Car Batteries

In a VW Golf GL does the wiring that connects to the draw wire on the alternator or battery go through the dashboard?


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2015-07-16 18:14:20
2015-07-16 18:14:20

I assume the wire in question is the smaller blue wire. Yes it travels inside the car to the central electrics (fuse block) then to the instrument cluster. The cluster feed the battery light power and finds a ground through said wire at the alternator. when the alt starts charging, there is power on that wire from the altwhich doesn't let the bulb get ground and the light is out.


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a circuit is a round wire that connects through a battery into a lightbulb

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It is a device that converts mechanical energy to electrical energy on a car. It works by:the alternator creates an electric field by spinning a magnetic rotor with direct current inside stator windings. an ac voltage is developed and rectified dc. this voltage is compared to the battery voltage and determines the current through the rotor. if the battery voltage is lower than the alternator voltage, more current through the rotor increases the magnetic field and creates a larger alternator voltage. if the battery voltage is higher, less current through the rotor decreases the alternator voltage.

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i would start by testing the battery , i have seen cases where the battery was good enough to start the vehicle but was causing the alternator to do all the work resulting in premature failure. my f150 went through a brand new ford alternator in 2 months .

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This is an easy answer. The alternator is hooked (through wires blue and black) to the battery. So every time you start an engine the alternator kicks on and charges the battery. That's practically how it works. <><><> To add a bit to the above- an alternator produces an alternating electrical current (unlike a generator, which produces a direct current- DC vs AC) On modern cars, the alternator produces the current used to charge the battery, and operate electrical equipment on the car, such as lights, wipers, radio, etc.

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If this connection is used, it is generally connected to the light in the dash that shows alternator fault (NOT the voltage gauge!) and then through the ignition switch to the positive battery terminal.

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