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-   -   2 Wires Cylinder Heat Temperature sensor vs the single wire one (http://forums.pelicanparts.com/porsche-911-technical-forum/622571-2-wires-cylinder-heat-temperature-sensor-vs-single-wire-one.html)

JJ 911SC 08-02-2011 01:43 PM
2 Wires Cylinder Heat Temperature sensor vs the single wire one
 
Quote:
Originally Posted by syncroid (Post 5195637)
The new head temp sensor is a two wire sensor. The old one is a single wire.
OK a search yield the above.

What is the difference between the 2 (beside the wire numbers) and if the 2 wire is the new type, when was it introduce?

Since mine is a conversion fitted with the 2 wire one, the introduction date may give me a reference date for the conversion.

Thanks

JJ

LJ851 08-02-2011 03:13 PM
The 1 wire sensor grounds through the body of the sensor, the 2 wire switch grounds through the second wire (more reliable)

JJ 911SC 08-02-2011 03:17 PM
Thanks

1 question down, 1 more to go (introduction date)...


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