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Speedo stopped working & ABS light on (again)
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Author:  Andrew_S [ Sat Aug 31, 2013 10:07 am ]
Post subject:  Speedo stopped working & ABS light on (again)

Can someone please offer some advice - the speedo stopped working and the ABS dashboard light stays on on my 2002 Cherokee (KJ) Liberty, 2.5 CRD Ltd.

When this happened previously I searched on this forum which pointed me to the ABS sensor on the rear diff. It appeared to be a lose connection at the sensor, so I just taped the wires up and bent the handbrake retainer away as it was fouling the sensor/wires - the speedo worked and the ABS lights went out and all was well for about 4 months. Unfortunately that didn't work this time!

So assuming the ABS senor was faulty it was replaced, but no change.

What else should I look for and where - I looked to see if the sensor and speedo were fused, but it appears not??

Advice most welcomed.

Many thanks
Andrew

Author:  CRD Joe [ Mon Sep 02, 2013 10:00 pm ]
Post subject:  Re: Speedo stopped working & ABS light on (again)

Same thing happened to me. Its the speed sensor. The trouble is the entire assembly has to be replaced. I tried the sensor but it blew out soon after. The entire assembly (500.00) had to be replaced.

Author:  Andrew_S [ Tue Sep 03, 2013 1:24 pm ]
Post subject:  Re: Speedo stopped working & ABS light on (again)

Thanks for the heads-up, I think I'll try a few cheap fixes first - next step is to replace the ABS switch connector and wiring, see: http://www.ebay.co.uk/itm/171113332812?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2648

Image

Cheers

Author:  swiftv8 [ Tue Sep 03, 2013 7:16 pm ]
Post subject:  Re: Speedo stopped working & ABS light on (again)

Go back to that rear diff sensor and inspect the wires going to it. I'm a Jeep tech and have found many "green" corroded wires in this area.

Author:  Andrew_S [ Wed Sep 04, 2013 12:41 pm ]
Post subject:  Re: Speedo stopped working & ABS light on (again)

Thanks for the tech-tip and I suspect you may be right - hopefully replacing the connector and wiring will cure the problem.

Cheers

Author:  Andrew_S [ Mon Sep 16, 2013 1:44 pm ]
Post subject:  Re: Speedo stopped working & ABS light on (again)

swiftv8 wrote:
Go back to that rear diff sensor and inspect the wires going to it. I'm a Jeep tech and have found many "green" corroded wires in this area.

Spot on, thanks!

I replaced the connector with one of these - http://www.ebay.co.uk/itm/171113332812?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2648

Cheap fix, thanks again.

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