ldv5379
DFW
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Joined: 04/01/2023
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I own a 26' 2007 Jayco Jayflight 23B travel trailer. Roof leaked and so I had to replace my tank sensor monitor. I installed new RecPro M23 monitor. Problem is the switches (electric and gas water heater and the fresh water pump) all light up but none of the sensors do, battery, black, grey and fresh water just blank looks like no power but uses same power and ground as switches. Please help!!
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enblethen
Moses Lake, WA
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Joined: 01/05/2005
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First thought is reversed power and ground.
Have you checked the common output to one of the tank sensor?
Bud
USAF Retired
Pace Arrow
2003 Chev Ice Road Tracker
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JBarca
Radnor, Ohio, USA
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Joined: 12/16/2004
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Is this the tank monitor you bought? https://www.recpro.com/rv-kib-tank-sensor-monitor-panel-m23/
If so, that is a KIB brand monitor. You can not get the tank lights to come on if I read your note correctly. Yes/no?
Not sure what you did under the camper; the tank sensors must have a working ground wire. Rust and corrosion have corroded the ground screws and loose contact. If you have an ohm meter, test the tank ground pin wire at the tank to a known good chassis or battery neg (-) ground.
Next, there have been cases where the tank signal wires get skinned and shorted to chassis ground going from the wall down to the sensors. I have had this happen, but it only affected 1 sensor, not all of them in my case; I was lucky the other wires did not get skinned. I had to pull a new wire.
Regarding the tank red resistor packs, did you change them and have them hooked up correctly?
KIB was bought out/merged with America Technologies. I cannot seem to find the old KIB site anymore, and the American site does not show the KIB systems that I could find anyway.
I did find this KIB manual, it may help. https://www.dutchmenowners.org/forums/f5........-panel-tank-wiring-information-4374.html
Hope this helps.
John
John & Cindy
2005 Ford F350 Super Duty, 4x4; 6.8L V10 with 4.10
CC, SB, Lariat & FX4 package
21,000 GCWR, 11,000 GVWR
Ford Tow Command
1,700# Reese HP hitch & HP Dual Cam
2 1/2" Towbeast Receiver
2004 Sunline Solaris T310SR
(I wish we were camping!)
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JBarca
Radnor, Ohio, USA
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Joined: 12/16/2004
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enblethen wrote:First thought is reversed power and ground.
Have you checked the common output to one of the tank sensor?
Yes, good thought. For sure check, if the PC board is wired correctly, the light bulbs can work with reversed polarity but the PC board can have issues.
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