'88F150CountryBoy

My rear antilock light is on in my '88 F150. I was told that it was probably the sensor in the rear differential that was out. Is there any way i can check that or do I just need to buy a new one and try it.

Thanks, Mike

Just call me Sean

iTrader: (1)

I don't know if you can check it but you can try cleaning it first. They get built up with crud and don't like to count the teeth.

twrh111

mine was on in my 94. it ended up being a leaking cylinder in my right wheel. replaced cylinder and shoes and all was well.

SilentJ20

Check the brake pad wear. Mine was on before I did the rear brakes. After new pads and adjustment, the light hasn't been back on. May have been coincidence though.

'88F150CountryBoy

So I checked the sensor and it just had a little oil on it so that's not the problem I also checked my brake pads, they're fine and as far as I can see all the wiring all the way is fine. Does anyone know where I can get the sensor.

Thanks, Mike

spencer

This posting was up a long time ago, but i did have the same problem in my pickup, and it was the sensor, it was clean as can be just went to crap, ordered one from napa, and all is good now

Warlockk

Don't know why were dragging this up, but when a light comes on the computer is trying.to tell you something. Pull the codes first. You don't even have to get dirty for it.

sleepr89

My 89 has a specific light just for rear abs. Kinda hard to miss the problem with one of those lol

jstuhlman

so i have a 90 f150 5.0 4x4 and my break light and abs light will randomly come on and i have pulled codes when the light comes on and i dont get a code so should i replace the sensor?

sylver91

The RABS should have its own diagnostic port under the drivers side dash. Apparently if you turn off the truck, it erases the code until it comes on again, so you will have to try and reproduce the cause of the light then get the flash readout.