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Open the fuse panel by pulling down on the fuse panel cover in the driver's side footwell.
Locate the fuse for the ABS sensor using the fuse diagram on the underside of the fuse panel cover.
Pull the fuse for the ABS using the fuse pullers in the fuse box.
Check the fuse for the ABS. If the fuse is broken or damaged in some way, then replace it with a new fuse of the same amperage. The ABS light could come on if there is a short in the system and it blows the fuse.
Turn the ignition to the "On" position but do not crank the engine. If the ABS light comes on, crank the engine. If it stays on for more than five seconds, there is a failure in the ABS system, and it needs to be serviced by a professional mechanic. GM Tech2 GM Diagnostic Scanner with 32MB Card and TIS2000
mostly on left driver side along with other fuses in the fuse box. more fuses are located underneath top of brake pedal but not abs. check each fuse. could be bad abs module. replace with used one or repair the wire broken in it.
Many of the master cylinders have connection for a brake light pressure switch. Some also active the brake lights by placing a switch directly under the brake pedal. You may need to build your own bracket.
It means there is an issue with the anti lock braking system (ABS). If the warning light has come up it is likely that the ABS is no longer functioning. It is still safe to drive the car and it will brake as normal but the anti lock safety feature will not operate.
You need to have it checked out for faults. The most likely cause is a failed ABS wheel speed sensor which needs to be replaced. There could alternatively be a problem with the ABS pump which is causing the warning.
There is one item you can check yourself. There is a dedicated fuse for the ABS pump/motor. Check the owner's manual and locate the fuse for the ABS motor and check that the fuse has not blown. If it has blown replace it with a fuse of the correct amperage and road test the car. (So if it is a 40 amp fuse for example, make sure a 40 amp fuse is used to replace it.)
hi that could be a faulty abs sensor, or sticking, there are 4 of them located at the back of each rotor. Unplug and test current with a test light. Make sure to test your fuses also abs fuses, would ether be in the car or under the hood in a black box. check your owners manual for proper were abouts of the fuses also should be located on the fuse box cover.
There are a total of 5 fuses for brake and abs functions 3 in central fuse box on the drivers side inside truck fuse #9 - 7.5 amp fuse #10 - 10 amp and fuse #11 - 7.5 amp then there are 2 big fuses under the hood in the main battery fuse box next to the battery fuse # 6 - 50 amp and fuse # 28 - 30 amp
The ABS relay should be located in the fuse box located on the drivers side inner fender in the engine compartment. Lift the lid and check the location diagram on the inside cover to locate the correct relay/fuse.
A related issue may be a loose ground wire. There is one located on the top rear of the engine block. It is a bolted connection. Remove this bolt, clean the surfaces and replace. This simple step has cured many electircal issues on these trucks.
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