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*Premium Member
2004 SLK200K
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10,767 Posts
Discussion Starter · #1 ·
I have a r170 alarm siren taken off a car that was breaking, is there any way, without a r170, to check if the siren/batteries are ok ??

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*Premium Member
2004 SLK200K
Joined
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10,767 Posts
Discussion Starter · #3 ·
I think these work off the PSE/canbus system, I'm not sure what voltage I'd be looking for and if there will be any if the batteries have run down ??
 
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