"98 S-10 4x4 , 4Lo but no 4HI ,Hmm?

any first thought about what might be causing the 4x4 Hi not to work ,stays in 2 Hi....However , the 4 Lo does work just fine whenever I
place it into Neutral at first as properly required. Haven't taken it in to a shop or discussed this with anyone else as I had just noticed this the other day. Thanks everyone!!!
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.