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brake light

Discussion in 'The Garage' started by gmcjimmy90, Jul 12, 2005.

  1. gmcjimmy90

    gmcjimmy90 Registered Member

    Jul 3, 2005
    Likes Received:
    i have a 1990 gmc jimmy about three months ago the break light came on and it wont go off. I have checked the fluid. the wierd thing about it is that it flashes 10 times and then pauses for a second then flashes 10 times, like it's trying to spit out a code but everyone i talk to says they don't know what it means. any ideas would be greatly apreciated.
  2. dremu

    dremu Officious Thread Derailer Premium Member GMOTM Winner

    Feb 27, 2000
    Likes Received:
    East of San Francisco
    1990-91 R/V trucks have rear-wheel only ABS, which only works in 2WD.

    That is indeed a code, though what, I can't tell you.

    I had a Burb that kept throwing a code 81 or something, meaning the wiring or the solenoid for the ABS was flaking out. I ended up pulling the power to the ABS computer and taping it up... problem solved. Truck stops just fine; RWAL is very silly, IMHO.

    Look under your master and booster for a black box that doesn't belong :haha:

    -- A

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