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Thread: ABS and Brake light randomly come on.

  1. #1
    Join Date
    Sep 2010
    Location
    Arkansas
    Posts
    73

    ABS and Brake light randomly come on.

    ABS and Brake light come together randomly. wonder if anyone else has had this problem
    2001 ECSB 4.8 Pewter- Posi 4.11 gears,Magnaflow single, no cats,shorty headers,E-Fans,intake,billet servos,shift kit,no egr,hp tune, taylor 409 wires. 4/6 drop 22s, shaved taillights,tailgate,rollpan. needs more power.

  2. #2
    Join Date
    Aug 2005
    Location
    St. Anthony, Indiana
    Posts
    1,592
    did this start after you swapped gears?

  3. #3
    Join Date
    Sep 2005
    Location
    Austin Tx.
    Posts
    13,138
    brake Fluid level low?
    1951 3100
    1984 C10

  4. #4
    Join Date
    Sep 2010
    Location
    Arkansas
    Posts
    73
    Brake fluid level good. Yeah i believe it did after i swapped gears.
    2001 ECSB 4.8 Pewter- Posi 4.11 gears,Magnaflow single, no cats,shorty headers,E-Fans,intake,billet servos,shift kit,no egr,hp tune, taylor 409 wires. 4/6 drop 22s, shaved taillights,tailgate,rollpan. needs more power.

  5. #5
    Join Date
    Sep 2010
    Location
    Arkansas
    Posts
    73
    it has no abs sensors on the rearend though which is odd
    2001 ECSB 4.8 Pewter- Posi 4.11 gears,Magnaflow single, no cats,shorty headers,E-Fans,intake,billet servos,shift kit,no egr,hp tune, taylor 409 wires. 4/6 drop 22s, shaved taillights,tailgate,rollpan. needs more power.

  6. #6
    Join Date
    Jun 2010
    Location
    baxley,ga
    Posts
    194
    hook scan tool up and look at ur abs history codes or current codes when light is on.they won't any current codes unless the light is on
    04 rcsb forged 347

  7. #7
    Join Date
    Sep 2007
    Location
    Broken Bow, OK
    Posts
    1,434
    Did you tune the PCM for the gear swap?

  8. #8
    Join Date
    Jun 2010
    Location
    baxley,ga
    Posts
    194
    rear abs works off of speed sensor in trans
    04 rcsb forged 347

  9. #9
    Join Date
    Jan 2005
    Location
    Humble/Houston TX
    Posts
    2,586
    ebay...abs module rebuild. costs about 125 to fix. note: when both lights are on, your ABS brakes do not work.

    old mod list: H/C/I/N/E/G 408
    new mod list: 5.3, gears/posi, mufler and tune : (

  10. #10
    Join Date
    Sep 2010
    Location
    Arkansas
    Posts
    73
    tuned for the gears. Yeah i don't like not having the abs brakes especially in the rain. I just need to take it to the chevy dealer. I work at a ford dealership and we don't have the scanner for abs on chevy
    2001 ECSB 4.8 Pewter- Posi 4.11 gears,Magnaflow single, no cats,shorty headers,E-Fans,intake,billet servos,shift kit,no egr,hp tune, taylor 409 wires. 4/6 drop 22s, shaved taillights,tailgate,rollpan. needs more power.

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