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Post by headcoats on Aug 20, 2018 15:18:36 GMT 1
I take it their are loads of different senders out there but what do you need to look for to work on a standard LC gauge ?
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Post by earthman on Aug 20, 2018 15:55:06 GMT 1
Good question, I know that the connections can be different, spade terminal vs bullet type so you may have to alter your wiring.
Apart from that there's the body length and thread size but I guess that you've thought of that already?
I do wonder about the internals, are they and all the gauges calibrated to work with each other/give the same reading??
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Post by Tobyjugs on Aug 20, 2018 16:18:03 GMT 1
You need to check the resistance of the sensor at several different controlled temperatures then you can plot a graph. Do it with an original sensor and a replacement sensor to see if the graph is the same. I have used inline resistors in the past to create the correct temperature reading on a gauge but under and above this it can give false readings.
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Post by headcoats on Aug 20, 2018 17:40:21 GMT 1
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Post by headcoats on Aug 20, 2018 21:22:24 GMT 1
Found this on the RZ site
Quote
I tested a spare one from an LC2 a little while ago and you basically connect a multimeter set to ohms with one lead on the tab where the single wire fits on and the other lead goes round the round part below the threaded section that goes into the coolant. If you put it in hot water the resistance should increase as the water cools. The manual says with the water temperature at 100 degrees C you should get 27.4ohms, at 80 degrees C 52.1ohms, at 60 degrees C 104 ohms and at 40 degrees C 240 ohms.
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Post by donkeychomp on Aug 20, 2018 21:54:54 GMT 1
I know there is a Land Rover one on eBay for £1.98 that does the job but buggered if I know where that info came from!
Alex
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Post by Tobyjugs on Aug 20, 2018 23:05:12 GMT 1
300 TDI sensor
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Post by donkeychomp on Aug 21, 2018 0:47:08 GMT 1
And we have an answer. Cheers Toby!
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Post by headcoats on Aug 21, 2018 9:27:49 GMT 1
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