John,
The negative were on the MGC and the positive on BJ8s, but I don't remember
which pump was used where.
Mal
----- Original Message -----
From: "John Sims" <ahbn6@verizon.net>
To: "'Healey Mail List'" <healeys@autox.team.net>
Sent: Monday, August 31, 2009 1:35 PM
Subject: [Healeys] FW: fuel pump polarity
> But it seems to me that if they all have been used on both pos and neg
> cars,
> then you have answered your question -- no diode or else it would have
> blown
> thus polarity does not matter. But it is easy to pop the cap and see if
> there is one.
>
> John Sims, BN6
> Aberdeen, NJ
>
> http://www.healey6.com
>
> -----Original Message-----
> From: healeys-bounces@autox.team.net
> [mailto:healeys-bounces@autox.team.net]
> On Behalf Of Awgertoo@aol.com
> Sent: Monday, August 31, 2009 11:51 AM
> To: coudesluijs@chello.nl; mbruce6@cogeco.ca
> Cc: healeys@autox.team.net
> Subject: Re: [Healeys] fuel pump polarity
>
> SU pumps are polarity sensitive and supposedly while they will run for a
> while with RP they will die an early death. Polarity can be changed by
> addition of a diode. My recollection is that polarity was indicated by a
> broad
> rubber band at the head of the pump--one color meant + and the other meant
> -. If I am not wrong then I am sure someone on this list knows the emmis
> and will share it.
>
> Best--Michael Oritt
> -------------------------------------------------------------
>
>
> In a message dated 8/31/2009 11:44:57 A.M. Eastern Daylight Time,
> coudesluijs@chello.nl writes:
>
> I do not think that polarity plays a role unless a diode is used
> somewhere to prevent sparking.
> Kees Oudesluijs
> NL
>
> Mal Bruce schreef:
>> I have four fuel pumps, three are AUB 662-1 and the other is AUB 662.
> Since
>> the pumps have all been used at one time or another on both MGC and BJ8,
>> negative and positive ground respectively, how do I find the polarity.
> Thanks
>> in advance for the help.
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