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Re: [TR] Fuel gauge follow up

To: "'Terry Geiger'" <tgeiger@shoalsbritishcars.org>, "'Triumph List'"
Subject: Re: [TR] Fuel gauge follow up
From: "Randall" <tr3driver@ca.rr.com>
Date: Fri, 29 Feb 2008 11:26:58 -0800
> Since the TR4 also uses an electrical temperature gauge, 
> isn't the voltage 
> stabilizer designed to have the full load of both the 
> temperature and fuel 
> gauge in the circuit?

Actually, it will handle the load of up to 3 gauges.  But since it's
operation is independant of load, it will continue to work correctly with
only one gauge (or none).

Might be a good time to point out that it doesn't really "stabilize" the
voltage ... it's output swings between 0 volts and full battery voltage such
that the _average_ is 10 volts.  It actually works rather like a "heavy
duty" turn signal flasher, with a resistance heater and a bimetal strip that
runs a pair of contacts.  If you hook a test lamp or meter up to it, you can
see it "flash".

Or, you could always pick up one of the solid-state replacements on eBay,
which do hold a constant 10.0 volts output (and probably will handle more
gauges to boot).

Randall
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