Question about 1990 GMC Sierra

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1990 gmc sierra and the parking brake light is blinking ? and when aplayed it stays on... code or fuse ?

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Low fluid? is this the 7.4l engine with hydro boost?

Posted on Sep 11, 2010

  • RevGrizz Apr 09, 2011

    Mine has the Parking Brake dash light stay on but dimmed. Mine is 7.4 w/hydro-boost system. Fluid full. Any idea what this means?



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Why r my tail lights staying on my 1993 gmc Sierra

Are you sure it is the tail lights and not the brake lights? If the park lights are staying on, the front should be on as well in most cases. If it is the brake lights staying on, suspect a faulty brake light switch located at the brake pedal

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Brake lights won't come on after changing brake booster on 97 gmc 1500. Also won't shift into gear.

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Brack light comes on and stays on i have unplugged the module and it stays off a short time and comes back on.the otheer day the brake light started blinking

In addition to indicating when your parking brake is applied, the brake light is also a fault warning. There is probably someting wrong with your brakes, or at least your car thinks something is wrong. You should inspect the brake system, especially looking for any fluid leaking either at the wheels or in front of the driver seat under the car. Also check the brake fluid reservoir. Let us know what you find out.

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Park light stay on with fuse in ?

there is a short in the light sure it needs to be replaced.. very common for this year truck... first remove dash and disconnect switch...inspect plug for melted terminals... i think this is where u will find your problem

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