johnv Posted January 23, 2012 Share Posted January 23, 2012 can anyone tell me where the (non sensor) end of the wire connects to? does it go into the engine loom (in which case I probably haven't connected it back up), or connect somewhere else? (I don't really want to have to undo everything to trace it back if possible!) thanks or would the AP big calliper conversion cause the sensor to cease to function for some reason? Link to comment Share on other sites More sharing options...
charlie_pank Posted January 23, 2012 Share Posted January 23, 2012 No idea where Caterham fit them, but my stack sensor is on the offside front wheel mounted very near the caliper. Perhaps you dislodged it when fitting the calipers? Link to comment Share on other sites More sharing options...
johnv Posted January 23, 2012 Author Share Posted January 23, 2012 I think the sensor's ok, but I may well have messed up the other end as I put a new engine and loom in .. it's really the route to the stack that I need to check I think or I may have put the sensor back upside down I suppose? although it looks to be inline with the disc bolt heads Link to comment Share on other sites More sharing options...
Adrian Williams Posted January 23, 2012 Share Posted January 23, 2012 The sensor plugs into the stack unit and doesn't go via the loom on my factory built K. The sensor needs to be very close to the bolt heads in the hub so might need adjusting if it's been apart. I hope it's been put in with copa slip or it will have seized and no longer be adjustable. Adrian Link to comment Share on other sites More sharing options...
johnv Posted January 23, 2012 Author Share Posted January 23, 2012 thanks Adrian .. the bolts should come out ok, I think I copaslipped then, and they've only been in for 2 trips out! My stack (standard Caterham) just has one plug at the back which seems to do all functions , the cable from the sensor must make it's way into this plug somewhere, or does it go straight into the plug? either way, I guess it's more likely to be the sensor as that's the bit that has been off and on. Link to comment Share on other sites More sharing options...
Adrian Williams Posted January 23, 2012 Share Posted January 23, 2012 John, the adjustable bit of the sensor is the sensor itself within the locating tube via the lock nut, not the bolts that hold it on. I finished up with a new sensor and bracket. Stack thoughtfully fit an led to the sensor which lights when it senses the bolt head so that you can see if it's working. Thew bad news is that the standard CC bracket covers up the light so that you can't see it. The single quick release plug at the back of the display feeds a combination of standard Stack loom where some wires are spliced into CC loom and others which terminate with Stack plugs for Stack sensors. The speed sensor as the latter not the former. Adrian Link to comment Share on other sites More sharing options...
johnv Posted January 23, 2012 Author Share Posted January 23, 2012 ok thanks, it sounds like my problem will be in the sensor adjustment, I'll take it apart again ... Link to comment Share on other sites More sharing options...
Mark w Posted January 24, 2012 Share Posted January 24, 2012 John Me again ! 😬 when i built my R400 the stack speed sensor had a cable on it about 1.5m long , it connected to the loom via a waterproof female socket in the transmission tunnel just below where i didn't fit a heater . Link to comment Share on other sites More sharing options...
johnv Posted January 26, 2012 Author Share Posted January 26, 2012 can you remember whether the sensor is mounted between the calliper and the hub, (bolt, calliper, sensor, hub) or bolt, sensor, calliper, hub? what sort of gap is there between the sensor and the bolts? thanks John Link to comment Share on other sites More sharing options...
Angus Posted January 26, 2012 Share Posted January 26, 2012 John The order is bolt, sensor bracket, calliper, hub. Gap between sensor and disc bolts 2-3 mm. The procedure is described in the assembly guide: section 16, p14 (p144 of the pdf) Angus Link to comment Share on other sites More sharing options...
johnv Posted January 26, 2012 Author Share Posted January 26, 2012 thanks Angus that's the way I have it, I think I have the gap too large. more trauma with the dash, new thread started ! Link to comment Share on other sites More sharing options...
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