1999 GMC Suburban "99 10 four low high" Questions

10 amp fusses one for each light function left high left low right high right low my right low was out so I bought bulbs an it did not change a thing. Spent hours checking for bad contacts then when I

...99 expedition won't stay out of all wheel drive I changed the transfer case motor and now it stays I awd for about 10 minute then kicks back out and then the 4x4 light flashes and then it is ok until ...