Looking for a hydralic diagram for abs brakes on a chevy 2500 pu

express 1500, 2500 or 3500
USA car? or not?
ABS?????
wws= wheel speed sensor.
sure and is in the manual to read at any time.
AWD OR RWD CAR, ALL WHEEL OR REAR WHEEL DRIVE?

AT THE REAR OF THE CAR AT DISKS. IS FLEX CABLE
there 1500 there is a large flex cable, this is emerg. brake cable
there is brake hose flex rubber hose, this is not it either
then the small wire elect cable (with snap connectors) this is it.

same on most cars made, 4 speed sensors, 2 front 2 rear
all look kinda the same but are not.exactly.

Are the numbers on the case the same. should be the same thing .

GM transfer cases have a tag on them for what model they are. If same model on both tags they should be identical.

check the belt for your alternator may be loose .and check the output of your alternator should be 14.1.

You will need the wiring diagrams to troubleshoot this, we do not have them here at fixya, sorry. They can be bought used here if you would like

CAR IS NOT SAFE TO DRIVE.SOUND LIKE YOU HAVE PROBLEM IN THE HYDRALIC MODULATOR SOLENOIDS IN THE ABS HYDRALIC MODULATOR UNIT.THE DEALERSHIP NEED TO CHECK AND FIX.WHEN WORKING WITH ABS BRAKE SYSTEM YOU NEED DIAGNOSTIC EQUIPMENT TO FIX ABS BRAKES.

YOU NEED A SCAN TOOL TO BLEED BRAKES.THE SCAN TOOL REACTIVATE HYDRALIC BRAKE MOTOR.YOU CAN RAISE VECHICLE WHEELS OFF GROUND SUPPORT SECURE SAFELY. ALLOW DRIVE WHEEL SPIN 5 MILES AN HOUR WHILE VECHICLE OFF GROUND THE WHEEL SENSORS WHILE WHEELS SPINNING WILL ACTIVATE ABS HYDRALIC MOTOR TO BUILD UP BRAKE FLUID PRESSURE.THEN LOWER VECHICLE TO GROUND.MAKE SURE MASTER CYLINDER BRAKE FLUID LEVEL CORRECT THEN BLEED BRAKES IF BRAKE DONT FEEL FIRM OR SOLID DONT DRIVE HAVE VECHICLE TOWED IN.GARAGE WILL HAVE TO USE SCANNER TO BLEED BRAKES.

no all hydralic with electrical ABS system

Have you checked the coil

push the pedal and see if it goes to the floor slowly or fast, if so,some thing like this i would lay on the ground in the back and have some one push the pedlal and hold it, look for fluid, like wet spot near the wheels first ( i have seen wheel cylinder go bad but not leak alot at one time so keep that in mind too) and make your way to the front on the driver side inside of the fram.i dont think its the master cylinder but see if you can see a wet spot at the bottom of the master and the booster( i seen masters not leak as will )

leaks will make the ABS lite come on