<VV> Electric fuel pump relay
Jack Kean
jkean at sbcglobal.net
Thu May 14 22:01:47 EDT 2009
Stephan,
go back to NAPA and ask for a relay with part number AR204. This is a
standard Mini ISO relay. Connect 12V from battery to post 30 (you could
run this through your inertia switch that I think I remember you talking
about). Connect the fuel pump to post 87 (switched normally open).
connect a 12 volt source (controlled with the ignition switch) to post
86 and post 85 to your other switches (oil pressure I think). Post 87
will not be used (should shield it since it will be hot).
I can send you a simple schematic of this relay if you need it.
jack kean
Arlington Texas
Stephen Upham wrote:
> I want to know if anyone can recommend a relay to use for the
> connection of my electric fuel pump to harness connection to battery
> that can be purchased from NAPA, PEP Boys, Auto Zone, or O'Reilly's
> (my local FLAPS). I would guess that would be a three prong relay.
> I understand that it is advisable to run the positive wire on the
> pump to the relay, the relay to the harness (20 b/y) and then to the
> battery. Unfortunately, when you try to explain this to the local
> FLAPS employees they say "What is the make and model of the
> car?" ... It is practically the only way they can access their
> inventories. It is a NAPA Posi-Flo pump 12v pump. It recommends,
> and I have installed, a 3-5 amp {used 4} fuse in the positive wire.
> Remember, I will probably need a part number as that is how they work.
>
> Nearing the end of the wiring harnesses odyssey.
>
> Stephen U
>
>
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