This makes no sense to me....Truck was fine when i parked it, and the next morning i started it up and my abs light and my red brake light were on....(never touched the parking break, not that it works anyway haha) so i tried releasing the parking break, but that didn't do it, brake fluid is okay too, anyone have any ideas?
thanks


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Check the brake and abs fuses. If they're blown you'll get that.
Pull up on the brake pedal and see if they go off. There's a switch there and if it's broken it won't trigger to turn them off.

 

this is an ongoing problem for a few people nobody knows what it is. mine did it only when cold for months now it magically went away.. i im not kidding dont waste your time pulling your hair out[sm=headbang.gif]

 

It is usually the rear wheel speed sensor mounted on top of the rear differential..

 

i get the same thing, when the abs light is on though your *** does not have abs, have fun on a rainy day.

 

+1 on the speed sensor, fixed mine and both went away

 

Thanks a whole bunch guys, i read the replies at school yesterday and was driving home and going to check out that sensor in the diff. and on the way home both lights went out haha i was already short on time so decided to see if they would stay off...sure enough this morning they came on after driving a bit so i'm going to see if maybe the sensor is just dirty...i took the truck into the Rio Grande River last week and thats caused me som problems...i had to replace my front axle seals cuz of it and now maybe this has something to do with it lol. thanks for y'alls help!

 

Anyone know that part number for the rear speed sensor. Gone to Autozone twice now and they keep trying to give me the tranny sensor or front ABS wheel sensors. My light just comes on and off whenever it likes it seems. About time I give this a try.

98 2500 5.9L 4x4.
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I got the rear wheel abs speed sensor (as auto zone calls it) and replaced it and it fixed the problem RIGHT away! thanks a whole bunch