i used these and there is a few low spots but it hard to tell by eye. this is the guy i buy all my 194 from too.
http://cgi.ebay.com/ebaymotors/2pcs-...3720QQtcZphoto

 

Had the same problem with mine all i did is open the cluster pull the LEDs out and flip them and they worked fine....

 

Yea I got the blue led's put into my stock gauges and I had that problem but on mine you had two wires on the bottom of the led and had to fold them up so it would get a good connection but I dont know if yours were like that but a few I had to flip around like they said above. Now I have stock escalade gauges and they are doing that so I guess its time to led those up too!

 

oh I forgot to ask what did you do to change the needle color?

 

this is why i decided not to do it to my dash. and i dont feel like jackin with the radio, AC, and all the other controles.

 

The needles come clear on the escalade cluster so they change with whatever color led you put in them.

 

sweet I never paid mine any attition, well thats easy enough

 

I had the same problem. It's because the clusters were designed using incandescent bulbs and not LEDs (I wish they had been). Incandescent bulbs (I call em heat lamps) have a much more uniform spread of light compared to LEDs which have an extremely directional beam pattern. I played with 4-5 different styles of LEDs and still got the same dull spots (top of speedo mainly). That's when I did the custom redesign of my LED lights. Solved the problem

 

i used the style that has 4 chips in a perpendicular circle + one on top; they worked nicely.

using the cheaper ones that just have upward-facing chips will result in dark spots for the reasons mentioned above. the upward-facing ones that have a lens to spread the beam out wider end up being uniformly dark because not enough light is emitted from the one chip to adequately fill all directions.

 

Little tidbit of info for those oem bulb locations in the back of the cluster: the brighter your bulb is (whether it's LED, incandescent, or whatever) when it shines directly up, will make your needles brighter. The more your bulb shines to the side, the more it'll illuminate the background numbers/letters