you should try to poo in it
blown fuse or relay
You gotta start by figuring out what's wrong with it. You need to determine if it's the blower motor itself, or the power supply, then troubleshoot to determine the exact cause.
the oil failed and made something wrong
Could be in need of a tune up.
No they were two different models. Sorry but the above answer is wrong. Those hoods are the same and will interchange. The body design change took place in 1988
Check for a blown fuse.
It could be anything from the engine to the connectors
Time to buy a new car.
first is the air on you may need to thoroughly clean the air mixture assembly where the breather tube connects the engine
From what I have heard it means Small 10 series truck. But that is just my opinion and it may be wrong. It may really just be a model designation and have no real underlying meaning.
The timing is too low or it has the wrong spark plugs in it.