ABS lite

1999 DODGE CARAVAN
97,000 MILES • 6 CYL • FWD • AUTOMATIC
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BUXNBAAS
  • MEMBER
  • 4 POSTS
Howdy folks. I just replaced both rear brake lines running from the ABS pump to the rear axle. My ABS lite has been on for a long time now and I'm in the mood to make it go away. It came on after I bled the brakes a while back. I read somewhere that you have to do an ABS bleed requiring a $200 computer scanner. Any shortcuts to this? The local parts stores dont rent the computer tool, and I really cant afford the darn thing.
Jul 31, 2009 at 7:08 PM
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CARADIODOC
  • ✓Experienced Mechanic
  • 34,397 POSTS
ABS light doesn't respond to air in the lines. If there was air, you would have a low mushy brake pedal, and the red warning light would come on.

Normal operation of the yellow light is it should turn on for a few seconds after you turn on the ignition switch, then go out. If it goes out but comes back on right away, suspect a defective sensor or cut wire to one of them. If the light stays off, but comes back on AFTER you start to drive, (from a few yards to a mile), suspect a cracked tone ring on a cv joint or inside the rear brake drum.

If the light comes on right away and doesn't even flicker, suspect a blown fuse, commonly caused by a shorted trailer wiring harness. The computer always has a second power source through a second fuse to run the warning lamp.

caradiodoc
Mar 1, 2021 at 4:57 AM
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BUXNBAAS
  • MEMBER
  • 4 POSTS
Thank you, I will look at and/or remove the trailer wiring harness, we dont tow with it anyhow. I will check all the fuses also thanks a billion. :)
Mar 1, 2021 at 4:57 AM
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