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Old 09-23-2018, 10:17 AM   #1
jrhoads23
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Replacing LP/CO detector - 2 sets of wires?

We are the happy new owners of a 2007 23RS. The previous owners removed the original LP/CO detector/alarm most likely because it came to the end of its life and was beeping. I bought a new one but when I went to install it, I noticed there were TWO wires coming from behind the wall. Both of them *appear* to be the same - one white wire and one white/orange. Is there a reason for this? Which one do I use to hook up my new detector?

Thanks!
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Old 09-23-2018, 11:19 AM   #2
ChuckS
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Iíd use a multi meter and measure the voltage on the wires. Iím guessing itís a 12 volt DC detector. Wire accordingly to the new CO2 unit
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Old 09-23-2018, 11:24 AM   #3
chuckster57
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Welcome to the forum

Common for multiple wires when the circuit has more than one load. White should be ground and white with tracer color should be 12V positive. When you connect the detector, you will have two connections of three wires each.

Probably red to the white/tracer and black to the white.
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Old 09-23-2018, 11:33 AM   #4
jrhoads23
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Thanks... my new detector does have two red wires and the instructions say it is for different power sources (for redundant safety) but you can hook it up with just one power source if needed. So I should run both white wires to the black wire on my detector and each of the white/orange wires to each of the red wires on my detector?
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Old 09-23-2018, 11:46 AM   #5
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I looks like the 12v coming through the wall and also exits to go to another item in your trailer. They are connected together now so both items will be powered up, so continue having the wires connected together.
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Old 09-23-2018, 12:15 PM   #6
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Quote:
Originally Posted by jrhoads23 View Post
Thanks... my new detector does have two red wires and the instructions say it is for different power sources (for redundant safety) but you can hook it up with just one power source if needed. So I should run both white wires to the black wire on my detector and each of the white/orange wires to each of the red wires on my detector?
Yes. The extra red wire is for the LP flow solenoid found at the tank on older motorhomes. Put both the reds and the white/orange together.
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