I was driving around when my battery light came on so i took it to the local repair shop and they said i need a new alternator. so i got one and put it on then the next day the battery died again so i get it to my machanic and he said my alternator is broke. so i go and get the best one i can find and put it in. when i install it in my car my battery eventualy dies again. when they checked my alternator it always says no output what is my problem?????
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Normally the "Fuse-able Link" is right next to the Battery. It'll be a short length of wire supplying all the current to the fuse box.But this won't be the cause.
I have a problem with your description "Battery still dies while driving around". Can you elaborate on this?
Assuming the Battery and Alternator are not defective, the fan belt is tight enough and the Battery is fully charged, all should be ok.
You'll need an OBD-II scanner tool to read the Diagnostic Trouble Codes (DTC) which will help in troubleshooting the problem. You can either rent or buy one (Sear, NAPA, Pep Boys, or Auto Zone). Or else have the car towed to your local Dodge dealership for repairs or to any local auto repair shop w/ ASE certified mechanic.
If you are able to pull the codes before going to a shop, post them and we can take it from there.
The BATTERY Light coming on is telling the charging system is not charging the battery . Take it to a qualified repair shop . The abs traction lights coming on are due to low voltage .The charging system in your vehicle is computer controlled ,don't know what kind of mechanic you took it to ? Take it to a Chevy dealer
Sounds like a charging system issue. Just because the alternator itself tested fine doesn't mean it's getting power to the car and battery. Charge the battery and start the car (with everything connected normally, including alternator). While car is idling, disconnect the battery (negative post wI'll do). If car dies, there's a problem with the alternator wiring/harness. Once the vehicle is running, the alternator should provide plenty of power. Check voltage at battery (from alternator) and should be around 14V. Check alternator fuse.
Could be the voltage regulator in the alternator going out, which would need a new alternator.
Humm ...Didn't die before the accident? now dies? BMW has good mechanics,but could not find any problem???. I gota think that it is related to the rear ending,but how? I would look for loose connections, Battery Ground that might have been removed before welding.Battery terminals, Any primary connections that may not be making 100% contact . It's worth a try.Good Luck
This is going to sound crazy but i had the same problem with my 2003 silverado, changed the plugs, battery, and alternator with no sucess at all. Finally took my truck to a well respected auto repair shop locally in my area and they suggested i change the fuel filter under the truck. Crazy right? Why not, so i did and my truck ran perfect after i changed it. Shop tech said my truck was starving for fuel which in turn was not letting the alternator spin above the correct RPMs at all times which in turn caused the electrical computer system to not operate correctly. If you tried everything might as well try the fuel filter before you have to spend big bucks at the repair shop. Hope this helps.