A faulty engine temp sensor can do that.
replacement of the transmission dipstick tub seal on a 1994 s10 blazer
Where is the tcm in a 1994 chevy S10 Blazer
Where can I download a free owners manual for chevy blazer S10 1994
in the fuel tank
It does not have one
how to drai torque converter on 1999 chevy blazer
205/75-15
Yes
A 1994 S10 Blazer shop manual would have what you need to perform that job. Try your local library or maybe e-bay to purchase one.
Passenger side kick panel area.
A bad solenoid is likely the reason why your 1994 Chevrolet S10 Blazer won't shift into 1st or 4th gear. Getting it replaced should fix the issue.
Any 1983 - 1993 S10, and 1983 - 1994 Blazer, Jimmy, or Bravada.