| [GMCnet] Re: Looking for electric fuel pump control [message #367176 is a reply to message #367174] |
Tue, 12 October 2021 13:25   |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma:
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Senior Member |
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Matt,
The problem with the alternator supply is that if the alt. fails, you're
dead in the water 'til you bypass the isolator. The oil pressure switch
(from a Vega), on the other hand, only shuts down the pump when the engine
initiates the shutdown.
Ken H.
On Tue, Oct 12, 2021 at 1:12 PM Matt Colie wrote:
> During the winter re-fit, I will be installing a pair of Carter 4070s.
>
> I am mulling over how to control them so that when the main engine shuts
> down for any reason, they stop pumping.
> I can think of lots of good reasons for this and trying to decide between
> alternator output (like I use for the electric choke), or lube oil pressure
> present.
> They should both be reliable and the alternator is less invasive.
>
> If someone has a better idea, I should like to hear it before I buy more
> parts.
>
> Thank You
>
> Matt
> --
> Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL,
> GMCES
> Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum
> Brakes with Applied Control Arms
> SE Michigan - Near DTW - Twixt A2 and Detroit
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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