C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

constant anti lock light

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Old Nov 11, 2012 | 01:40 PM
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Bigbobvette1989's Avatar
Bigbobvette1989
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Default constant anti lock light

I had the anti lock light on the information panel come on and will not go off. It is a 1989. The fuse for the brakes, guages and instruments is also blowing. I was driving the car, and stopped at a store. When I came back out to crank the car the light came on and stayed on. The system did not ever go into its diagnostic cycle even after putting the car in gear.

Any ideas?
Old Nov 11, 2012 | 07:47 PM
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wheel sensor wire is damaged or a sensor. The wires get broken and the sensors get broken by worn out wheel bearings that knock the tip of the sensor off. Dirty sensor rings also cause the ABS lite to come on. Once 'on' its not going to cycle or operate.
Old Nov 15, 2012 | 08:00 PM
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Ok. Thanks. I have a mechanic looking at it now. I will talk to him to check the wheel sensors.
Old Nov 23, 2012 | 07:42 PM
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Default constant anti lock light

This may sound too simple but....on some cars with anti lock brakes if the third brake light bulb burns out, the anti lock dash light will stay on.
Old May 15, 2023 | 11:39 PM
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Originally Posted by Kentuckian
This may sound too simple but....on some cars with anti lock brakes if the third brake light bulb burns out, the anti lock dash light will stay on.
it’s funny you say that because on my 87, a buddy pointed out that a bulb in my third brake light was out, however, I didn’t get the “anti lock” light at the time.

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