[Vwdiesel] alternator light :(

Roger Brown r.c.brown at ieee.org
Sat Jul 29 15:04:52 EDT 2006


Pam & Doug Boes wrote:
> The alternator light on my 85' Golf diesel quit working. I replaced the bulb
> but it still doesn't work. The alternator was recently replaced and at the
> D+ terminal and at the end of the blue wire both read 12+ Volts when the key
> is turned on. The rest of the indicator lights seem to be working fine. I've
> disassembled the dash 3-4 times to verify the light is installed correctly
> and the led actually lights. I've pulled the fuse and it looks OK. I've
> grounded the blue wire to the negative battery post and still no alternator
> light. 
> 
>  
> 
> What else would be keeping the alternator light from lighting when the key
> is turned on? If I'm looking for a broken connection, where would be the
> place to start?

Did you use an LED for the dash bulb?  If so, maybe it is in backwards, LEDs have an anode 
and cathode connection.

-- 
    Roger




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