brake indicator and abs light

[CanadianRanger]

I was on my way to to work, and i was stopping on a fairly steep road,all of a sudden the red BRake light and the yellow abs lights came on. The brakes worked fine and still do. The red brake/ ebrake light flashes on and off sometimes when driving, but as soon as the truck is started about 10 sec later the abs light comes on and stays on until i turn the vehicle off.
If any one has any ideas, any help would be aprreciated. Thanks in advance, Dave.

[cougarman]

Check brake fluid level . Low fluid can cause both lights to come on, even if down a little

Cougarman ( CDN. )

[CanadianRanger]

thanks, youd think i would have thought of that but oh wellmy brain wasnt working that night, that was the problem, the level was down like 1/4 inch from the max line and i guess the movement of the vehicle was causing it to dip below the sensor, thanks for the help

[cougarman]

Just one more note.

Brake fluid level naturally drops to compensate for brake pad/shoe wear since the hydraulic caliper and wheel cylinder pistons have to travel further to apply the brakes.
Check all 4 brakes for wear , you may be close to needing new brakes and it's better to find out now than after damaging rotors or drums.

[CanadianRanger]

I was thinkin that too, but i only have about 25000km on the brakes that i had done, so i looked a little closer. It turns out that the bolt that holds the spare tire to the carrier had come loose and the spare slid back into the t-connector on the differential, and had just cracked the brakeline, so when the pedal was pushed you could just see it bubbling. easy fix once i repaired the line and bled them. Thanks for your help