tomsherwood

Hello!

I recently switched the rear hubs on my 1998 2.5L Boxster for some from a 1999 2.5L Boxster.

I now have an ABS light on my dashboard… are there any differences between the two?

What could be the problem?

trygve

No difference of any significance between those years/parts. Diagnosis may depend on when the ABS light comes on. Check the wheel speed sensors; that they're inserted and mounted correctly, plugged in to the wiring harness correctly, etc.

At one point I got the ABS light (and ABS not working) and eventually traced it down to bad section of (or short in) the wiring harness segment leading to the wheel speed sensor connector. Figured it out by spinning the wheel by hand and wiggling the wiring to make the ABS light come on -- revealing which corner had the problem. I had to get a replacement ABS harness and splice it in near the battery. The wiring is 25 years old, so not impossible for such issues to arise....

advrider1967

You may not have any issue sat all. You need a good ODBII reader, pull the fault codes and see what they indicate. IIRC if you disconnect the ABS sensor lead without disconnecting the battery first, you might set an ABS fault for the sensor (or was it with the key in the ignition?). In any case, fault codes will tell you where to go.