Series 3 Voltage stabilizer

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The roots of Lucas electr(on)ics are firmly planted in the Dark Ages when someone asked for light and a Viking called Lukas Lukassen banged his head against a solid rock to make sparks with his tin helmet so that a torch could be lit. Later, a straight descendant of this early lighting pioneer started to make electrical components for motor vehicles, totally unaware of the early lighting experiments by his distant forebear. Another little-known fact are the Swabian origins of some other forefather. (Swabia is in what is now known as South Germany and the Swabians are the Saxon tribe that was shamefully expelled from Scotland for being cheap). So, there may have been some cause for concern by combining alleged hereditary concussion and cheapness when the fabrications by the Prince Of Darkness reached the early automotive market. At least that is what I deduct from having used their products (of course, I may be wrong, this is only my personal view), first in a 1951 Triumph TR2, in a TR6 later and, since 1980 in a Land-Rover 109 V8 a.k.a a Stage One.

So if one is interested in the evolution of Lucas motor electrics since its early years up to date one can basically say that there was little evolution until, at least, 1980: confusing wiring colours, crappy diagrams in which wiring colour changes under way, cheap switches made from the cheapest components available by the cheapest workforce available and some of the lousiest connector lay-outs ever seen since Josef Lukovitch Lukarenko tried to re-wire a Krapovitch half-track in 1917 for the Bolshevik forces during the October Revolution thereby causing an instrument panel fire that eventually led to the explosion of a trainload of artillery ammunition in the enemy camp whereby half of the Tzarist forces were blown into the next week thus allowing for a Soviet State to come into existence and 70 + years of ****ty USSR electrics.

It is also suspected that Lucas Electrics have, over the years, occasioned more additions to the Dictionary Of Foul Language in the UK only than all galley slaves together during the whole existence of the Roman Empire. You will certainly understand my reluctance to illustrate this, although the well-known German Randsteinschlotzer's swearword "@#$$!" seems to be a close derivative of its UK "@#$$!!" rat catcherŒs and night soil collector's counterpart which, in turn, is often used by anyone who has ever come within a mile of anything made by Lucas.
 
Draws only milliamps so your 1A 7809 would do it, especially as the spec says that three-terminal positive voltage regulator in 3-pin TO-220 package can hack it. Operational temperature range from -45°C to 70°C, and if your Landy ever sees those extremes I will be surprised.

Your fuel and temp gauges will probably die of shock from the constant voltage.

CharlesY
 
thanks slob - that is why my multimeter was bouncing about. booga - still dunno if its dodgy or not and local stealer wants £20 fur one - special delivery :eek:.

I can see me having to design one around a 7809 regulator. wotcha reckon - 1a max for the meters - cant see it being more than that - maybe i need to measure the current too:(

Having a laugh are they not?
I bought one for under a tenner.
Your temp guage over reading is it??
 
It's nominally 10 volts if is in good nick. You can get a solid state one for £8 quid on ebay - excellent ourchase, and don't pack up with time. I've got 2 for my vehs.
 
Mad Hat - 10 Volts is in the manual, and also confirmed it with both of my multimeters. The LUCAS ones are original yes but constantly swtitching current on and off so that effect is 10 volts (ISH). The great thing about the solid state items of ebay are that they maintain a rock steady 10Volts, and are cheap and easy to fit. I swear by them. £7.99 on ebay. At least you'll know one thing in your gauge circuit is working.
 
That's exactly what mine did on the multi meter, which is why I bought the solid state one - its made a complete difference; now I have total faith in the readings of both gauges.
 
You can make one cheaper, but since I was jest about to take my dash off & fit one of those two spare bi-metal jobbies I pinched off you Daft, I jest bought one of the ebay ones! ;)
 
ffs Marcus - givem back - I am in the process of makin up electronic ones and I need duff ones fur the cases.

I reckon about £2.50 each exchange. I got one to show yu - but i spose its too late now :(
 
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