[Healeys] Fuel Pump Inertia Switch

[David Nock]

All new  cars since about 1980 have had a way to shut off the fuel in  
case of an accident if the car was equipped with an electric fuel  
pump. Most have an inertia switch in the power side going to the fuel  
pump relay, they usually are mounted on the inside kick panel behind  
the upholstery trim.





David Nock
British Car Specialists
Stockton Ca 95205
209-948-8767

www.britishcarspecialists.com
.
.

On Jan 9, 2012, at 7:53 AM, Michael Oritt wrote:

> Inertia switches are usually used in racing situations where in the  
> event
> of a crash power to the fuel pump is shut off.  You can also install a
> low-oil pressure switch so that in case the engine is shut down the  
> fuel
> pump is not energized and that will accomplish much the same thing.
>
> Best--Michael Oritt
>
> On Mon, Jan 9, 2012 at 9:47 AM, Jack Feldman  
> <qualitas.jack at gmail.com>wrote:
>
>> I recently discovered how easy it was to add a fuel pump switch  
>> and thought
>> it was a good idea.
>>
>> However, why not put it in the switched hot lead to shut off  
>> whatever goes
>> hot when the ignition is turned on?
>>
>> As I recently mentioned, the switched hot lead only closes a relay  
>> which
>> then powers the added fuse block. I don't see a current problem,  
>> but just
>> wondering why it isn't generally done.
>>
>> Jack
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