Question about 1998 GMC Suburban
I had bulb replaced but still not working.
Sounds like you have a bad tail light circuit board.
unplug the connector and use a test light to confirm there is power to the circuit board for the lights that do not work. If there is power replace the circuit board. They are usually in stock at your local parts store.
Posted on Feb 09, 2012
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Posted on Jan 02, 2017
there are two rods that slide down from the top. you have to turn to get them out of clip then pull up. once both are out then headlight can be removed.
Posted on Dec 22, 2008
Open the hood, and in the top right and left corners of the primary headlamps you'll see two pins (L shaped) swing them out (towards the front of the truck) and lift out. This allows you to remove the upper headlamp assembly. You can then remove the lower assembly by pushing outwards on the plastic clip that is hooked into a metal clip. Once it's out you just turn the bulb to remove it.
It's much easier if you unhook the leads to the upper assembly's bulbes so you can set the whole thing aside.
Posted on Mar 31, 2009
Does your high mount stop light work? If it doesn't, then it'll be the brake switch located just above your brake pedal.
If the light does work, then it should be the electronic flasher module that will be located under your dash near the steering column. It will be labeled. This controls your signals, but I believe your brake lights are also on the same bulb as your signals, so when this goes, it can affect your brake lights
Posted on Oct 14, 2009
to replace the GM tail light bulb, you will drop down the tail gate and you will notice 2 screws on the tail light assembly, you will remove those 2 screws with the proper screw driver, once you do that the whole tail light assembly will come off, then you will see onother 2 screws holding the light panel to the tail light assembly, or brackets holding the light panel to the tail light assembly remove either or and you will have access to the three bulbs on that light panel, replace the burnt one and follow the same intrunctions to put back.
Posted on Apr 06, 2010
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