Re: Need a Knock Box

[John Erickson <hombre@elp.rr.com>]

I have, in fact, provided an external ground to the relay and doing just 
fine, thank you.  I have no idea why the knock box is supposed to provide 
the ground, but there it is.

John



At 06:59 PM 10/5/2001 -0400, Dan Bubb wrote:
>----- Original Message -----
>From: John Erickson <hombre@elp.rr.com>
>To: scirocco-L <scirocco-L@scirocco.org>
>Sent: Friday, October 05, 2001 3:50 PM
>Subject: Need a Knock Box
>
>
> > It looks like the reason my fuel pumps aren't running is that the relay
> > isn't getting the ground it needs from the knock sensor control
> > box.  Thanks to Brian Wagner for all his help in tracking this bad boy
>down.
> >
>Really???
>Now I don't want to be toooo sceptical, but this is either a bad mistake
>(why would the knock sensor control have a GD thing to do with the fuel pump
>relay?) or the dumbest design OTFOTE!
>I've seen alot of dumb designs, so it may be.
>I'd default to the bottom basement 8V relay setup and rewire to a fixed
>ground and a dedicated wire from the coil to let the GD relay know the
>engine is running. It would be lots cheaper than a new knock box provided
>your knock box is performing its other functions correctly.
>OTOH, have you bypassed the relay with a jumper as a test??
>Dan
>Just being a shit, as usual!


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