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Old 05-10-2016, 09:02 AM   #1
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Itasca electrical problem

My coach has a strange 12V problem. When I turn on the main area ceiling lights the bathroom fan turns on . I have replaced the halogens with M4Products Elite series LEDs and installed a new vent with remote in the living room. But this is not the problem as far as I can tell. Any suggestions are greatly appreciated.

Rick Y
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Old 05-10-2016, 09:36 AM   #2
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Quote:
Originally Posted by jerichorick View Post
My coach has a strange 12V problem. When I turn on the main area ceiling lights the bathroom fan turns on . I have replaced the halogens with M4Products Elite series LEDs and installed a new vent with remote in the living room. But this is not the problem as far as I can tell. Any suggestions are greatly appreciated.

Rick Y

Hi Rick
You are getting a crossover 12v power between the main area ceiling lights and the bathroom fan. But If you turn your bath room fan on and your main area calling lights don't come on you may have sourced your bath room fan with the after switch main area ceiling light source. I would disconnect all wires connected to the newly installed vent with remote in the living room first then try the main area ceiling light and see if the bathroom fan turns on.
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Old 05-10-2016, 10:02 AM   #3
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Rick;

This may sound strange but when I purchased my previous 2003 Chieftain I found when ever I turned on my ceiling fluorescent lights the furnace blower would run. I had read an article earlier about electrical interference from defective fluorescent ballasts. I started by disconnecting the fluorescent lights one at a time and I found that when I disconnected a certain light the fan would shut off. It was the light closest to the thermostat in the one place center. I switched the lights by moving the bad ballast further away from the furnace control and no more problem. My advice is look for a defective ballast before you spend lots of time looking for a wiring problem.

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Old 05-10-2016, 05:59 PM   #4
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I put an LED light in a light fixture near my big TV and it caused the TV to lose channels 7 and 10 (OTA). I moved the LED to a fixture further from the TV and the problem disappeared. Try removing LEDs one at a time, starting with the fixtures nearest to the bathroom fan.
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Old 05-11-2016, 07:46 AM   #5
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Rick;

This may sound strange but when I purchased my previous 2003 Chieftain I found when ever I turned on my ceiling fluorescent lights the furnace blower would run. I had read an article earlier about electrical interference from defective fluorescent ballasts. I started by disconnecting the fluorescent lights one at a time and I found that when I disconnected a certain light the fan would shut off. It was the light closest to the thermostat in the one place center. I switched the lights by moving the bad ballast further away from the furnace control and no more problem. My advice is look for a defective ballast before you spend lots of time looking for a wiring problem.

Don
Don,

Thanks for the suggestion. But there is another symptom I just remembered but don't replicate often. If the bathroom fan is on and I shut off the main area lights the fan remains on. If I shut the fan off and now turn the main lights on and off the fan remains off. I do wish I had a wiring diagram available so I could see the sequence of connections.

Rick Y
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Old 05-11-2016, 07:53 AM   #6
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I put an LED light in a light fixture near my big TV and it caused the TV to lose channels 7 and 10 (OTA). I moved the LED to a fixture further from the TV and the problem disappeared. Try removing LEDs one at a time, starting with the fixtures nearest to the bathroom fan.
Wow. That is interesting. I'll experiment with that idea. Thanks. I don't have time today but I'll let you know if I have any success with this.

On my first batch of LED's from M4Products they all failed in about a year. M4 told me that I had "noise" in my DC. No other LED's from other sources have failed. They replaced most of them for me and these seem OK but I do have 2, the "Lounge" circuit, that often flicker. As I stated above, I wish I had access to the wiring diagram for this coach.

Rick Y
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