alternator light and voltage

[sad_rocc at yahoo.com (Dan Smith)]

Did you check to make sure all your wires connecting to the alternator and the ones connected to the battery were good and tight? Could just be a short or loose connection or something with the light itself.
 
Dan

Derrick flo <derrickmd18@verizon.net> wrote:
I have a 87 vw scirocco 16v and when I was driving home last night the battery light came on for a few seconds then went out. I thought might be because of the cold weather. then when I was at a drive thru getting food the battery light came on again at idle. I pressed on the gas pedal and it wouldn't go out. after about 30 seconds it went out. when I was driving home from work and speed racing up a hill the light came on and went back off. 

Just to mention I was running a laptop, and head lights when it came on last night. this morning I was running just the laptop and radio. then tonight I was racing up a hill I was running a laptop, radio, and headlights. 

I hooked a volt meter up to the car and I'm getting 13.1V max output. its normally between 12.3 - 12.7v while I'm driving and everything. Does anyone know what the problem maybe? I looked at the manual and it said I should be getting 14.1V at 3000 RPM but I'm not. I drive the car for a hour and 10 mins in the rain to night and I never got a light or anything.
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