Quote:
Originally Posted by James.Kelly
Is it just as simple as using a jumper wire from 12v to switch to then wire for water heater?
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Yes.
Locate the circuit you want to control with a manual switch ..remove the line from the BCM for that circuits outgoing signal and connect to a switch and have the other side of the switch connected to 12 volts DC source..
Now you can manually operate that circuit..
For example.. water pump , water heater ( may need two switches ) if the water heater has both LP mode and electric 120 mode ..
Be sure that wheee you get the 12 volts DC for that circuit has a fuse on it in case of issues downstream the fuse will blow protecting the wiring, etc