Crankshaft position sensor wiring

Started by bobmcc13, April 19, 2020, 12:19

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bobmcc13

Following problems that I had with a 1349 fault I was advised to check the wiring at the sensor, particularly the earth connection.
Sure enough I found the the connection was rotting away.
The connection was cleaned up and re-terminated.
While doing this job I found the the earth wire was rotting and every time I moved it the wire broke.
I decided at this point to replace the wire but found that it disappeared into a tube and climbed up behind the alternator never to be found.
Could someone on the Forum tell me where the other end of the earth wire is so that I can replace the length and re-terminate both ends with proper wire and terminals.
I hope all this makes sense and I thank you in advance.

Bob McC.

Carolyn

The earth wire disappears into the wrapping and does not re-appear at the plug end. I'm loathe to slit my spare open to see what gives... The wiring goes to a two-pin plug that is clipped to the dispstick tube up behind the alternator.  It is possible to get at it - but it's a piglet.

Here's a pic of the sensor off the car.  Where the other end of the earth goes is a mystery....It does not make a circuit to either pin in the plug.

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thetyrant

As C says access is not good back there!  here is a pic i found of engine loom on SC forum which shows where the connectors go in that area, doesnt really help you but good reference for anyone working in that area.

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bobmcc13

Thanks for the info guys you have saved me many frustrating hours searching for a connector that isn't there.
It occurred to me that it could be a sort of earth shield around the red and white wires within the tube.
It will remain a mystery that warrants some research but no messing around under the car.
Thanks again for your help.

Bob McC.

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