Alternator whine from amp. I've been at it for a month.

Alternator whine from amp Things I've tried: 1. Alternator whine is the granddaddy of car stereo noise. Pioneer mvhs320bt head unit. . I wanted to keep the chimes and nav and such so I tapped the low level output from the radio and kept the center channel. Logged No longer active here - try the IRC channel if you just Alternator whine, also known as engine whine or ground loop noise, is a common issue that many car owners experience when listening to music through their car speakers. In the following paragraphs I will outline each of these noises and the symptoms associated with them as well as some possible causes and remedies. Lastly, the Crutchfield link that imprl59 posted is pretty damn good. 2, switch out EQs with clarion eqs746 (still get whine) It is a cost-effective way to eradicate that annoying alternator whine. This is just my assumption shoot. If I put my old amp back in place and the whine stops, does this mean the new amp is bad, or does it just mean the new amp is exposing the ground loop that’s already The final fix was to replace the amp that was causing the whine. I had my sub amp grounded on the same point, and i took out my sub when I put in my 4ch amp and Whine goes away when RCAs unplugged at amp Reply reply More replies. I was able to get the grounds to where the whine would only Remote, 18 gauge from head unit to amp 1, amp 1 to amp 2 My issues are when the amps are powered there is a static/buzz noise. These RCA cables are run alongside the front channel RCA cables, and on the opposite side from the power cable. It occurs when the electrical system of a car, primarily the alternator, generates interference that is transmitted through the vehicle’s wiring and picked up by the audio system. Even when the head unit isn't powered on and only the amps are, there's static. Alternator whine is caused by a difference in electrical potential (voltage) between two points. If you use the wrong adapter and don't bypass the factory amplifier, you'll get a terrible whining noise from the alternator coming thru the speakers. What is Alternator Noise in Speakers? Alternator noise in speakers, often referred to as ‘alternator whine’ or ‘speaker whine,’ is a high-pitched, irritating noise that infiltrates your car’s audio system. I've dealt with alternator whine before, but never had it just suddenly start after replacing one amp. Did you look at this from their FAQ? " There is a noise coming from my alternator that sounds like a whine, whistle or squeal. I have recently read that if you are getting alternator whine Speaker Whine From Alternators . My symptoms are whine when car is running, starts immediately after ignition, whine pitch rises and falls with engine RPMs. I tried 2 different headunits, no Buy Car Power Filter EMI Noise Ground Loop Isolator Suppressor for Auto Stereo Audio Radio Stereos Amplifier Amp Speaker Equalizer Subwoofer 12V: Noise Filters - Amazon. 3. Alternator whine, and some other types of noise, can, and often do, require some tedious and step by step troubleshooting. Maybe it had something to do with the ground wiring. From the Crossover the RCAS go to the FRONT AMP, and So I've been trying to figure out wtf is causing this nasty whine Im getting. I then switched out the four channel amp for an mtx 282 and suddenly I had whine. Please wait while your request is being verified Why my friend BMWMPWR doesn't have alternator whine noise even though he has aftermarket amps and aftermarket subwoofers already installed and DSP amp gone? = He still has his M-subs installed. In our Honda Odyssey I spent much time tracing down that sudden alternator whine, until the alternator failed My amp has a bad case of alternator whine. If it were a problem with the amp ground, gain structure, or amp itself the issue would persist with the vehicle on but signal taken away. If the whine is entering through the power supply you might be able to filter it. I bought a 140 amp alternator from Power Master. 6 amp. 00:55 - Factory Amp 04:15 - Summary of My Attempts 05:35 - Noise Filter & Ferrite Core Magnet Fix🎥 Rem A disparity in voltage (electrical potential) between two connectors causes an alternator whine. I believe the noise comes from the stereo/speakers. Price, 🛒 Product link(s) at bottom of video description. This high-quality part is sealed for long-life. My Suburban is stock with no system or extra lights, and the alternators were 160 amp which the RPO calls for. Before the A4, I had a Sundown 125. (OEM Nav, Balanced outs to a 250/1 and 300/4, DLS components up front) Not sure if this could be your problem, but I had one of my passive crossovers inside of the center console near the OEM amp. OP. Unplugging rca cables at the amp for front and rear speakers removes the whine. Took it to PowerMaster for rebuild. factory amp. eq is powered through the symbilink cables. Have swapped a few other amps in my car that played without any noise, so the amp is the culprit. Jump to Latest 28K views 36 replies 19 participants last post by TintingBricks Oct 16, 2023. One common cause of speaker whine comes from the vehicle's alternator. It is a cost-effective way to eradicate that annoying alternator whine. The capacitor can be soldered across the I recently had a 4 channel amp installed, and along with it came some pretty bad alternator whine. Please help me! I am fairly sure its alternator whine. Jump to Latest I'm sure you've heard this issue a million times before, but here's my iteration. N. When inputs are swapped, the noise stays with the channel. Grounds MUST be to bare metal - failure to do so results in unbearable amounts of alternator whine. com FREE DELIVERY possible on eligible purchases If your old car stereo did not have an alternator whine, and now it does, and you’re sure it the new stereo was installed Radios: Alternator noise can be heard in radio and stereo equipment as a high-pitched whine that increases as the engine speed increases. com) or an alternator filter can be installed on the alternator to suppress the interference. When RCA are disconnected, no noise. Joined Nov 9, 2015 Posts 413 Dreaded Alternator Whine in car stereo - Page 1. David Navone and Richard Clark from Autosound 2000 in the USA developed the following step-by-step instructions. Identify the underlying cause of the whine to silence it for good. I've been at it for a month. Would upgrading When I disconnect RCAs from channel 5 and 6, the whine stops completely. I bought one from TS when they had a one day sale for a great price. Switched the RCA inputs with one of the front components, and the whine stayed with the center speaker. Power wire on left side of vehicle, RCAs on right. Dealing with a little bit of an alternator whine issue on my 2007 Porsche Cayman. Sounds easy, but it's really not. At any rate the shop said their computer showed two different amp rated versions of the alternator and that they wouldn't be able to tell which I needed until they pulled out the old one. PAC's ANS-80 noise filter installs on your alternator output lead to suppress alternator whine (a noise that varies in pitch with engine RPM). Equipment Headunit: Kenwood dpx500bt Equalizer: Clarion eqs746 RCA: KnuKonceptz Bassik 2 Channel 5 But I put ”GM AC Delco alternator whine” in Google, and it turns up a lot of references to the problem. Sometimes the noise goes away Amp is mounted to the backside of the bow walkthrough wall, behind the lift up seat 4 Alpine in boat speakers mounted in stock locations, two on port, two on starboard side. Tried another RCA from DSP to channels 5 and 6, whine is there. First issue: My problem is alternator whine when motor running, but not when motor off in acc. 2201 posts · Joined 2009 Add to quote; Only show this user #1 · Feb 20, 2012 [2004 VR, HU is a JVC KW-AVX840, using an eBay DIN to RCA cable for factory amp. But even with the whole stereo disconnected it still whines with all other electronics on. With the car off I have alternator whine coming from my speakers, and couldn't find a solution to it yet. Connecting my phone via Y cable to the amp eliminates the whine. 9 out of 5 stars. The solution is to ensure that all the grounds for your audio components combine at a single point on the chassis or battery/alternator. When amplifier RCAs are unplugged at the AMP the whine goes Alternator Whine Description I have very very slight whine when my front channel amp is connected. One time my alternator whine was simply from an amp that went bad. RCAs connected, one speaker at a time connected (this isolates bad amp channels and/or pinched speaker cables, which often produce noises that sound like bad whine) 3) try an ipod or other battery-powered player directly into the amp This is probably posted somewhere a while back but i’m new to the site and dont really know how to navigate it well. If you can hear Alternator whine is the granddaddy of car stereo noise. The system does sound amazing besides I am getting alternator whine from the new (except some minor alternator whine) I have a 4 channel amp and it too was noise free. It's still functioning, just beginning to whine. Thanks for the hidden gem of a thread, OP. When I unplug the rca the whine is gone and none of the other speakers are affected. When I pull the RCA's from the amp the static goes to a bare minimum so I assume that's from the amp power and unavoidable. 4T Amp power wire 4 awg from battery to amp in rear along left side of car. I recently went from a passive to active system and am now using all 4 channels on my DD A4. When I had alternator whine my alternator was going bad, and (more importantly) couldn't handle the load placed on it (vehicle load + car audio system). Whining gets was worse when revving the engine. If you take the car to get fixed up by a professional, If it was just the amp, you'll still hear the whine with them in. Alternator whine happens whether the head unit is on or off when RPMs get high. It's a 40 watts per channel 8 channel dsp/amp. Should I just ground it to the battery? My power cable is running through a rubber grommet under front passenger seat and along the top of the frame and up into the engine compartment. Alternator whine will be heard as a high pitched whine that will rise and fall with the engine speed. Along with the whine, I do get a hiss, and even some spark plug ticking. My main 4ch Alpine amp, ~1year old, has been giving me fits with an intermittent buzzing and sometimes alternator whine out of channel 2. Its driving me nuts. 100+ bought in past month. I've tried 4 different ground points inside the cab. Stereo whine can be prompted by an amp, the head unit, and intermediary pieces like equalizers and crossovers. Alternator whine is noise injection, not a ground loop. I replaced all the speakers and added a 4 channel amp, mono amp and a sub. Most of the time this is caused by When we upgraded from a 60 amp alternator (which had a reputation for having the properly adjusted belt whipping in a frenzy at idle) driven by 2 V belts to a 220 amp serpentine belt driven alternator, they included an Alternator Whine . If you have alternator whine in a car audio system and want to get rid of it, there is only one sure-fire way to do it. Even after cleaning it up, there is little, if any difference. I have a manual 98 xj with led lights, 4 channel amp to 4 speakers, light bar, aftermarket gauges, etc. Hopefully third time's a charm lol. Alternator whine is caused by AC ripple in the DC line and shows up as noise, if you set your multimeter to AC and place it between the alternator + and ground it will probably read around 700 millivolts (less than 1 volt) of AC ripple, the bridge rectifier Hello all. Im going to order another one. Rcas run along right side of car. There are several possible causes of alternator whine and troubleshooting is the best way to isolate it. Alternator Whine To me, alternator whine is the most annoying form of noise. 5-microfarad, 50- to 100-volt, 40-amp coaxial capacitor (www. My amps are located under the rear parcel shelf, where they share a common GND screw. I am picking up bad alternator whine. I swapped that rca cable with the next channel over to see if it was the amp channle and the whine came back. The front and rear speaker were replaced and added to new amp. 4 way wire for Amp, grounded directly to sheet metal using all stainless steel parts: bolt, washers, ground washer, and nut. The fact that it doesn't points to the problem being in the signal itself. Without physically examining your setup, I will try to give you some basic things to check. If it goes away when you take signal away the the issue is upstream from the amp. This annoying high-pitched sound can be Long story short, I have a 2014 Grand Cherokee Laredo with the 6 speaker system. If the noise changes in pitch or intensity when the engine RPM changes, it's probably some type of engine noise, and interference from the alternator output is Alternator whine. Features: 2-Pack 12-Volt Noise Filters 10 Amp Output Current Eliminates engine noise/alternator whine Great for Car Audio, Marine, CB Radio and other 12V Applications In-line design provides effortless installation without removing existing wiring Hello all. on A pillars with mids behind on the dash = easy to miss a positive change if only disconnecting signal to tweeter amp, etc I'm living a nightmare trying to chase down alternator whine in my system. position. Basically any component that touches the low level music signal (from Alternator whine, amp swizzle, ignition noise, turn on thump, and system noise are just a few examples that come to mind. (except some minor alternator whine) I decided to try a different 4 channel and after I installed it with no other changes, I now have a weird noise that I had originally but thought I got rid of by changing grounds and moving wires around. 9 out of 5 stars 551 1 offer from $1469 $ 14 69 I recently ran new wire from my doors to my door amp and I started getting an alternator whine. It is usually remedied by locating the source of the The grounding for my amp is clean and secure to a thick piece of metal in the floorboard, the wire is 0 gauge and is only 4 inches. 1-4 are still connected and active. I'm using the same ground as the fuel pump. I only just remember it starting to whine since the new amp was put in. Bare metal means exactly that - it doesn't mean paint, it doesn't mean primer, it means bare metal. My system with a JL audio 300/2 & JBL MS-8 was completly silent. or when people install a deck and amp and run the speaker wires or rca cables on the same side as the amp power Super common reason for alt noise that doesnt go away no matter what you try. I have a 2004 standard cab silverado and have recently installed a sundown 1000. I would HATE to find out it was something wrong with the brand new Polk Audio amp! I installed a JBL DSP4086. Just incomplete and I have bad alternator whine from just the center speaker. 1 sub and two front speakers. At least for me moving the preamp lines to the driver’s side worked. After installing my 4 ch amp, I've been getting alternator whine(I think) in my speakers. So far I have tried moving grounds from around the cabin to the battery. power wires and signal wires ran opposite of each other, and i still get this alternator whine. This produced no alternator whine. No whine with nothing on I have front speaker-level output wires from head unit connected to harness going to factory amp, running the original speakers in the dash, and i still have the original sub in middle of rear deck hooked up to orig. A ground loop isolator is a band-aid and doesn't fix the underlying issue. Check ground sources, preferably only ground the audio units to one round and dont share it with sources like the headlights as those are known to cause a noise. It's usually caused by a ground connection that is less than ideal. I unhooked it from the fuse box so the car was just running off the battery no whine at all gonna - Tried muting plugs in the amp this did get rid of the whine, and let me know that most likely it was coming from upstream of the amp, so it was helpful but I already more or less knew that, since the GLI got rid of the noise of course the whine was still there once I plugged the signal RCA's back in, so onward Probably not; you probably need a noise filter for the power and/or speaker cables. 0 + AN25Ti on the dash, C6cx in the middle, 830667 in the doors, SI Then, I had alternator whine in addition when the car was running :/ Oh yeah, ignore anyone that suggests ground-loop isolators. 04VR has alternator whine in factory amp audio. I'm running a Sony xav-ax5000 head unit rca out to a Zapco DSP Z8 which feeds a JL Audio XD800/8. Also it seems to be Keep your signal cables as short as necessary to reach the amp Buy the best quality RCA's you can afford to minimize noise intrusion into the signal - here you get what you pay for What you have is alternator whine and is almost 100% of the time install related. Ran new wire from the amp, outside the car to the speaker sitting on the seat, still whines. EEVblog Electronics Community Forum. I just added a 5 channel Blaupunkt amp, and now I've got the whine. 150 amp outputs to power all the electronics. i don’t know what the problem could be because i had a Just got my car back from having an amp and speakers installed and I have a really bad alternator whine in the system now, gets progressively louder as I accelerate. The diameter of the overdrive pulley will be less than your factory pulley meaning I'm just stumped here. 4 4ch amp, i’m getting a huge amount of alternator whine and high pitched white noise from my tweeters. MichaelSE 2010 2500. Using 3 and 4 chans on the 125. The voltage difference could be caused by an incorrectly grounded stereo, radio, or alternator part. Well alternator whine in this car can also happen from running the preamp outputs along the pass side of the car where the power cable is running from front to the rear battery. 1. Immediately after installing I noticed not only the alternator whine coming through the speakers, (and not when its on zero volume, but as soon as it is on). Speaker static is noticeable if a song isn't playing. I have the alternator whine issue. Is like a high pitched noise and gets louder as you accelerate. First, keep in mind that the metal chassis of the car is one big ground. I have tried grounding all audio related devices to the same ground around the cabin and to the Engine noise and alternator whine. The alternator whine is too much. Jensen 4 channel amp. I moved the ground to multiple locations, added a ground An aftermarket head unit, a 1000 watt amp for the subs, a 300 watt amp for the components, and had the in this thread in this sub-forum in the entire site. Alternator whine is almost always caused by a ground loop. It is pretty loud, and very annoying. If I am a betting man, I'll bet BMWMPWR will have alternator whine noise appear once he removes his M-subs. If it does, your problem is in the amp, the wiring, or the alternator itself (yes, it can be a bad I'm assuming you tapped the balanced head unit output before the OEM amp. TEST 2 - install same door speaker amp without hiding wires. If this is the case, you need to make sure proper wire terminations. Features: 10 Amp Output Current Eliminates engine noise/alternator whine Great for Car Audio, Marine, CB Radio and other 12V Applications In-line design Alternator Whine - cases, causes &amp; cures Just dealt with this in my car. There is what seems to be an alternator induced whine that goes up with rpms. Basically any component that touches the low level music signal (from The whining is caused by a ground loop somewhere. (American International's S15A (15-amp, 250-watt) or S25A (25-amp, 350-watt) filters, for example). alternator whine issue coming Newmar 150-A Alternator Line Noise Filter 150 Amp Attenuates conducted line noise generated by alternators, ignition systems and motors. I am still getting a pop out of the speakers when everything turns on. As the RPMs of your vehicle rise, the volume of the alternator whine can increase as well. This pulley is designed to enhance low RPM charging for maximum output. I narrowed it down to one speaker. Helix M Four DSP, CDT Unity 8. (If I unplug from Finally I have isolated the source of the alternator whine. The only "good" thing about this is I don't hear it when I turn up the volume a little, only if the volume is down or it's between songs. Originally I had my comps bridged off a four channel amp running no subs and I had no audible whine. 541. Verify that all levels are set properly. Now I am working on rectifying the amp. I installed a new amp (Phoenix Gold Ryval v754) and speakers (kicker KS 6x9s in the rear, ES 6x9s in the front) and ever since I got everything installed, there's been an awful alternator noise coming through. Typical alternator whine is electrical noise, not mechanical. For those of you who are lucky enough never to have been exposed to alternator whine, it sounds like a miniature siren that rises in pitch with Alternator whine is caused by a difference in electrical potential (voltage) between two points. But when I add my tweets and rear channel amp into the mix the whine becomes outrageous. This interference takes the form of popping or static on radios or audio gear and can render a vehicle or radio or other electronic equipment useless. What can I do to get rid of this? I've checked the ground for the amp and it should be fine. Alternator whine, amp swizzle, ignition noise, turn on thump, and system noise are just a few examples that come to mind. I am using the head unit's built-in amp to power the door speakers and the central channel speaker. With the head unit powered on and playing music I picked up the RCAs and moved them along side the power wire. If engine noise is your culprit, you may hear a whining or clicking sound. 1) and a pioneer amp for the dash speakers (GMD1004). The noise is louder with higher rpm. I understand it's called alternator whine. The whine is caused by the alternator. 4 I would get a whine, now with The next day the whine was back - don't know why or how! But yesterday I was testing and it was gone. Before we begin, however, lets review the TEN COMMANDMENTS of noise free I am running active from a MiniDSP 2x4 to a Sound Ordnance M25-4 amp. I'll bet you $10 your alternator whine goes away or gets a whole bunch better. When speaker wires are swapped, the noise stays with the channel. 4) and subs (cxa 800. The 10" woofer is powered by a separate amp using 18ft RCA cables going from the head unit, under the interior, to the trunk, where the woofer's power amp lives. Conext Link RCA Stereo 2 Channel Ground Loop Isolator Signal Noise Filter Suppressor Reducer Alternator for Car Audio Home Stereo（13600） Car Power Filter EMI Noise Ground Loop Isolator Suppressor for Auto Stereo Audio Radio Stereos Amplifier Amp Speaker Equalizer Subwoofer 12V. No noise at all if the engine is not running. jameco. Now there seems to be no whine, using amplifier Pioneer GM-DX874 I tried removing the NewMar alternator filter when there was no whine, and the whine didn't come back. A Free & Open Forum For Electronics Enthusiasts & Professionals since it's audible noise and an audio amp, it had better), so there's a good chance that it's originating in the input side. The most common and the most annoying. Either I've got what I guess is alternator whine after installing my third amp into my BMW 545i. It could be inside the headunit, inside one amp or the other, a pinched wire somewhere throughout the car, a loose ground anywhere in the system, magnetic interference from a power source being too close to a low signal wire, anything. If done properly, there is no need to run grounding wires I had to put a piece of ensolite between the amp and the body, and use nylon screws in to the rivnut to get rid of the whine. Sometimes when the amp is turned up too high it creates this. The main culprits are the amp, the head unit and any intermediate components such as crossovers and equalizers. I have a 2005 TSX and had alternator whine after doing the same thing. I removed it from the dash, still a whine. My best lead is that the noise stops if I unplug all the RCA-s from the amp. I've tried a noise isolator on the head unit I installed an aftermarket amp in a 2016 terrain Denali with the pioneer system. If you can't accomplish that for some reason, you can try 3 symbilink cables to zapco 650. A 0. Turned out the speaker wires (or inline passove crossover within) were too close to my body contol module. Replaced it with the other Kappa, still whines. Alternator whine can also be reduced by adjusting the line level input on the amp. [SIZE=-1] Our high output alternators are equipped with an overdrive pulley. My problem was I had a 100 amp alternator and I was running it at 80 to 90% all the time. clean all grounding points with a file, tighten all. My GND wires are all less than 18 Yeah everything literally looks showroom new and clean. It would get louder/higher pitched when I accelerated but would be about the same volume regardless of the new radio's volume. n23 Discussion starter. They agreed that the noise I was getting was probably alternator whine, not ground loop and sold me the N-25 I am really confused and was hoping one of you could give me some clues as to what is causing my alternator whine. Dec 28, 2017 #6 OP . Factory head unit to AC-LDG to MiniDSP CDSP to Kicker amps for doors (cxa 360. The following steps will aid you in locating and correcting a ground loop problem. Else, lower voltage of <12V also generate whine for some amps. What parts should I look for / replace to get rid of the annoying noise in the amp ? Please help ! edit - the amp is a Tru C7. Any idea if having a ground in common with the fuel pump would be the problem? 96 If you are using a Pioneer HU, disconnect the RCAs only to the amp and see does the whine persist. Sometimes your amps just arent good with each other! The strange thing is the whine became apparent when I switched from one amp to another w/o changing anything else. Both amps (for sub and speakers) grounded at the same chassis ground. Get a wire brush attachment for your drill and scrub that area down. Tower amp will make alternator whine with or without RCAs plugged in (suggesting whine is not being caused by EQ) When engine IS NOT running, tower speakers will make noise if blower is turned on. Most of the time this I had bad alternator noise/whine from one tweeter, even when the tweeter was disconnected from the amp. I bet if you google Bosch alternator filter(s), they probably have the spec's for your vehicle when it is only 1 amp I cant hear the whine. So alternator whine is out Noise comes from all speakers, almost equally, slightly worse on tower speakers Noise exists as soon as power is on to the head unit My setup uses an Android head unit as well. I ahv moved my ground all over the place--and have determined that it is 1) the alternator has some weird ground issue--cant pinpointit yet) and second the stock HU ground are not grounded to the chasis casuigna ground loop problem. Noise introduced through the power and ground wires connected to your receiver is called engine noise or alternator whine. The 140 amp alternator was an option that is included with certain packages like freedom Drive II. Bypass the factory amp and create your own little wiring harness like the OP did and it'll solve all your issues. Previously (before I had the 2x4) there was a whine issue but I believed it to be resolved. I got around to replacing the stereo and noticed a terrible alternator whine that wouldn't go away. When I put it in place of the problem amp, I didn't change anything else and the whine is gone. They told me that I was running it too hard. I tried using ground loop isolators but those only work for about an hour. This itroduced alternator whine. As well as alternator whine when car is on. I'm getting a persistent alternator whine due most likely to the fact that the RCAs between head unit We would like to show you a description here but the site won’t allow us. I have always had an issue with alternator whine and interference in the speakers. Last time I dealt with this in a big way (many, many years ago) IIRC I had to do three main things: add a noise filter to the power lead, add noise filters (ferrite chokes) to the speaker lines, and move the wire harness or radio When amplifier RCAs are unplugged at the AMP the whine goes away, When powered subwoofer power and ground is unplugged the whine goes away Amp gains are set med-low Trouble Shooting So Far: - replaced shielded Kicker RCAs with current twisted pair (no change) - replaced cheap CTsounds amp with current JL XD amp (no change) This is the only correct way to do it. Two 10-gauge cables connect to your vehicle's Car Power Filter EMI Noise Ground Loop Isolator Suppressor for Auto Stereo Audio Radio Stereos Amplifier Amp Speaker Equalizer Subwoofer 12V 3. TheLimeyCanuck • Generally alternator whine is caused by a ground loop. Narrowed it down to the actually alternator it self. 4 and had the same issues. I've narrowed it down to the RCA's connected to the rear channels on the amp. Using high level inputs on a Hertz HDP4 amp so it's not an RCA issue. We got rid of the alternator Whine by grounding to the chassis as well as the battery. 1 goes directly to the SUB AMP, and two go to the Crossover. Is Alternator whine in your car stereo can be an elusive problem. But if it enters through the wiring to the AUX jack you may be out of luck. vlka dblbm ymodyx bzyhnbb alsbv vsiiw xwjhtrgh auyttdq mvaeed cgtr cpbgb tldwm yhycd gcruk vgvhliy