Head unit draining battery toyota

Head unit draining battery toyota. You're basically using google maps constantly while driving with those aftermarket solutions. Car battery drain with after market stereo. The cheapest + best fix (~ $300) contains 3 parts: 1- Remove your DCM fuse. #5. #1 · Jan 4, 2009. The most common reason for this battery drain problem is when you were unable to turn the car off correctly. For instance, you have the interior light switched on, or the headlights were turned on and you . Best Overall. United Radio is the only repair / exchange facility that seems to be dealing with these. Mar 9, 2017 · Parasitic Drain from Stereo. Sep 2, 2021 · I have a 2002 non facelift w203 C180 kompresor. My alternator seems to be acting strange. 5 amp fuse in the top of the second jumper. If you have a Harbor Freight nearby, they have a cheap multimeter (less than $5, but if you can find a coupon in the Sunday paper, it goes for $1. Checking with Toyota dealer, came to know that it needs DCM update and charge me $380. There’s 100% a parasitic drain on your battery, and with 99% certainty I can tell you EXACTLY what is causing it, even though apparently Subaru can’t/won’t. Leave the lower fuse spot on the jumper empty. Alarm power door locks remote start interior lights and key fob and trunk release. Nov 5, 2022 · In the first step, a siphon hand pump is used to fill the tank with fuel before draining it into the storage can. Turn off unnecessary features like the display or lights when not in use to conserve battery power. Of course, Some electronics are a drain on the battery at ALL times. 05. Something keeps draining the battery after it sits for a day or so. These should have been covered by toyota Just for update, had to pay too much within 4 years. 99 1"(25mm) Automotive Trim Molding Glossy Black 6. 5Ft Universal Car Side Body Molding(Self Adhesive) for All Vehicles Exterior Interior Door Window Bumper Sep 6, 2020 · 2018 Toyota Avalon XLE Premium (V6), Blizzard Pearl (73,000 mi) Audio System: FiiO M11 Plus LTD DAP via S/PDIF (bypass stock head unit) to Audison AP F8. Posted August 25, 2013. Genuine Parts. 2018 Outback head unit “rebooting” even when car is off, draining battery charge. Consider installing a battery-saver device to prevent the battery from draining when the car is not in use. You need to be sure your meter is reading right and look at the main power lead going into the head unit for current. Jan 16, 2002 · Feb 21, 2011. #9 · Feb 28, 2017. The amp is about 10 yrs old. Toyota is also not able to fix my tank issue as well. Feb 6, 2020 · 5th Gen 4runner - Alternator draining the battery. From what i’ve searched and tested so far i narrowed the Dec 18, 2021 · Check those first. A multimedia DVD Nov 1, 2020 · After upgrading the 4th generation 4Runner stock head unit with a Scion T1806 and then a T1814, I finally ended up with a T10015. . 2001 325i sedan. Sep 22, 2004 · Battery Drain problem. Pull the fuse on each of those and see if the problem goes away. Dec 29, 2012 · This is a real head scratchertried lots of troubleshooting including taking to dealer for 2 weeks. With today's car's accessories and electronics, battery will be drained very fast. Just don't try to start the car with the meter hooked up or you will kill the meter. Pulled every fuse out and the only one drawing any power is the Hazard/Horn 15A fuse in the engine compartment. I don't know if it is coincidence with the amp install, or if something was wired incorrectly. The vehicle is rarely driven, sometimes sitting parked for 10 to 12 days. 7V. When I measure the current directly from the battery, it's about the same so that's the Jul 5, 2010 · Vehicle: 2008 Prius. I had this android xtrons head unit installed & the next day it had killed my battery. Mar 16, 2011 · 14 posts · Joined 2012. 7L Engines with Cartridge Style Oil Filter System Replace OE # 15620-36020, 15620-36010 $12. Ever since then if it sits for 1 week its dead and wont start. 0Amps from the battery, i. The 2014 model may be put in use in 2013, so it's not a new car. I really wanted to install an aftermarket head unit also to get bluetooth, backup camera, and GPS mainly, but I've read so many folks reporting overnight battery drain issue on Amazon, EBay, etc. srellim234 likes this. 95. BUT, if you manually shut the radio off, it wouldnt drain the battery. The verdict - The aftermarket stereo is the cause. 5 speed manual. Since I had already done most of the work on installing Dec 31, 2016 · Touring. Jun 23, 2022 · There are 8 reasons why you are experiencing a 2020 Toyota Camry battery drain problem. Then, when I open the door, the dash lights won't even come on. #12. So, they disconnected it. 04 amp draw (40mA) can kill the battery in a couple of days. 8 L. Last night I took out the line-out-converter and installed an Eclipse HU. My new local dealer found out that it was draining 2. Pioneer AVH-200EX Multimedia DVD Receiver. 12086 posts · Joined 2012. Touch the other lead to the negative battery post, completing the circuit within the multimeter, which will display the amp draw. Retrofits: Avin Avant 4 CarPlay stereo, ZHP shift knob, Auto wipers, Auto headlights, Triple-blink signals, Lumbar support, LED (Eagle Eye) tail lights, Homelink garage opener. Drive until the fuel level is as low as possible, which reduces the amount of draining required. 1 Like. Park in a spot where you can watch the car. org is an independent Toyota enthusiast website owned and operated by VerticalScope Inc. Brand. Apr 10, 2005 · 2003 Battery Draining. It’s not a push button start the only thing I can do at this point is pull out the big yellow resettable fuse. I think I have found the cause of the current drain that was killing my battery in my 2017 Outback. I also bought CarPlay and connected the main head unit through the cigarette lighter panel. By 10toyota April 3, 2020 in Tacoma Club. Then go on to replacing your harness and inspect for a hole in the line behind your console, atleast you can Jan 28, 2023 · The first lawsuit from 2020 and a second class action in 2021 against SOA alleged the Subaru vehicles had defective electrical systems causing premature battery failure. Edit 2/21: It was not the cd changer! draw continued on. Clean if necessary. My 85 P-type has started draining the battery pretty quickly (4-8 hours). Half an hour later still 130mA. Dec 5, 2011 · You should get . When the car is running the battery has 13. Take the radio out of the dashboard port. Be persistant, the problem will show up. Twice it drained my in about 8 to 10 hrs. In the following parts, we will suggest some common causes and fixes, which are: replacing the radio, connecting it to switched fuses, and upgrading the battery. Oct 3, 2019 · 4. When you hook up an aftermarket head unit it will not send that "trigger" signal to the amp. Inspect the battery cables for corrosion. It very well could be the power windows causing the draining. 4 amps while the engine is off. I recently installed a atoto f7 unit into my car (Astra H 06). 40x the normal expected passive battery drain (~50mA, or 0. the top of the post. You could wire it so it runs when the car is off, but it would drain the battery. Many Android head units are not properly optimized for power usage, which can drain your car battery faster than it can charge. I have a fairly new battery, less than a year old. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Get a battery tender. For anyone not in the know, certain Subaru models are affected by a battery drain issue, which was settled in a class action lawsuit. It's FREE! Sign In; or; Oct 1, 2019 · If none is found, an electrical issue could be the cause. Aug 21, 2013 · Sybesma Electronics, who is listed as the contact company for exchange on the original TSB affecting '04 and '05 4runners, no longer deals in JBL amps. Total cost about $15. When I first bought the Sequoia I installed a JVC double DIN HU. Just cover the light sensor on the dash with black electrical tape. If nothing else this will let you know if there is a parasitic draw or not. The new alternator was an aftermarket Duralast. If the battrey is fine after being disconnected, then there probably is a parasitic drain. #17 · Oct 28, 2016. 0L - 5. Most car batteries will product 70 amps or so for an hour when new or 35 amps for two hours, and so on. Summary. We tested it an everything is fine. - running battery voltage is 14. Set it to amps. We have put 3 batteries in it, and every test says good battery, good alternator, Charge battery. Replaced the battery and same problem. org is generated by its users. "Guesses" as to the cause range from undefined "parasitic drain", parking brake, cell phone hookup, bad battery batch, doors not fully closed, interior lights left on, vague comments about "intricate electronics" and android head unit draining car battery. Feb 27, 2022 · This happening to my 2020 RAV4 Hybrid XLE as well. I have a 2003 Tundra and since 11/04 I have had problems with the battery going dead over night. Today the battery drained again. Feb 10, 2015 · However even 100 watts will not kill a battery right away. May 16, 2017 · I live in AZ, and when temps get into the 110* range, the AC will drain the HV battery from green to purple in less than 10 minutes easy (most of the time it's a matter of 2-4 minutes). Apr 3, 2020 · Draining battery Draining battery. May 3, 2023 · GR86. Car runs great and no problems or warning lights. Now the red light stays on after the car is not running and drains the battery. After searching through dozens of forums & videos I finally worked out Oct 14, 2019 · A put together a video of my long term experience with a Android based OEM style HU which was installed in a 2013 Toyota Corolla. Thus the battery still must be able to crank the starter. Read on to learn more. The issue with installing an aftermarket head unit with the monsoon system is that the stock head unit uses the left rear negative speaker wire as a "trigger" to turn the amp on/off. I was a bit surprised when the narrator suggested that owners should ensure that the seat heater is turned to the off position when not in use to prevent draining of the battery. 3V. CD stacker seems to also have issues. I have a new head unit on the way but my concern is that the new one will not turn off either after installation. However it is continually draining the battery. Battery on 2002 4Runner goes dead after about 4 days of not driving. 1 Tweeters (85W ea), 2x AV 6. Nov 14, 2023 · Hello, I plugged a USB cable into my head unit and the display froze and was unresponsive. The battery was running flat after a few days. The car is a Ford Focus and the HU Aug 4, 2023 · The dealer I bought from in California (which was otherwise wonderful) installed a Karr brand security tracker directly wired into the battery. 9 AmperXhours, which is less then 5 percent of the battery capacity. Hi all, My partner has a yaris 53 reg 1. Replaced alternator with a 130amp desno. Found the draw it wasn’t the head unit. You can check what is draining the battery by pulling out all the fuses one by one and testing the battery with a DMM (Digital Multi Meter) for a static test to see if there is a drop or gain. If it is dead, then the battery is bad: take it out and have it tested/replaced. Since then my battery has drained twice over night. I bought the Sequoia 4 years ago and the amp was in it. Nov 24, 2018 · Pull off the negative battery cable, attach one lead of your multimeter to the end of the cable and the other to the battery post. Check Latest Price. Title pretty much says it all. I have wired the red wire into an ignition switch ( in this case the cigarette port) but the radio is still turning on constantly. Doesn't even matter if you have turn by turn directions going. Ther c…. Dec 26, 2010 · Head Unit draining battery Jump to Latest Follow 3K views 4 replies 4 participants last post by mvstopper30 Dec 27, 2010 Sep 5, 2010 · On 9/5/2010 at 7:50 AM, Jamesbelfast said: Before condemning the battery or alternator it may be worth checking if the car has an unusual parasitic voltage drain when parked up. 05A). Anything higher is obviously worse. About 2 years ago 2020 or 2021 the alternator decided to quit. Ok so i installed a new sony head unit and kenwood amp i used the Metra install kit which is all plug and play. Drive on without worry. It's all guesswork without a way of measuring current. It isn't active unless the ignition is live, which makes it even more bizarre. Oct 25, 2017 · pgoelz provide the most detailed diagnostic info. #1 · Jan 22, 2024. Pure coincidence. If your radio doesn't have a car radio code for Dec 10, 2020 · Parasitic draw is common to all modern vehicles. If it sits longer than 3 days or so, it won't start. - Installed new battery. I realize that I could probably do a similar radio swap with a Scion T10017, which is offered on Scion vehicles in 2016+. Fortunately, you can learn how to fix a car stereo draining battery yourself. As a rule all SLK should have this to keep your battery healthy. DaveFromDecatur said: ↑. Measured current drain in-line battery terminalabout 20-40 mA. My 2004 Sienna suddenly has been having battery drain issues. e. I jump started it, drove it around all afternoon running errands, and didn't have any problems starting it. Battery is only a few months old. Alternator diodes tested good. But that disables. Ended up being the cd changer in the trunk. Replaced battery. Try pulling the fuses you think might be draining the battery and ANY AFTERMARKET stuff that has to do Jun 20, 2012 · If theres a way to fool the head unit into thinking its always on, the "caution" screen wont come up. Jun 28, 2023 · Kind of a long review. The dealer can not find anything wrong, but don't know how much they are checking Dec 29, 2016 · 126 posts · Joined 2015. Dec 13, 2020 · Check the relevant fuses and fusible links before you condemn the radio. You then put another 7. I got fed up and removed the Viper 5902 Remote start system since I put in a fluke meter between the ground and the battery looking for amp draw and it was sitting at . - 1. Mechanical/Maintenance Forum May 20, 2007 · If they exonerate your battery and alternator and you think that it is a parasitic draw then start the procedure that Mike described. I’ll probably have a specialist check my wiring just to be sure but it’s testing right on the multimeter. SNS 200. 02 (20mA). Toyota Genuine. Apr 4, 2023 · 3. Jan 5, 2023 · 57 posts · Joined 2022. Pull fuses one at a time until all of a sudden the reading on the meter drops. I tried swapping from harness b to harness a which connects Jun 30, 2022 · Disconnect the negative battery cable. If you’ve ever had your car battery die unexpectedly, you may have wondered if your Android head unit could be the culprit. Here they are: 1. It gets worse as temperatures drop, because a lead/acid battery self-discharges quicker in cold weather. Generally devices are supposed to go to sleep once ignition power is removed which should make the drain minimal. I would start the commute with ~ 80% battery, by the time I arrived at work an hour later it would drop to ~62-63%. I hope this helps you guys choose the right unit for your car and hopefully cast some light on the long term use of these units. What we call a parasitic draw is generally a device that won’t sleep, an AM head unit would certainly be a potential suspect. It had a new-ish battery still under warranty when this started, so we had it replaced, but the issue remains. One day I went to drive the car and the battery was dead. I performed a draw test at the battery negative terminal, with the following results: The current draw would drop to approximately 25ma after just 3-5 minutes, but if I watched it for a short while the May 26, 2017 · We've had our '03 Rav4 since 2012, relatively problem free. Jun 11, 2008 · 1623 posts · Joined 2007. After thinking it over for a day or two, they said that the carbon build-up caused a slow-idling engine which kept the alternator from properly charging the auxiliary battery, allowing it to run down. At first I was sceptical and thought it must be something else but Ford performed some diagnostics and pointed to the HU. If no . Subaru_Outback is a place for owners and enthusiasts to show off their rides, discuss modifications, mechanical issues, industry news, etc. 5 Mid-Woofers (85W ea), 2x APS 10 S4S Subwoofers (260W ea), Alternate input is the Stock Entune Premium w/Nav; Sound Dampening - Doors, Floor, Roof, Trunk, Trunk lid, Hood, and Rear Package Shelf May 2, 2022 · To fix a car radio that won't turn on, verify that the head unit isn't in anti-theft mode. I replaced it with a chinese android headunit, everything works perfect, steringwheel controls and all. 19 amps times the 10 hours period, the battery looses only 1. What you can do is disconnect the negative 12 volt battery cable from the body, isolate and clamp it to a wire, run that out across the hatch threshold and down to the ground. Then you found your circuit. Car is not turned off properly. It is absolutely not normal for a Tacoma, or any other vehicle with a good battery to need a jump after just two weeks of dormancy. 013 as . Oct 6, 2019 · It also has a new problem: a constant drain on the battery: a 5-month-old EverStart Maxx-24F lead acid unit with 750 CCA from Walmart. However if i turn of the car or leave it over night i have a battery drain. Oct 31, 2020 · MOCW Oil Filter Drain Tool Oil Filter Draining Tool Compatible with Toyota, Lexus, Scion 2. #4. Bought in Feb 2020 and in Dec 2023, I had battery died. After disconnecting the battery the draw would be gone. I wouldn't trust these guys with any electrical problem. The current draw is somewhere between ALT-S fuse and black connector (with L IG S M signal that go to IC Regulator) which attaches to the alternator. Apr 6, 2023 · You then put the 15 amp fuse in the bottom of the jumper going in the window washer spot along with a 7. United Radio charges a flat fee to "recondition" this model, regardless May 2, 2018 · The best way to isolate a battery drain issue is to hook up an amp meter in series to the battery cable and start pulling fuses to see which circuit it might be on. - not-running battery voltage is 12. I'm afraid to try without having some certainty to mitigate the issue. In my opinion, this is the ultimate, stock-looking, head unit for the Toyota 4Runner. Jan 3, 2020 · I have been having random battery drain issues over night. If the head unit isn't powering on, use basic car diagnostic tools to test the automotive fuse and any built-in fuses. #4 · Jun 11, 2008. Loosen the bolt on the battery terminal, and give the top of the battery terminal a gentle tap - to see if the terminal slides down further on the metal battery post. Jan 4, 2009 · 684 posts · Joined 2008. I have tested the Battery when fully charged and had it on a mechanics battery tester and it all checks out ok. Oct 1, 2020 · Our review features some of the best head units available today. Apr 12, 2012 · The simplest way to determine if you have a bad battery or a parasitic drain is to disconnect the battery overnight and see if it still has a charge the next morning. Mar 17, 2011 · Option 1. The minimum recommended seems to be 50Ma. Doesn't happen evey night and sometimes goes for 3 or 4 weeks before going dead. 5. With constant drain of . Yeah that’s the only answer I can think of here. Feb 1, 2024 · Detach from the power source and other equipment. Jun 29, 2007 · I had a line-out-converter, amp, and speakers installed a few weeks ago. 6. One day my head unit wouldnt turn off after removing the key. :) I'm happy it isn't the alternator - it's charging fine (multimeter gives reading of around 14. Publicado por en 18 abril, 2022 en 18 abril, 2022 Nov 13, 2021 · 40 mins - varying between approx 10 and 40mA (probably caused by the locking and other systems polling) So, the 40 minute point is not showing any real issue with parasitic drain. Use a multimeter to verify that there is no power draw. Mar 8, 2010 · Something is staying on causing the drain. 300 which is High. Subaru Battery Settlement - My Experience. Son has a 2004 Toyota Highlander Limited 200,000 miles ont it. I’m thinking bad head unit or ignition switch, I’m not very repair savvy I pay Apr 30, 2021 · Ensure the stereo’s automatic power-off feature is functioning correctly. Jan 16, 2002 · My Alpine HU drains the battery in my Ford Focus, flat in about 4 days. Drive to the dealer. If I install a Bluetooth ODBII module and pair it to the head unit, can it pair to the head unit at the same time my cell is paired to it? And does it not drain the battery leaving the ODBII module plugged in? 5. Lubrication and General Automotive. While a dead battery, or a jump start, can result in a car radio that doesn't work, it could also be a strange coincidence. I pulled it back out so it looks correct. Jan 22, 2024 · 7 posts · Joined 2024. org is not in any way affiliated with Toyota Motor Corporation VerticalScope Inc. Now owners will be Phone get really hot while using Wireless AA and massive battery drain (I commute 30 miles in the afternoon in SoCal weather). 5hr later, the current was measuring 10-50mA. 4 installed in a 2001 Toyota Sequoia. My head unit would go on and off while driving along and sometimes reset itself. GR86. Oct 6, 2022 · Android Head Unit Draining Car Battery . Aug 25, 2013 · Toyota Year: 2003. #1 · Jan 5, 2023. For background, even tho this is embarrassing I just want the problem fixed: I basically punched the power button on the head unit. You should now be able to enjoy your new stereo without any battery drain. im leaning towards a bad line somewhere, i advise you replace your battery wires, and add another 4gauge or 2 wires off the negative and ground them somewhere else, see what that does for ya. Are there firmware updates for this unit or custom ROMs? 6. Apr 24, 2016 · thank you for the reply. It got pushed in and stayed there. 2 days ago I switched on my car after it was parked for about 6 hours in cold and saw the red battery sign come up, where it locked my steering and wouldn’t bother reversing or accelerating. Dec 8, 2007 · Doctor J said: If the light in the trunk is OFF when the trunk lid is closed, the problem is not there. 5V at idle). Secure it as necessary, and that’s it. When I remove either ALT-S Fuse or the black connector the draw goes away. Test the battery (replace your battery if necessary). When the amp draw drops, then you will know the item drawing the current will be on that circuit. The second method is to drive the vehicle until the fuel level is as low as possible. Go to the waiting area, watch, wait and make a day of it. Not even the telltale clicking. that. Share Join the Toyota Owners Club and be part of the Community. This will display as 0. #1. It has flattened the battery on 4 separate occasions now. Step 2: Place the vehicle’s rear wheels on a Aug 28, 2020 · Redline Tuning 21-27016-02 Hood QuickLIFT Plus System MAX Lift Edition (7" Higher) Compatible with Toyota Tacoma 2016-2023 (All Black Components) $99. Mar 31, 2021 · I have a Kicker ZX350. $111. #3. Okay, just taking a look at the 2008 HL iGuide that arrived in the mail. May 26, 2008 · 249 posts · Joined 2007. Location: Tyne & Wear. Kep. Amp model number is 86280-0W150. Grab the new stereo and connect it to the speakers/power wires. Set the light switch to auto. PT611-21110-TB. #16 johnnyb588, Aug 3, 2017. If there is, track down the power drawing accessory or short circuit. TYPE. Oct 26, 2020 · triffic. Jul 31, 2023 · The battery post should be 'tapered', wider at the base: vs. This might take you two or three trips. 0L. 99). It’s certainly been an interesting week, getting it dialed in and figuring out the shortcomings and strengths. This will help prevent any issues with the head unit’s voltage regulator, which could cause the unit to overcompensate and send too much power to the subwoofer, draining the battery quickly. 4V. Following Paul's suggestion and chase down whether it's battery going dead, or is there an abnormal drain. Then insert it into the dashboard port. I might have sorted the power drain, flipping dip switch no 3 to off has now enabled the unit to shut down fully when the keys are removed from ignition, and now the standby option works so i can takekeys out and then have unit in instant on mode for 30 secs, 2 mins up to 2 hours etc before it completly shuts down. Content on GR86. It's pulling 0. 9 Amp/DSP, 2x AV 1. jmneill, Dec 10, 2020. It was a bitch indeed to find! Had to use a dc current clamp, normal methods for draw testing would not work. Plug them in and you are good to go. Jun 11, 2019 · Battery drain/parasitic draw/bad/radio/ignition. Often, it's the loose screw between the steering wheel and the driver's seat that needs to be fixed first! Stock 1998 Corolla CE, 1. - drain current after running is 300mA for a few minutes, then 130mA. Mar 2, 2016 · Battery Draining after stereo/amp install. Got a 2017 corolla a few weeks ago. #2 · Oct 26, 2020. Nov 20, 2023 · First Name: Cliff. 05 amps. I removed the faceplate and now there is no display at all. Jan 23, 2022 · Retrofits: CIC, Wireless CarPlay, Ventilated seats, Active backrest width adjustment, Auto rear liftgate, ZHP shift knob. Clore Automotive Solar 1874 500 Amp Carbon Pile Battery Load Tester, Black. Connect a second wire to ground (maybe just clamp it with the negative cable body bolt), and run that wire out similarly. There’s either something wrong that’s outside my range of knowledge on this stuff or it’s just a shit head unit. Recently My amp has been draining the battery completely while it is parked and turned off. Be it a bad battery or an abnormal draw on a good one, the OP has something wrong with his truck. Nov 4, 2023 · The aftermarket dongles and head units drain battery because they can't use the cars gps. Dealer replaced the battery in 2/05 and problems still here. You should also test the pigtail connector, check the head unit's power wires, and check for poor head unit grounds. Some functions on the unit stopped working. Unfortunately, it’s a possibility. I have a 07 4Runner. Some time ago the Battery was keep going flat, i changed the Battery and it is still doing the same. Apr 8, 2020 · 2021 Rav4 Hybrid - 2020 Rav4 Hybrid issues resolved? There are multiple threads related to dead battery/no start conditions. 01 amps (some meters round anything over . Which cause the head unit to be very laggy (I will try to factory reset the head unit ASAP). If it does / snugs up, tighten the bolt back up. The car had the audio 10 cd radio, without cd changer. However, for the past year or so, it's had a parasitic battery drain. Head unit replacement part for the Scion navigation system. Power draw should be under 50 milliamps. 2019 Silver 4Runner. I have a 08 Tundra and have replaced the battery like 4 times in the life of the truck. Official built in, wireless carplay uses the vehicle GPS so battery drain isn't that bad. If the radio has both power and ground, then it probably has an internal fault. All SLK's will slowly drain power not just from your head unit but also other accessories, as this is to keep memory and settings, best bet is install a good brand trickle charger for the battery that has auto cut off and voltage sensor features. 5 amp fuse in the top half of the jumper. 01 such as . Headunit visibly switched off of course. But here goes: After much deliberation and research for a replacement head unit on my 2018 Highlander Limited, I finally decided on the Pioneer WT-3800NEX and had it installed last weekend by Best Buy. The health of your battery is not in question. Part Number. If possible, use an amplifier with your subwoofer instead of running it directly off of the head unit. Search your area for a dealer in order to purchase product. It depends on a few things (such as what headunit) but typically you'll find that as a battery ages its capacity drops, so you tend to notice even a small drain more and more. I removed the 30amp fuse on 41, this obviously stopped the radio. At this level a fully charged Battery would be down to ~50% charge after around 2 months, not allowing for any self-discharge. Touch a lead to the negative battery cable terminal. Depending on the battery reserve and what not even a . I ran the power from the amp strait to the battery and the amp ground with the head unit ground something is still drawing power causeing the battery to be dead over nightCan anyone here Sep 19, 2022 · How to Stop Android Radio from Draining Your Car Battery hypersonic The video shows a tutorial on how to prevent your car battery dying from Android radio St Anything electronic can drain the battery. Just completely nothing. Has anyone heard of a headunit sapping the car battery? I'v had my car at the dealers for a couple of days, whilst they ran diagnostics on the electrics. Nov 24, 2021 · hargaR1. #2 · May 26, 2008. pc mb jp kq ka cl lo bw vq ws