To the list:

would it be a bad idea if Christophe wired up a test switch to connect
battery positive post to fuel pump positive? Supply a known good positive
connection to fuel pump?

Christophe: this explanation of the "double relay" may help your
troubleshooting:

http://www.ratwell.com/technical/DoubleRelay.html

The above is for the late model Bay Bus but should be relevant to your '83.

Neil.

On Fri, Jul 31, 2015 at 3:33 PM, Christophe Guilbert <
cguilbert@picasso.ucsf.edu> wrote:

> I tested my fuel pump by measuring the amp while cranking the engine.
> I have 2.4A , Bentley manual said the it should be between 6 to 8A.
> Bentley than suggest that you check the ground if amperage < 6A. I hooks
> the fuel pump neg terminal straight to the battery to give it a good ground
> but I did not see any difference, still 2.4A
>
> Also , I kind of remember that when you put the ignition on (before
> cranking the starter), the fuel pump start for a couple a second. Is that
> true ?
> I don't hear the fuel pump running.
>
> Also Bentley test above should be done shortening pin 36 and 39 of the air
> flow meter , I did both with and without shortening. Did have the same
> Amperage.
>
> Any thought or suggestion
>
>
> Thanks
>
> Chris
>
>

--
Neil n

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