Under stirring wheel to the left.
on a 91 blazer s10 4wd
any first gen s10 0r blazer or bervada grills will fit
An electrical short when you turn your headlights on. Check the fuses and make sure you have the correct fuse for the headlamps. Check all wiring to the headlamps, check for corrosion of the cabling or melting of the insulation.
This can be done, though some modifications may be needed. If you need to replace your core support (rad support) as well, order a core support for a 91 S10 blazer. This will help do away with the mounting issues. I did this to a 1985 S10 blazer and the grill fit fine with the factory core support, but not all of the mounting locations matched.
On the drivers side of the throttle body.
It is behind the throttle body, on the intake manifold.
To drain the oil on a 1991 Chevy S10 Blazer, located the oil pan drain plug. Use a wrench to remove the plug and the oil will flow into the receptacle you have provided.
I have always used 10w30. never had any problems.
Neither, I believe it's electric.
It is located under the AC and Heat instrument panel
your question should be , whats the proper pressure for the tiers on my 91 s-10 blazer this information is embossed on your tiers
check your wires underneat that run back to rear of vehicle, sometimes when the both mounts rust through the body come down on the wires and grounds them out