one brake light works other does not-not bulb

Asked by Aug 24, 2013 at 08:35 AM about the 2007 Chevrolet Suburban LT1 1500

Question type: Maintenance & Repair

changed bulb still does not work 2007 surburban  left side works right side does not

3 Answers

test the ground there at the light----take a look at your chassis ground for corrosion...undo the end of the black cable...wirebrush "frame" and lug, to assure solid ground potential~

2 out of 2 people think this is helpful.
107,285

Do as judge stated. Also check for voltage at light socket. If both voltage and ground are present inspect socket for corrosion. Clean posts in socket and re install light bulb. Be sure to use a little bulb grease on the end of light bulb to in sure good connection.

4 out of 4 people think this is helpful.
9,695

There should be a junction box under the vehicle by the spare tire. It will have the root cable coming from the front then it will branch out to each side and out to the trailer hitch if factory equiped. Check this connections if the above fails. Clean them and use dielectric grease to seal them from moisture. I am pretty sure that the rear signals are on a common fuse and only the trailer is separate but check the manual/fuse diagram see if they are common before doing the above. Avoid dirt in the eye if possible.

4 out of 4 people think this is helpful.

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