Lotus Elan

So what do I do now?

PostPost by: Robbie693 » Tue Aug 01, 2006 4:32 pm

As it turns out my apparent overheating problem looks like the gauge is telling porkies.

I checked it with a temperature gauge/probe and it looks like the engine is about 20deg cooler than the car's gauge suggests.

Is this purely the gauge at fault or could it be something else?

Cheers

Robbie
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PostPost by: MintSprint » Tue Aug 01, 2006 5:50 pm

Surely your best option is to fit a new gauge?

No reason to suspect that if the gauge was faulty there is any other problem with the car's cooling system, but I assume you wont feel comfortable driving round with a gauge you can't rely on. If the temperature stays within normal operating limits once a new instrument is fitted, then you can rest easy.
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PostPost by: john.p.clegg » Tue Aug 01, 2006 6:57 pm

You have three options:-
The gauge
The sender
The voltage stabiliser

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PostPost by: Robbie693 » Wed Aug 02, 2006 8:43 am

Yeah, I thought about the Voltage Stabiliser, am I correct in thinking that it's part of the alternator and the only fix would be a whole new unit?
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PostPost by: iain.hamlton » Wed Aug 02, 2006 9:46 am

The voltage stabilizer is a nasty little electrico mechanical thingy at the back of the dash. It provides 10 volts for the fuel and temperature gauges. There are now much better, cheap (less than a tenner), solid state electronic ones. Suggest you get one - look at ebay, and specify positive or negative earth. Fit this before even looking at the gauge or sensor.

best regards, iain
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PostPost by: john.p.clegg » Wed Aug 02, 2006 1:12 pm

Robbie
John.p.clegg retails these uprated (solid state) voltage stabilisers built into original cases for negative earth fitment only at about £10:00 plus P+P,guaranteed accurate to 0.1v...
Drop me a line if you're interested
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Is that me? :?
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PostPost by: triumphelan » Wed Aug 02, 2006 1:12 pm

Any photo`s of the voltage stabilizer so I will know what to look for
Regards John 1969S4DHC
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PostPost by: john.p.clegg » Wed Aug 02, 2006 1:20 pm

Try again,something like this.....

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PostPost by: Robbie693 » Wed Aug 02, 2006 1:28 pm

Hmm,. After Iain's post I checked my manual and it said that the Voltage Stabiliser for the charging circuit is now built into the back of the Alternator (17ACR).

So is there another one for the gauges behind the dash then?
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PostPost by: types26/36 » Wed Aug 02, 2006 1:32 pm

Robbie,
You are getting a little mixed up here, the charging circuit has a regulator to control the output of the alternator and the gauges have a stabilizer to feed them with a constant voltage to "stabilize them"
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PostPost by: types26/36 » Wed Aug 02, 2006 1:34 pm

john.p.clegg wrote:Try again,something like this.....

John :wink:


:shock: :shock: John is that a stelf bomber I dont see!
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PostPost by: iain.hamlton » Wed Aug 02, 2006 1:36 pm

Robbie.

The thing your looking for is this:

http://www.holden.co.uk/picDisplay2.asp ... 70_118.jpg

it is behind the speedo or tach. It just does the instruments not the charging.


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PostPost by: Robbie693 » Wed Aug 02, 2006 1:39 pm

Ah, I see, thanks Brian.

If this stabiliser was playing up, would anything else be showing symptons aswell?

The fuel gauge works ok, oil pressure is steady but only reads 32psi, voltmeter never seems to go into the on charge side I but never have any charging problems either, oh and the clock doesn't work but I think thats something else.

edit: Thanks Iain for the pic, seems we posted at the same time :D
Last edited by Robbie693 on Wed Aug 02, 2006 1:44 pm, edited 1 time in total.
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PostPost by: types26/36 » Wed Aug 02, 2006 1:43 pm

As far as I know the stabilizer only controls the temp and fuel gauge.
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PostPost by: john.p.clegg » Wed Aug 02, 2006 1:44 pm

Brian

Never did get the hand of this electrickery thing...
John :wink:


Robbie

Yes,the fuel and oil gauges will also be reading wrong,but with them all being dampened it's difficult to notice the readings change with engine revs (voltage fluctuations)

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