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Oil pressure/ alternator light keeps coming on???
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tuekwik4u
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Joined: March 01, 2018
Posts: 5
Location: Brawley CA
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PostPosted: Sun Apr 15, 2018 10:56 am    Post subject: Oil pressure/ alternator light keeps coming on??? Reply with quote

I'm new to owning a VW, so maybe I could get a little help on this issue. I was driving my thing the other day going about 65 and my oil light came on. Car was running fine nothing out of the ordinary. When I got back into town at, lower speeds, the light shut off. Also when I drive at night, my ALT light is dimly lit, maybe cause I'm running the lights??? Thanks for any input.
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YDBD
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Joined: February 25, 2017
Posts: 367
Location: Bavaria, Germany
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PostPosted: Sun Apr 15, 2018 8:51 pm    Post subject: Re: Oil pressure/ alternator light keeps coming on??? Reply with quote

If either light comes on, pull over immediately and check! When the oil light comes on that means ZERO oil pressure. When the gen light comes on it may mean you have lost your fan belt.

Since you made it, check your oil level, check your wiring and make sure the ground wire to the speedo is connected well.

Do you have a generator or alternator? Old generators use an external regulator, alternators have an internal regulator. Increased load (lights) may cause a glow from the idiot light with the old system and may be wearing out. Check wiring for good connections.
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sam_w
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Location: Cupertino, CA
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PostPosted: Sun Apr 15, 2018 11:47 pm    Post subject: Re: Oil pressure/ alternator light keeps coming on??? Reply with quote

I had the same problem and it turned out it was the voltage regulator for my generator. A new regulator fixed everything
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