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brake wear sensor wire harness : which wires to short

bryanl

By bryanl
in 924, 931, 944, 951, 968 Series

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bryanl Member

bryanl

Posted
Posted

'87 944 na

I want/need to short the brake wear sensor wire harness for any of my brake pad sensors to isolate a problematic harness - and also to turn off the "brake pad" warning light in the instrument cluster.

N.B. this is the bundle of wires upstream of the sensor in the pad - there are plenty of discussions about those sensors, but little about the harness.

One problem is understanding the Porsche service manual diagram (section 97, sheets 3-4). I know the colors in German, but I doubt my conclusion about which wires to connect is correct. e.g. it looks like the front left sensor has a black wire, the FR has a brown/white wire, that both lead to the "front wire harness". so to short both front sensors : connect black to brown/white?

I also do not understand why the sensor - which I figure has two wires - connects to a harness with a lot more wires coming out of it, and the consequence of connecting the wrong wires - e.g. I see connections to the temperature sensor, brake fluid reservoir, etc.

-Bryan

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