorbike, you should find two spots to connect the multimeter probes. Mar 15, 2021 · Capacitor discharge ignition (CDI) or thyristor ignition is a type of automotive electronic ignition system which is widely used in outboard motors, motorcyc Jul 2, 2023 · Disconnect the CDI unit from the wiring harness. coil and cdi pickup all good except ign. Set your multimeter to the “Ohms” setting. T. In this article, we shall be discussing how to test a CDI box with a multimeter. lol thats why you cant test it ($350 bucks !!!!!) lol. The best way to tell if the coil is bad is to perform steps the steps above. Test the primary coil by connecting the multimeter’s positive lead to the CDI box’s primary terminal and the negative lead to a suitable ground. Aug 12, 2023 · Once disconnecting the box, give the CDI box 30 to 60 minutes to let the internal capacitors discharge. The tests will see if the each CDI increases top speed and acceler Testing CDI box with a multimeter (3 Step-Guide) Step 1 -Remove CDI box from motorbike. Stator test: blue wire to black wire 320-380 ohms. CDI test: red multimeter probe in black CDI socket; black probe to end of spark plug wire or to the output screw in the CDI. Nov 3, 2011 · RACE TECH : I hope you have found my answer helpful. He told me that he replaced the CDI and the bike would still not start. Feb 24, 2016 · How to test a scooter capacitor discharge ignition (CDI) unithttps://youtube. Reconnect the red wire (that went to the old CD) to the rectifier battery terminal or tape off as it is no longer needed. Lawn Motorsports. PURE GENIUS - we need to get him a job in the engineering dept. 1. blogspot. Pull the connector off the TPS (Throttle position sensor) (Its under the seat just above carb) and try cranking. com/products/dc-cdi-boxP Apr 5, 2012 · We Test and Repair all Porsche CDI Boxes3 Pin: 02272000016 Pin: 02273000048 Pin: 02273000038 Pin: 0227100008 (Porsche 928)Common Problems on Bad CD Boxes: Dec 1, 2021 · Other than that you need to build a test stand and use an oscilloscope or peak voltage meter to actually control and observe the inputs and outputs. Sanny,do you have a owners manual or a shop manual. Referring to the above capacitor discharge ignition circuit diagram, we see a simple configuration consisting of a few diodes, resistors, a SCR and a single high voltage capacitor. William Lawn. yx ev ky us vh rx hd fk zd ef