i keep trying to put it in 4 wheel drive and the lights keep flashing.....one time i tried to put it in 4 hi and it went in to four low but there was no light lit up......Neeeeeeeeed help bad please

 

Check for stored codes:
NV233 transfer case / encoding motor switch

 

its not that man i figured out what it was its the pin on the actuator the you lock the cable in for 4 whl drive...it poped out.....lol