The sending unit is mounted on the top or in the top of your fuel tank. It consists of the tubes your fuel line goes to and usually a fuel return or vapor line. On my 88 b-250 it's secured buy a big plastic ring you unscrew from the tank and pull the unit out from the tank, in it is the fuel pump as wel but that can be taken out and replaced seperatly from the sending unit.
we need more info on this application like what year and what is a b250 i would suppose it was a dodge
Dodge does not use inertia/cutoff switches.
Yes.
may be in fuel tank
No, Dodge does not use inertia/reset swithces.
The fuel pump is located in the tank if it is a TBI (EFI) Engine. And Dodge does not use inertia/reset switches.
Dodge has never put the pump on the outside of the tank on any fuel injected Ram Vans.
adjust the timing or use better grade/octane of fuel or both
under the stearing collum inside the vehicle
Older one out side the gas tank.New one inside gas tank
Under the hood, in the black box near the battery
it is in between the brake booster and the battery. There's two relays there, which is my question.