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ABS sensor harness / loom - where does the other end join to?

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Hi, 

Short version.

Anyone know where the wire ends that leaves wheel arch (top corner) belonging to the ABS harness from ABS sensor mounted in hub of wheel?

The new part £73 (wire harness only) has bare wire at other end. I am competent with crimp electrical connectors but don't want to buy a part that requires taking fuse box out/to pieces etc.

 

Another story - if you buy the electrical connector they don't come from Skoda with the two wires in place (this was the expansion tank connector). Parts guy told me the workshop pin wires in place when they do this work.  

 

Anyone know of a tool that does this? Soldering would melt the plastic etc.

 

Long version ... Read on.

ABS ESP light illuminated after startup. VCDS identified fault 00285 to front right ABS sensor, implausible signal.

 

I replaced hub, wheel bearing and ABS sensor 3 years ago. The wiring quick release connector tab broke. It has been held in place with silicone sealant. I guess the inclement weather had taken its toil.

 

I took wheel off and disconnected quick connector and cleaned with electrical connector oil, dried, wiped and reassembled with silicone around the overlap of the connector.

 

The DTCs were cleared and no errors today. Time to buy a new part.

MOT next week.

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Straight to the ABS module under the ECU, I think, but will check any sec.

£73 for a connector with a length of wire on it sounds mad. I'd be surprised if you/we can't find a connector that does come with wire tails pre-installed, which you could just extend as necessary with something like 0.5mm pond cable (similar rubbery outer to the OEM cable).

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Front right sensor (G45) to pins 6 and 18 of ABS module connector:

 

Screenshot 2022-02-18 15.45.45.png

  • Author
29 minutes ago, Pete_Ex-Wino said:

under the ECU

Hard to get to?

The silicone will probably hold up, plumbers gold stuff is good adhesive as well as a sealant. 

 

35 minutes ago, Pete_Ex-Wino said:

find a connector that does come with wire tails pre-installed, which you could just extend as necessary with something like 0.5mm pond cable (similar rubbery outer to the OEM cable).

This option above sounds doable

I have crimps, heat shrink and I could use sealant to encase the joint.

 

 

 

31 minutes ago, Pete_Ex-Wino said:

£73 for a connector with a length of wire on it sounds mad

Tell me about it. This is cheap compared to...

 a Peugeot convertible door handle sensor to drop windows 1cm to clear folding roof. £170 new. 2nd hand part £15 failed, so I had to bite the bullet. 

 

Thanks

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2 minutes ago, bmbmdmb said:

Hard to get to?

The silicone will probably hold up, plumbers gold stuff is good adhesive as well as a sealant. 

Yes, and yes, I'd join it in somewhere closer to the wheel, just making sure to waterproof well. Or just bodge it better as you say.

  • Author
On 18/02/2022 at 15:42, Pete_Ex-Wino said:

find a connector

I didn't look for the part number on the connector when fixing my car, but after sending out a few messages using my car details I got back part number 8T0973702

The shape looks correct, but this item is not wired.

https://www.ebay.co.uk/itm/143368743457

 

The other searches either don't offer number plate matching or list the cars that do match, all early Skoda Octavia models and then VW Golfs etc. 

 

I private messaged you my registration.

 

Any suggestions of where to look?

 

PS There is a tool used to 'pin' the wire, loads of various shaped flat tooth pick end like metals. Looks like fiddily work.

 

Thanks

 

 

 

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Thanks for that.

I'll see if I get that part number off the connector and report back in next few days.

  • 1 month later...
  • Author
On 20/02/2022 at 12:02, Pete_Ex-Wino said:

Tempted to get myself one as a standby TBH. 

Short version - I'm not much help.

 

The sealant worked and ABS light was cleared and has not returned. Car passed MOT.

I recently put my summer wheels on and had a look at the part number as promised.

It was hard to read I am only clear about a few characters/digits.

1SQ 975

I was going to disconnect the other abs connector to get a better look but the plastic felt rigid and brittle and guaranteed for the clip to break, like the other side.

 

Since you suggested that updated part number the eBay vendor has a numberplate compatibility of that part. It does not fit it now states.

 

Not sure if this is relevant but the Wiki Ross Tech site had a warning against ABS fault codes read by VCDS, namely that using the wrong cable/ part number to the ABS sensor (even though) the connector fitted) produced ABS fault codes. Maybe the gauge/bore of the cable was less than original OE cable?

 

Of interest was the difference in normal  braking with the ABS system showing an error vs fixed and working normally. Not sure if the ABS works well before any wheel locking up and sliding is apparent.

 

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