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Old 07-25-2002, 07:59 AM   #1
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smily's Avatar
1994 36' Classic 36
North Charleston , South Carolina
Join Date: Jul 2002
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Question Control Panel indicators

My 27' 1971 Overlander AS has a control panel but some of the indicators do not work.

The Battery indicator works and the panel illuminator lights work.

This indicates that there is 12 volts to the panel.

My problem is that none of the level indicator bulbs will light:

Holding tank, Water level, etc..

I am not certain if it is the bulbs, if so where can I get replacement bulbs?

It may be the sensors, can any one give advice on testing for indicator functionality?

Any advice is greatly appreciated.
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Old 07-25-2002, 08:27 PM   #2
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1971 27' Overlander
Cornville , Arizona
Join Date: May 2002
Posts: 313
Cool Control Panel Indicators

Ken . I had the same trouble! I have a '71 Int. 27'. None of the tank indicators worked, except the voltage meter. I found a small burned resistor near the bottom of the one amp fuse inthe printed circuit. I soldered a small resisror on the printed side of the board. I didn't know what size and it wasn't listed in the owners' manual diagram. It was the only one that small on the board. Apparently there was some water damage and it burned out. Don't know if it will work because I havn't reinstalled the panel yet . So check if there are any resistors burned for a start. Bulbs are easy to get. Try a good hardware store or Wally World.
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Old 07-26-2002, 03:38 PM   #3
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1966 26' Overlander
Woodstock , Georgia
Join Date: Feb 2002
Posts: 8,523
I took a light bulb out of the one light that was working on mine, and tried it in all the others. they all worked, so i knew it was the bulb. Got new bulbs at the auto parts store.
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Old 07-26-2002, 03:55 PM   #4
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2007 25' Safari FB SE
1958 22' Flying Cloud
1974 29' Ambassador
Yucca Valley , California
Join Date: Jun 2002
Location: 1963 26' Overlander
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The indicators don't work in my 71 Tradewind unless there is something in the tanks.
I have indicators for fresh and black water. My grey tank has no indicator. I think it was added by the previous owner.
So, unless there is s little water in the tank -I get no light. The black tank will light up with about 3 gallons in it. It holds 15 Gal.
The fresh water's OO marking disappears when the tank is all the way drained, so it looks like my indicators are not working.
Maybe yours is the same??
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