brake light & abs light on

[blu44]

94 ranger 2wd 2.3 - abs and brake light on. i have brakes on all for corners.
the truck is experiencing resistance and a noise is coming from the rear of the truck. i suspect something in the differential. i jack up the rear end put it in to gear and the passenger wheel was spinning faster than driver side.

 

[blu44]

update-i havent open the cover yet. i will soon once i get a little insight. its up on stands and the drivers side is barely moving when i give it gas feels like its in a bind. i'm expecting to see loose bearing.

 

[3rd Petal]

Check the brake fluid. Once the level gets low enough it will trip a sensor that turns the abs and brake light on. Before you pull the diff cover off, pull the drums off. You might have a seal that is leaking brake fluid, causing the lights to come on, then the leaked fluid is mixing with brake dust in the drum making something gunk up in the drum and drag

 

[fangotango306]

i would pull the abs sensor out of the top of the top of the axle and inspect it. i have had old ones crack and the wound magnet slides in enough to contact the abs wheel, causes drag and noise. you also do not have to drain it and pull the cover to check this first.

 

[blu44]

backstory when this started happening i had no e-brake and i knew i had a wheel cylinder leaking. i'm carpenter by trade mechanic because i have to be. so sometime things get put off. Tuesday i went through the whole braking system and fixed everything. e-brake works now and it only does it while in gear and the wheel its doing it on had no e-brake.

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the sensor being bad doesnt make sense since it only happening at one wheel. there is only one hydraulic line running to the diff and then it splits to each wheel. if the sensor was sending a bad signal it would bind both wheels. but i do agree cheap sensor like $15.

 

[3rd Petal]

Still sounds like it would be something in the brake to me. I would pull the tire and the drum off and have a look in there, should only take a minute and it would be pretty easy to spot if something was wrong in there

 

[blu44]

taking the drums off and seeing if it happens is my next test

 

[Chris_1]

First off the passenger side gets power first, then limited slip will transfer some to the drivers side. Then I don't think 94's had true 4 wheel abs - pretty sure the back wheels were tandem abs controlled by the speed sensor earlier mentioned. If you have a brake or bearing dragging you should be able to hear it if you jack it up and turn the wheels.
The ABS sensor is basically a magnet that reads the teeth in a gear - iron filings will stick to the magnet and tell the ABS that the wheel isn't turning which will trip the ABS light.
Just stuff to think about while you're investigating

 

[blu44]

here are some videos

inside of drum drivers side
https://www.youtube.com/watch?v=MSleerzQkPA

what i noticed here that the shoe wasnt coming back to proper position


i forgot to take my phone cover off on these but y'all outta get it

with drum on
https://www.youtube.com/watch?v=KpRu6VIAZyg


with out drum on
https://www.youtube.com/watch?v=IODZVuMnzRA

 

[blu44]

temporary fix

i removed the drum on the drivers side and put a plug in the brake line block on top of the diff. no more dragging. i got brakes on 3 sides. i know be careful. i am, i nvr drive over the speed limit.

the abs and brake light are still on. the abs light doesnt bother me the brake light does. i believe its a sensor.

 

[blu44]

somethings i know and am beginning to believe.
#1 i for sure have brakes.
#2 i am seriously thinking its the e-brake switch that keeping the brakelight on.
#3 after 99offroadrngr (on another form) mention the star adjuster i am beginning to believe that they gave me one for a 10" drum. why do i believe this because the other side all those parts were good so they got reused and no problem on that side.