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Old Apr 3rd, 2022, 16:50   #18
Chrisv60
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Last Online: Yesterday 16:29
Join Date: Apr 2014
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Ouch. The replacement batteries I've bought have a different plug so I've cut the plugs off to rejoin.
Whilst the red wire strips to clean shiny copper, the black wire has corroded inside along its length and won't solder.
Looking closely at the circuit board, it appears the corrosion has tracked back to the connecting pin and a couple of points on the circuit board.
I've tried cleaning it but haven't had a chance to try it in the car yet.

The first code refers to an alarm siren, I wonder if they're all a bit different and incompatible.

Looks like it's going to be £300 vs £3.
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