I have a 99 GMC jimmy I just bought a few months ago. Everything worked fine on the truck. But I've noticed that my brake light comes on when I apply a small amount of pressure on the brake.

Asked by Apr 13, 2015 at 04:50 PM

Question type: Maintenance & Repair

But when apply more pressure. My brake
light goes out.  Can anyone point me in the
right direction?

3 Answers


The brake light switch may have a bad contact in it, their about $15 Here's the oe part number 15128745

1 of 1 people found this helpful.

Looked at it. Didn't disconnec . And lost tail brake lights completely... But third brake light still works. Could this be a short????


If third brake lights work there must be a broken contact to the lower lights. check light harness connection under the truck at the rear.Check for ground wire at the frame.

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