Can some one identify this cable please

[maxwan]

Hi , I have had my tank off and wondered what cable this is .
Hope you guys can help . Thanks

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[maxwan]

Sorry , it's the blue one I am asking about .

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[DrFarkoff]

Connection to indicators from alarm unit

 

[maxwan]

Thanks Dr . It's not a power source then

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[DrFarkoff]

only when the indicators flash on

 

[maxwan]

Ta Dr

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