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-   -   Electrical quickie (http://www.haynes.co.uk/forums/showthread.php?t=7931)

Peter-C 12th April 2012 01:39 PM

Electrical quickie
Should the fuel gauge work with the battery connected but no key in the ignition. I am using the original sierra instruments and sender.

Cheers Peter

HandyAndy 12th April 2012 02:04 PM

My fuel gauge works without the key in the ignition,
I,ve used the original Sierra instrument binnicle but with an aftermarket sender unit.


Peter-C 12th April 2012 02:06 PM

Cheers Andy

Bonzo 12th April 2012 02:08 PM

Hi Peter

The Original Sierra fuel gauge remembers its last reading when the ignition is turned off.

For example, if you have 1/4 tank of fuel, the gauge will still read this after the ignition is turned off.

Hope this helps :)

brainbug007 12th April 2012 02:33 PM

Sorry to hijack this thread but what you said reminded me of something I meant to ask about bonzo. For some reason my gauge/sender (orginal sierra ones) only gives a reading from 1/4 to full tank but won't go below a 1/4 even when the arm is all the way at the empty position?

robo 12th April 2012 04:51 PM

Pull the wire off the tank sender unit and if the gauge goes to empty the problem lies with the sender unit.


Peter-C 12th April 2012 05:32 PM

When I put fuel in yesterday the gauge went up to about 3/8 full. Today I had disconnected the battery live and when reconnected gauge went back to where it was.

Hope that makes sense.

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