[ba] Coupe stopping intermittently,
ti at amb.org
Sat May 15 23:49:27 EDT 2004
audion at serversmiths.com writes:
> I don't know about later Audis but that's a very big pile of spilled
> spaghetti back behind the panel. Hope they do a better job these days.
The fuse relay panel is the central "hub" where almost everything
electrical in the car goes to, so it's not surprising there is
a big spaghetti of wires back there.
> By the way does anyone know if the signal from the coil is just DC or
> is it AC based on the coil firing?
It's "AC", based on the ignition pulses. The fuel pump relay has
a pulse detection circuit in there that will turn off the pump if
the pulses stop.
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