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Discuss 98 Silverado Brake Light Problem in the alt.trucks.chevy forum at Car Dealer Forums; I have a 1998 Silverado Z71. Last week, my brake lights, rear turn signals and ...
  1. #1
    Monks
    Guest

    Default 98 Silverado Brake Light Problem

    I have a 1998 Silverado Z71. Last week, my brake lights, rear turn signals
    and rear hazard lights stopped working. The front lights work as they
    should. The fuses are good and the bulbs are good as well (when I turn my
    headlights on, the rear lights up). My first thought was that it was the
    brake lamp relay in the fuse box under the hood, but I called my local Chevy
    dealer and that part doesn't even come up in their computer. My mechanic
    thinks it may be my brake light switch. My question is: if my brake light
    switch is bad, would this also cause the rear blinkers/hazards to
    malfunction? Any other ideas?

    Thank you.

    -Mike



  2. #2
    Whitelightning
    Guest

    Default Re: 98 Silverado Brake Light Problem


    "Monks" <blah@blah.net> wrote in message
    news:44fdb71d$0$96174$742ec2ed@news.sonic.net...
    > I have a 1998 Silverado Z71. Last week, my brake lights, rear turn signals
    > and rear hazard lights stopped working. The front lights work as they
    > should. The fuses are good and the bulbs are good as well (when I turn my
    > headlights on, the rear lights up). My first thought was that it was the
    > brake lamp relay in the fuse box under the hood, but I called my local

    Chevy
    > dealer and that part doesn't even come up in their computer. My mechanic
    > thinks it may be my brake light switch. My question is: if my brake light
    > switch is bad, would this also cause the rear blinkers/hazards to
    > malfunction? Any other ideas?
    >
    > Thank you.
    >
    > -Mike


    No I don't believe so, and because the rear tail lights work, I wouldn't
    suspect the wiring harness.
    The only two common denominators I know in the system are the bulbs and the
    turn signal switch.
    Now then just because the tail lights work does not mean the bulbs aren't
    bad. The bulbs have two
    filaments, one for the tail lights, one for the brake/turn/ four ways.. A
    bulb is the cheapest thing to try.

    Whitelightning



  3. #3
    gmtech
    Guest

    Default Re: 98 Silverado Brake Light Problem

    i agree with the turn signal switch because on those they call it a
    multi function switch and it runs the hazards and turn signals. and
    also the brake lights are fed through it. you can usually wiggle your
    hazard switch and things will start working
    Whitelightning wrote:
    > "Monks" <blah@blah.net> wrote in message
    > news:44fdb71d$0$96174$742ec2ed@news.sonic.net...
    > > I have a 1998 Silverado Z71. Last week, my brake lights, rear turn signals
    > > and rear hazard lights stopped working. The front lights work as they
    > > should. The fuses are good and the bulbs are good as well (when I turn my
    > > headlights on, the rear lights up). My first thought was that it was the
    > > brake lamp relay in the fuse box under the hood, but I called my local

    > Chevy
    > > dealer and that part doesn't even come up in their computer. My mechanic
    > > thinks it may be my brake light switch. My question is: if my brake light
    > > switch is bad, would this also cause the rear blinkers/hazards to
    > > malfunction? Any other ideas?
    > >
    > > Thank you.
    > >
    > > -Mike

    >
    > No I don't believe so, and because the rear tail lights work, I wouldn't
    > suspect the wiring harness.
    > The only two common denominators I know in the system are the bulbs and the
    > turn signal switch.
    > Now then just because the tail lights work does not mean the bulbs aren't
    > bad. The bulbs have two
    > filaments, one for the tail lights, one for the brake/turn/ four ways.. A
    > bulb is the cheapest thing to try.
    >
    > Whitelightning



  4. #4
    Monks
    Guest

    Default Re: 98 Silverado Brake Light Problem


    "Whitelightning" <white.lightning2@verizon.net> wrote in message
    news:GFkLg.4778$ub5.2405@trnddc07...
    >
    > "Monks" <blah@blah.net> wrote in message
    > news:44fdb71d$0$96174$742ec2ed@news.sonic.net...
    >> I have a 1998 Silverado Z71. Last week, my brake lights, rear turn
    >> signals
    >> and rear hazard lights stopped working. The front lights work as they
    >> should. The fuses are good and the bulbs are good as well (when I turn my
    >> headlights on, the rear lights up). My first thought was that it was the
    >> brake lamp relay in the fuse box under the hood, but I called my local

    > Chevy
    >> dealer and that part doesn't even come up in their computer. My mechanic
    >> thinks it may be my brake light switch. My question is: if my brake light
    >> switch is bad, would this also cause the rear blinkers/hazards to
    >> malfunction? Any other ideas?
    >>
    >> Thank you.
    >>
    >> -Mike

    >
    > No I don't believe so, and because the rear tail lights work, I wouldn't
    > suspect the wiring harness.
    > The only two common denominators I know in the system are the bulbs and
    > the
    > turn signal switch.
    > Now then just because the tail lights work does not mean the bulbs aren't
    > bad. The bulbs have two
    > filaments, one for the tail lights, one for the brake/turn/ four ways.. A
    > bulb is the cheapest thing to try.
    >
    > Whitelightning
    >


    Thanks for the idea about the bulbs. Even though they were good, there
    wasn't enough contact being made to make the brake light/turn signal
    connection. I cleaned off all the contacts last night and bent the contact
    plates out a bit and everything is perfect now. Thanks a ton because I would
    have spent 20 minutes f-cking around trying to change out my brake light
    switch under the dash!

    Appreciate the help.

    -Mike



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