Thread Number: 41854  /  Tag: 80s/90s Vacuum Cleaners
Eureka 3712B
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Post# 442177   5/24/2021 at 19:13 by weberockin (Commack, NY)        

I have one that I love. When the wire into the chassis became worn it stopped working. Simple fix, right? Took it apart and cut away the bad wire. Put it back together But, I must have reconnected it wrong and now it sparks when I plug it in. Looking for the correct wiring schematic so I can correct the issue. Any ideas? Thank you for any help you can offer.

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Post# 442268 , Reply# 1   5/26/2021 at 20:52 by kirbyklekter (Concord,Ca.)        
No wiring diagram for it but...

your looks to be the same as the popular Eureka Ironside. It might be easier to find wiring diagram for the Ironside. Mine doesn't have the power nozzle feature so the wiring is pretty simple.I'm sure a vac repair shop could help with that for you.

Post# 442275 , Reply# 2   5/27/2021 at 01:13 by MadMan (Chicago, IL, USA)        

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Take it apart and post pics of the wiring you messed with.

I really don't want to be that guy, but it's a single load and a switch. Unless the motor's brush wires are coming into play, it's literally the simplest thing to wire.

The black wire from the cord is Line, and it goes to the switch, the from the switch to the motor. The white wire from the cord is Neutral, it comes from the cord and goes straight to the motor.

Is there more to it than that? Two speed motor? Bag filled pressure switch? If it doesn't pop the breaker when plugged in and turned on, my guess is you have some exposed wire touching something. Or you've messed with the motor's 'internal' wiring.

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