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Electrical problem
Alternator excitement (on a rocc) comes from the switched 12v, through a pair of resistors in seris//parallel with a light bulb, then a diode then the alt.
Check the light bulb for one step, then check to see if the set up is even seeing the switched 12v at all.
Alts are self exciting (no jokes guys :) once they reach a certain rpm, but can drop out when the car gets to idle.
As for #3, check the float and its connector.
Now off to bed with me, its been a long weekend! Good luck!
>-----Original Message-----
>From: Derrick floyd [mailto:tyrone27@xxxxxxxxx]
>Sent: Sunday, May 6, 2007 09:21 PM
>To: 'Scirocco list'
>Subject: Electrical problem
>
>Hello guys. Well I got a electrical problem from hell from My 92 VW Passat
>16v
>
>here is what I have:
>1. When I start the car the alternator doesn't go to 12V until I rev it.
>well thats is normal but what isn't normal is that the battery light never
>comes on at all. I even disconnected the alternator belt and the light
>doesn't come on with the car running.
>
>2. When I turn the head lights on the Tachometer dies and the clock goes
>out.
>
>3. The coolant light flashes with the car filled of coolant. When I sat at a
>stand still it flashes but when I move it stops.
>
>Any one have any suggestions on what to look for or where to start? I
>brought this car from a guy with it not running. I replaced the distributor
>and it now runs. I also replaced the head because the belt came loose.
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