98 k1500 3rd Brake LED Set up questions.

inscarguy · Sep 15, 2018

Hi everyone.

I have a 98 k1500 with all led bulbs installed except for the 3rd brake lamp. I tried a putco all led lamp. It did not work until i redid the harness to make it work. The cargo lights did not work at all. So i went back to the OEM lamp with high quality bulbs and they did not work. Tried both ways on the bulbs.... no good. Put back the OEM bulbs and all works fine.

WHY, what gives.....

df2x4 · Sep 15, 2018

The OEM 3rd brake light assembly is VERY sensitive to the width of the bulb bases. If they're too wide, it will cause a nasty short. Too narrow, and they won't make good contact. I tried replacing the bulbs in mine with LEDs at one point and it would blow a 20A fuse every time I stepped on the brake pedal until I put regular bulbs back in. I tried a couple different kinds of LEDs with different bases, nothing worked.

I decided on a smoked Anzo LED aftermarket housing. They just work, no messing with the wiring like some of the cheaper options. I'm very happy with it. They have two versions, a clear housing and a smoked one. Here's some links to them on Amazon.

Clear (Anzo 531064):
https://www.amazon.com/dp/B007VXCYOO

Smoked (Anzo 531065):
https://www.amazon.com/AnzoUSA-531065-Smoke-Chevrolet-Silverado/dp/B007VXCYPI

Schurkey · Sep 19, 2018

How is this an "engine performance/maintenance" question?

454cid · Sep 19, 2018

Schurkey said:
How is this an "engine performance/maintenance" question?

"+Maintenance" .... we have kind of a hole in our subforums. I've wondered where to post a few things too that weren't exactly engine or even under the hood, but didn't seem to fit anywhere else any better than here.

inscarguy · Sep 24, 2018

Thanks for the reply. I had the led lamp assy but the bed lamps did not work so i went back to the regular bulbs.

df2x4 · Sep 24, 2018

inscarguy said:
Thanks for the reply. I had the led lamp assy but the bed lamps did not work so i went back to the regular bulbs.

No problem! The cargo lights on those Anzos I linked work just fine, no messing with the harness or anything.

98 k1500 3rd Brake LED Set up questions.

inscarguy

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df2x4

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Schurkey

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454cid

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inscarguy

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df2x4

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