Question about Cars & Trucks
What process did you use to check alternator ? Ive always taken it in to auto store to have it tested.. I don't recommend it but when its running you can disconnect battery terminals + from battery and if vehicle stalls out then its for sure alternator..
Posted on Apr 28, 2013
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Posted on Jan 02, 2017
SOURCE: 98 Jetta...stopped while driving
During this past winter, I was driving my 98 Jetta GL and it suddenly shut down in the middle of the road. It restarted but would only go a little ways before doing the same thing. I got it checked out and it turns out I had to get new fuses. I knew someone who could put them in it was very cheap to fix.
Posted on May 11, 2009
No that's good alternator voltage, you could have a defective battery or if it don't start after sitting for a whole could have an elec. draw, if this is the case disconnect the neg. terminal and hook a test light at cable end and the pointer at battery if test light lights up you have a draw, remove dome light fuse and light bulb under hook, start pulling one fuse( under the hood and on the side on dash ) at a time and keep an eye on the test light when light goes out that's the problem, check that circit.
Posted on Jan 08, 2010
If the battery is draining at all ,beyond 40 milli amps continuous,which is what keeps the radio clock,pcm (computer) and other devices powered up,then something is not timing out,such as windows,door locks,on the LS the radio etc. Retained memory is just that or it goes to sleep ie no current flow. I won't go into how you check current flow but it is fairly easy. The time consuming task will be to find the offender. You could pull all the fuses and replace them one at a time,but need an ampere meter in the circuit,so that's why I won't go into it. Now fuses alone are just a start and time here is limited. The LS has an awfull lot of stuff. I have a 2004. Even the Alt and a long list of things could cause this.
Posted on Feb 11, 2010
Its probably the alternator. It will need to be tested on the vehicle with the engine running and the light illuminated. Measure the battery voltage with the engine running. It should be at least 13.5 volts. If it is lower have the alternator tested at a shop with a charging system tester.
Posted on Feb 27, 2010
there can be electrical issues like lose wiring..check all the wiring.. there are not many reasons because of which a battery drains out..
Posted on Dec 28, 2010
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