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

ABS problem

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Old Apr 28, 2021 | 12:51 PM
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Default ABS problem

Hello, So I am working on my 89 6 spd coupe ABS. The ABS light comes on and stays on. When I turn on the key. I can hear the module relay click. Is the pump supposed to do anything? Any noise or vibration. I have replaced the two relays on the pump motor and I ordered the module relay.
The sensors have good resistance about 1 K ohm.

Thank you
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Old Apr 28, 2021 | 07:49 PM
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When you shift the transmission into drive and the car starts to roll, the ABS pump should do a self check cycle. It should sound like a buzz or whirl sound for a few seconds.
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Old Apr 28, 2021 | 08:07 PM
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Thank you. But, my car does not have a drive, LOL. It's a 6 spd. But I know what you mean. Can I do this with the car on a lift? Thanks again
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