Fuel Pump relay

[Huw Powell]

> I have an 85 4000 quattro that isn't starting.  The fuel pump wasn't coming on, 
> so I shorted the fuel pump relay circuit and the pump started ticking and making 
> all kinds of noise.  From what I'm told the relay also controls the cold-air 
> fuel injection primer, so I'm not sure that shorting the circuit will mean the 
> car will start.
> 
> I'm having trouble finding a known good, so my question is:  Since the fuel pump 
> wasn't making any noise and presumably not coming on, does shorting the circuit 
> causing the pump to make noise mean the relay is bad?

If you "short it" correctly, that is, put a jumper between the two big 
slots (ideally with a fuse in line), the pump should simply run all the 
time, and your car should operate.  If the pump sounds and acts ugly 
that way, it might need replacement.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/