2010 242 Bilge Pump Wiring
Posted: Mon Jul 13, 2026 7:13 pm
Hi!
I need help. I purchased an Atwood Tsunami to replace my factory installed system.
I thought after I got the old out the battle was won.
I was wrong.
The new pump has 3 wires - black, brown, and brown and white stripe.
My old system had two grey wires from the harness going to a float and a brown and black wire going to the pump.
I have a toggle button and an indicator light on the dash.
Previously when the float kicked the pump on I received and indicator light adjacent to the button and I could manually turn the pump on with the button which also turned the light on.
I can’t find the wiring combination to restore this functionality.
Please help!
I need help. I purchased an Atwood Tsunami to replace my factory installed system.
I thought after I got the old out the battle was won.
I was wrong.
The new pump has 3 wires - black, brown, and brown and white stripe.
My old system had two grey wires from the harness going to a float and a brown and black wire going to the pump.
I have a toggle button and an indicator light on the dash.
Previously when the float kicked the pump on I received and indicator light adjacent to the button and I could manually turn the pump on with the button which also turned the light on.
I can’t find the wiring combination to restore this functionality.
Please help!