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Re: MGB Ignition Relay

To: Wayne Kube <>, "Peter G. Gilvarry" <>
Subject: Re: MGB Ignition Relay
From: Hezekiah Bolton <>
Date: Tue, 24 Dec 1996 20:56:40 -0800 (PST)
 The list recently bailed me out of a problem where the fuel pump ground
 connection was relocated by the Paint & body shop.  Before I turned to 
 the list, I noticed that where was an inertia switch in series with the 
 power to the fuel pump.  I like the idea you suggested about using this 
 switch for "anti-theft" purposes.  Where exactly is this switch located?
 You said "reach under the dash and pull one of the wires".  
 Please guide me a little more? 

 Thanks......Hez of the Pacific NW

At 07:42 AM 12/23/96 -0600, Wayne Kube wrote:
>Peter G. Gilvarry wrote:
>> What is the purpose of the Ignition Relay in the later MGBs, is it
conected to
>> rollover/inertia switch behind the dash. Or is it something from Lucas to
give us
>> something to do........
>> Merry Xmas to all.
>> Regards
>Peter -
>       The ingnition relay prevents current overload thru the ignition
>switch.  When the switch is on, the relay provides power to turn
>signals, instruments, brake lights!!, radio (I think?), maybe a few
>other things.  It does _not_ power the ignition circuit.  The car will
>start and run without the relay - still will have power to the fuel
>pump.  The fuel pump is powered via the inertia switch.  This is a handy
>thing if you are working on the car and don't want the fuel pump running
>- reach under the dash and pull one of the wires from the inertia
>switch.  Makes a handy anti-theft device as well.
>Happy Holidays to all!
>Wayne Kube
>Plano, TX

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