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Old 06-15-2007, 04:43 PM   #11
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I thank you for the info and if one of the switches is bad I deffinetly hope it is the one over the sink with the light. Be the easiest to change out.
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Old 08-07-2007, 03:26 PM   #12
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Hey all, my mystery has finally been solved. The problem kept cropping up and I took it to an RV place. Turns out the breaker of the water heater, the one in the main breaker box was faulty. It had corrosion in the contacts. Who would have thought?
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Old 06-28-2017, 09:30 PM   #13
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Default Water heater 12 volt wiring help 2001 Independence

I replacing my water heater on my 2001 Independence Class A coach and was hoping a fellow rv'er out there might check their wire colors and help me out!
There are three separate 12 volt wires that come from the coach that are brown, white and blue that need to connect to the blue, green and red wires coming from the water heater. I already have the circuit board connected as well as the igniter and 110 connections. If someone could just check their coach and tell me what to connect it would be appreciated!!
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Old 06-09-2018, 11:22 AM   #14
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Default same problem

I know this is old, but hoping for a reply. I have the same problem; color don't match up from water heater to coach. The wiring from the old wh was cut when I took it out, so have no basis for comparison. Any help would be appreciated.
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Old 07-24-2018, 10:09 AM   #15
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Rj82 was very comprehensive. Let me add just a couple of things.
First, the switch at the water heater can be pried out with a small flat head screwdriver. Make sure the power is off!
Second, the hotl lead goes from that switch to the thermostat and in series to the high limit switch.
Third, the high limit switch has reset button.
Fourth, there is a fusible link between the thermostat and the high limit switch.

Using an inductive voltage tester /tic tracer, with the power on and the switch at the water heater pulled out you can trace the hot lead and see if there is any brake in that series between the switch the thermostat and the high limit switch and then down to the heating element.

Hope this helps
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Old 07-26-2018, 12:30 PM   #16
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Default Here's A Link

Wiring in Motor homes and other campers can be very confusing. House type wiring has the black wire as + and white as - with a green safety ground. That's single phase 110 Vdc that runs your water heater and other AC accessories.

On the 12 V side you will have red as + and Black as - in a normal configuration.

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File Type: pdf Water Heater Troubleshooting - Suburban V1.1-1.pdf (898.1 KB, 1 views)
2005 Sun Voyager Workhorse W24 with 8.1 ltr Chevy. Allison 2100 transmission. Full body paint.
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