No.
It doesn't have a reset switch.
Neither, I believe it's electric.
You need a vacuum pump designed for that purpose.
91 S10 4.3 L engine requires 41 to 47 psi fuel pressure.
A person can find a vacuum diagram for this car in the maintenance manual. They can also ask for a print out of the diagram at an auto part store.
on a 91 blazer s10 4wd
Inside the fuel tank. The fuel tank must be removed to gain access to the pump.
It's on the drivers side of the firewall. Next to the master cylinder vacuum booster.
where do the vacuum lines go on the 91 4runner
The wire may be shorted to the frame.
drop the gas tank then spin the lock ring off, take out and put new one in.