I turn the ignition on and the abs light is on. I start the car, it goes out. However, WITHOUT moving a couple seconds later it comes back on. I have tried swapping all components(relays, computer) and have tested the relays, pump and valves by using different jumpers at the computer connection. They all work correctly. I have tested to make sure computer is getting the correct voltage. All wheel sensors have an ohms value of approx 750 ohms. This is racking my brain trying to figure it out! Why would the light go out but come on a few seconds later, WITHOUT MOVING?
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Ready for it??? I had a bad coil wire so the one I replaced it with was longer. Anyway, I secured that wire not thinking where i secured it. I secured it right by the front passenger abs sensor wire. I fell victim to induced voltage!!! I moved the coil wire away, and the abs light stayed out after starting, I put it back, and it came back on. The abs computer was sensing the induced voltage and throwing a fault!! There's a new one lol. Well it fixed now.
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