Aerator Pump

[Tracker1963]

Changed cranking battery on my boat sat and now its blowing the fuse to my aerator pump,checked wires did not find anything wrong.could it be pump is bad and going to ground??

 

[mike_i]

are you able to get to the pump and spin it to make sure it's not jammed up with anything?

Changed cranking battery on my boat sat and now its blowing the fuse to my aerator pump,checked wires did not find anything wrong.could it be pump is bad and going to ground??

 

[Tracker1963]

are you able to get to the pump and spin it to make sure it's not jammed up with anything?

i can bypass the fuse and the pump runs fine, all i did was change batteries and this started happening. its a 5 amp fuse that goes in the fuse holder.bilge pump still works fine its just the aerator pump

 

[mike_i]

do you have a digital voltmeter, one that reads current?

 

[Tracker1963]

do you have a digital voltmeter, one that reads current?

yea i have one

 

[mike_i]

pull the fuse and connect the pos lead to the side of the fuse holder towards the switch/battery side and the neg lead to the side of the fuse socket going towards the pump. flip the switch on and with the meter in the 10amp dc mode what does it read? That's assuming your meter as with most dvm's read up to 10amps dc.

yea i have one

 

[dingbat]

Does the fuse show continuity?
If not, it’s blown and needs replaced.

Connecting a battery to an otherwise ”live” circuit causes an inrush of current (the sparks) which blew the fuse

 

[Tracker1963]

it

pull the fuse and connect the pos lead to the side of the fuse holder towards the switch/battery side and the neg lead to the side of the fuse socket going towards the pump. flip the switch on and with the meter in the 10amp dc mode what does it read? That's assuming your met

 

[Tracker1963]

it has a toggle switch that up is bilge and down is the aerator i hooked my leads to it the aerator fuse and i got no reading.i may have hooked it up wrong gonna do it again tomorrow and see if i get anything

 

[mike_i]

did you pull the fuse out?

 

[Tracker1963]

did you pull the fuse out?

 

[Tracker1963]

yea i pulled the fuse but i dont think i had the black lead and the red lead on the right prongs. had them reversed i think, gonna do it again tomorrow

 

[Tracker1963]

yea i pulled the fuse but i dont think i had the black lead and the red lead on the right prongs. had them reversed i think gonna do it again tomorrow

 

[mike_i]

Ok, also confirm you replaced the fuse that blew and the fuse in use now is good and the wiring of the fuse holder is ok.

yea i pulled the fuse but i dont think i had the black lead and the red lead on the right prongs. had them reversed i think gonna do it again tomorrow