Did I just burn my fuel pump up?

[jdavidsmi]

I’m working on getting the 86 to start but was not getting fuel to the engine. And I could  not hear the pump run. So I dropped the tank and pulled the pump out, wired 12 volts to the terminals on top of the motor. It ran for a couple seconds and stopped, and now nothing.

So my question did I burn up the motor seeing if it would run?

This is on the 86 with a 5.0 automatic transmission, 2 wheel drive.

[jdavidsmi]

I’m trying to get this one to run so I can get it out of the garage, and pull the 84 in to replace the fuel tank. Hopefully to fix the dirty problem.

[85lebaront2]

Shouldn't burn up from 12V, but running it dry can burn the actual pump up. I usually stick one in something thin like ATF that isn't as flammable as gas. There is a second pump on the frame that is the high pressure pump for the EFI system.

[old55pete]

Did the pump in the frame under the drivers door come on when you turn the key to "run"? The reason I ask is that both pumps should have come on momentairly when the key was turned to "run" . Try it and listen to the one on the frame. If the frame pump( high pressure pump) dident come on check the, I want to say the orange fuesable link at the starter relay and make sure it is good. There is also a fuel pump relay on the inside of the left front fender by the hood henge that needs to be checked for function.

[jdavidsmi]

Thanks Steve, I did not remember the fuseable link was there. No I never heard either pump run ,I had the wife turn the key on while I was under the truck.

I have some def in a bucket at the farm I will stick the pump in it and try to run it again.

[old55pete]

Make sure that you flush out the DEF when you are done testing as it will ruin the pumps and the injectors as it is hard on plastic parts

[jdavidsmi]

Will do Steve,