The shift lever cable may be damaged or out of adjustment.
With the key.
security light on 1998 s10 start but cut off
The indicator bulb may be burned out.
what is the wheel base for 1985 s10 blazer
Yes it will fit.
on a 91 blazer s10 4wd
We need to know what year that S10 Blazer is.
An alternator from a 2000 Chevy blazer will fit a 2002 S10 blazer with a little fabrication.
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.
235x70x15 this tire size on my 2001 s10 blazer