Paul_Hedley Posted June 10, 2016 Share Posted June 10, 2016 I was finally able this afternoon to get the car up on axle stands, and get underneath to do a bit of a visual inspection.There are electrical wires that run through the transmission tunnel, then out to the brake discs at the rear, one of which is barely still there. Can anyone tell me what these are for (I'm guessing it's something to do with the brake fail warning system) and what part I might need to replace at least the one that is failing? It doesn't seem to be far from the connector on the chassis to the wheel, so it's not a long section.ThanksPaul Link to comment Share on other sites More sharing options...
ECR Posted June 10, 2016 Share Posted June 10, 2016 Usually, that sort of wiring is for brake pad wear. There is normally a float in the master cylinder resevoir that will indicate low fluid .... Link to comment Share on other sites More sharing options...
SM25T Posted June 10, 2016 Share Posted June 10, 2016 Cable tied to moving anti roll bar droplink !!!! Someone wants shooting !! Link to comment Share on other sites More sharing options...
SM25T Posted June 10, 2016 Share Posted June 10, 2016 Is it for a speedo sensor looking at rear wheel ? Link to comment Share on other sites More sharing options...
DJ. Posted June 10, 2016 Share Posted June 10, 2016 That's what I thought, there may be a magnet stuck to a brake disc bolt, if so it is the speedo sensor. Link to comment Share on other sites More sharing options...
Paul_Hedley Posted June 15, 2016 Author Share Posted June 15, 2016 Further investigation revealed that whatever sensors these are, they weren't actually connected to anything (hence the lack of any actual wire in one not being a problem). I couldn't see any magnets, so I suspect these were brake pad/disc wear indicators at some point in the past life of the car, though here's a pic of the two sensors (one of which broke as I was removing it). Any thoughts?Gone now - the diet my car seems to be on is losing substantial weight in wire at the moment (some of it pretty badly installed, as per the cable tie to a drop link, and running a main battery wire along moving suspension parts .....)ThanksPaul Link to comment Share on other sites More sharing options...
Roger Ford Posted June 15, 2016 Share Posted June 15, 2016 Hall effect senders, I think. Put them close to the hub and they detect the bolt heads going past, and hence wheel speed. Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted June 15, 2016 Member Share Posted June 15, 2016 I agree. The brake pad wear indicators I've seen don't have anything like that, just a couple of wires.How many ways in the cable?Jonathan Link to comment Share on other sites More sharing options...
EEK Posted June 15, 2016 Share Posted June 15, 2016 Possibly Race Logic Traction Control system sensors Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted June 15, 2016 Member Share Posted June 15, 2016 Interesting... that could explain why they're bilateral. More, please.Jonathan Link to comment Share on other sites More sharing options...
Paul_Hedley Posted June 16, 2016 Author Share Posted June 16, 2016 Ah - that could well be right. I think that at some point in the history of the car, it had some sort of traction control system - there's a dial switch to the right of the steering wheel which we think was something to do with that.Thanks for all of your thoughts.Paul Link to comment Share on other sites More sharing options...
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