4kq intermittent electrical problems after alternator/battery replacement

[Huw Powell]

>>>Is this problem as simple as crapped out load reduction relay? 
>>
>>That was my guess.  You could try jumpering it with a heavy fused jumper 
>>and see if the problem goes away, before running out and buying one.
>>
>>Do the headlights work when this probelm is happening?  They are on the 
>>LRR too.  So is the radio, I think.
>>
>>However, I didn't think the radiator fan was...
> 
> 
> The other day I was messing with the window switches on my wife's 4kq right
> after she came back from driving it and a window wouldn't close.  The
> radiator fan was running when I got into the car, but when I turned the
> switch to "on" without starting the engine, the fan would go off.  Happened
> repeatedly until I got the window working again (need to clean those
> switches).  
> 
> So the fan also must go through that relay, eh?

Well, not the fan per se - but the power to the thermoswitch that turns 
it on does come from the "X" buss (LRR).  So with the LRR off or dead, 
no radiator fan.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/