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crwdns2944351:0crwdnd2944351:0Mercedes W123 Basic Battery and Alternator Test Techniquecrwdnd2944351:0crwdne2944351:0

crwdns2933797:0Nicolas Siemsencrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Nicolas Siemsen

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Mercedes W123 Basic Battery and Alternator Test
Type
technique
Title
Mercedes W123 Basic Battery and Alternator Test Technique
Introduction
When your car won't start the first place to check is the battery. Your car needs a solid 12 volts to start properly.
If the car will start after you charge up your battery, but not the next time you drive, your alternator may not be properly re-charging it. Same for if your lights go dim while driving, or your radio acts up, etc.
It's very easy to do some basic testing to see if your battery and/or alternator are working properly. This can help you begin to narrow down your problem.
Time Required Min
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Time Required Max
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Imageid
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Difficulty
Very easy
Conclusion
When you've finished testing if everything looks good and you're still having electrical issues you'll need to diagnose further.
Author
Nicolas Siemsen
Public
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