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What have I done?


bigcol

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Hi all,

 

its me again

this is embarrassing, but I’ve now bought 4 new battery’s the same,

old 2 are now with the bow thruster

installed  all 4 new ones exactly like before

since Ive done this my battery Bm1 monitor does not work?

is there a simple way to test the monitor??

its wired up exactly the same! Checked fuse?

 

col

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I would guess that the red wire to the monitor is not made.

in your second photo the red wire goes through the hole in your box, it looks like it’s going into crimped wire joint, is this good? It might have been compromised when changing the batteries 

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Have you got a multimeter?  if so measure the supply voltage on the back of the meter.  If it reads zero, then measure the voltage between the red wire at the monitor and the negative pole on the battery. If zero the red supply wire is duff.  If ok measure the voltage between the black wire at the monitor and the battery positive post, if nothing then the black wire feeding the monitor is duff.

  • Greenie 1
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