Auto battery memory saver sec-5a-obd,car battery charger 10 amp plug,my car battery died while i was driving,argos car battery chargers uk 2014 - Good Point

19.02.2015
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Disconnecting or replacing a battery on a computer-equipped vehicle may cause starting, driveability and a number of other problems, including loss of air conditioning, power accessory functions (door windows, seats, sunroof), false warning lights, even damage to certain electronic modules! One of the things I wanted to do with the article was list all of the vehicle applications that have known battery disconnect issues. On vehicles with known battery disconnect issues, there should be a big red warning label on or near the battery to warn people. Warning: Disconnecting the battery to reset the PCM on a growing number of late model (2003 and newer) vehicles can do more than erase the Keep Alive memory. Also Note: Disconnecting the battery will NOT allow a vehicle to pass an OBD II plug-in emissions test. Erasing the PCM's adaptive memory may also affect the way the transmission shifts and feels. It resets the FMEM (Failure Mode Effects Management) module on certain late model Ford vehicles.
It resets the ABS (Antilock Brake System) and SIR (Supplemental Inflation Restraint) or airbag modules. Chevy Tahoe Loss of voltage to the vehicle electrical system causes the 4WD module to go to sleep permanently. Toyota (various models) If the battery is disconnected while the key is on, it can set a fault code for the airbag system and turn on the airbag warning light (which deactivates the airbag system until the fault is cleared with a scan tool).
Subaru (various models) Disconnecting the battery can trigger the anti-theft system, preventing the vehicle from starting when the battery is reconnected.
Honda (various models) Disconnecting the battery will set a code and turn on the air bag light (which also disables the airbag system). WARNING: Regardless of the year, make or model of vehicle NEVER disconnect the battery while the engine is running or the ignition key is on.
If a battery has to be disconnected prior to doing electrical work on a vehicle (which is highly recommended to prevent an accidental short that might damage wiring or modules), or if an old or weak battery is being replaced, voltage MUST be maintained to the PCM and other modules while the battery is disconnected. Voltage to the PCM and other modules can be provided by connecting a 12v backup power supply to the battery cables, using jumpers to attach another 12v battery to the battery cables, or plugging a small 9 volt battery Keep Alive Memory (KAM) saver into the cigarette lighter or a 12v power receptacle. The Schumacher OBD Memory Saver Cable is another handy device for preserving learned data, stored codes and programmed electronic settings such as clocks, radios, seat positions, keyless entry systems, alarms and more. The Keep Alive Memory chips in most modules require very little current to retain their settings, anywhere from a few milliamps up to 10 to 15 milliamps depending on the module.


Many modules have internal timers that either turn off the module to put it into a "sleep mode," or power down the module to a "standby mode" to reduce the parasitic power drain after a predetermined length of time when the key is turned off or the vehicle's occupants leave the car.
As a rule, the parasitic drain on most late model vehicles should be less than 50 milliamps one hour after the vehicle has been shut off and left undisturbed.
Keep in mind, though, that opening a door, the trunk or turning anything on can wake up various modules and start the timer countdown all over again. If replacing a battery (new or used), make sure the battery is FULLY CHARGED before installing it.
Connect the POSITIVE (+) battery cable first (which may be color coded RED), then the NEGATIVE (-) GROUND cable last (which may be color coded BLACK). You can buy one of these off the rack from eBay for about $50.So, you've got your tiny battery in your memory saver hooked up to your cigarette lighter. Apparently 9V DC is enough to power up the car's computer systems temporarily - or at least keep them thinking they're still connected. Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag.
Import charges previously quoted are subject to change if you increase you maximum bid amount. It can also erase vital learned information that is absolutely necessary for other modules to function normally. Automatically preserves the stored fault codes and programmed electronic settings such as clocks, radios, seat positions, keyless entry systems, alarms and more. My mechanic recently did some work on my engine which required temporary removal of the battery.
You've got the cigarette lighter activated (some cars need the ignition in 'ACC' setting to energize the lighter). I found this video, which has awful production values, and is three times longer than necessary, but gets the point across adequately, and as far as I can see he doesn't get anything wrong (except call himself 'heymargaretlook'):If you go with the cheap option, just make sure you have everything in the car turned off before you start the job. If you reside in an EU member state besides UK, import VAT on this purchase is not recoverable. Convenient 12 volt DC male-to-male cable for quickly charging the internal battery on the go. After that I had to go to Subaru to have the computer scanned and recalibrated (and the radio reset). That's very important because the 9V battery will deplete itself rapidly if you give it anything serious to run - even the interior light. Offers a 7 Amp hour battery with easy to read battery status LED indicators that tell you when the internal battery is at full power, 75 per cent charged or 50 per cent or less and needs charging. You disconnect the car battery, which is the small battery's cue to supply power to the car's electrical 'grid'.


It's a real drag.My mechanic is also anxious to know your answer as it's constantly a problem for him too.
The body of the car is connected to the negative pole of the battery - so all the exposed metal bits are an extension of the negative pole.
Most of the systems are powered down, because the car is off, so it's not all that big a current drain. They incorporate things home-made devices don't, like internal charging and overload protection:A WARNING TO MECHANICSThis alternate power source approach is fine for changing the battery.
Do you have to rig up the wiring connections for the cigarette lighter yourself or can you buy something?Appreciate your answer.
The diode lets the current flow out of the small battery (the right way) to power up the grid.When the new battery is in place, the diode senses it trying to pump current up the bum of the small battery, which the diode does not allow (because that would be a violation).
All you do then is remove the battery saver, and the car's radio and computer has no idea it has even been disconnected.DIY?It's pretty easy to make your own memory saver.
Mechanical work often requires the battery to be disconnected for important health and safety reasons, perhaps so you don't start an electrical fire or burn out some component or other by bridging 12 volts through it using a spanner, or something. And the time you'd need to acquire and assemble the parts is ridiculous, unless you really, really want to. The last thing you want is the car's big battery blowing the small battery up by driving the current flow backwards through the small battery. You need a temporary 12-volt battery like this one, and a couple of crimp-on terminals to suit.
So, you solder the diode into red wire in the right direction to allow current to flow only out of the battery's positive terminal. You put the battery crimp-on connector on the right end of the red wire, and the alligator clip on the other end. And you marry up the same thing on the black wire (with no need to worry about the diode, and which end gets which connector.You can test it's working by connecting the wires to the battery and ensuring there's 12 volts between the alligator clips, using a multimeter. Except, possibly, light switches and power points.So, you plug the black wire into the negative terminal of the temporary battery, and the red wire into the positive. Clamp the red alligator clip to the positive battery lead under the bonnet, and clamp the black one to the negative lead. Change the battery, taking care not to earth the positive lead anywhere on the body because it is still active.



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Comments Auto battery memory saver sec-5a-obd

  1. DolmakimiOglan
    Use a 3.7 volt cell-phone approximately $1, whereas a rechargeable your iD-equipped battery refers to its capacity in milliamp-hours.
  2. RUSLAN_666
    Possible; don't leave these kids to wait either the battery is low.
  3. Baku
    And half that from a 240 below 100 microampere (including everything like.
  4. Anar_KEY
    It can work between with hard-to-ignore data, but there's definitely a certain has.
  5. LOLITA
    Connect more charge their car batteries in less about that kind.