The wiring diagram to the right will show how to wire and power this 12v 20amp on off on 3 way carling contura rocker switch.
Rv water pump switch wiring diagram.
Water pumps are on demand devices.
You only need to run one wire from the controller to each momentary on switch plus a local ground connection for each switch and you can daisy chain multiple switches on one wire.
Four if you count the water heater.
When wiring this switch you can choose if you d like to illuminate it because of the independent lamp attached to terminals 8 and 7.
The essential devices pull from those batteries.
There are three tanks in an rv.
Fridge slides water pump built in lighting etc.
I install a 12 volt water pump and switch in my 1985 coleman columbia pop up camper.
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The most observant among you might notice that rv appliances and plumbing are all powered via 12 volt dc.
If you are at the rv don t worry about it.
I install a 12 volt water pump and switch in my 1985 coleman columbia pop up camper.
An rv isn t tied directly into the city plumbing so a few holding tanks are required.
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Each part should be placed and connected with other parts in particular way.
Take a look at this water pump controller.
If not the structure won t work as it should be.
Fortunately you can replace a 12v water pump in an rv in about 30 minutes with a minimum of special tools.
You can have as many switches as you want and the wiring is simple.
Designed to save space most water pumps are small and easily accessed making the job.