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Discussion Starter · #1 ·
Hi all,

I am wiring my '99 V70 XC CrossCountry for trailer towing and also putting in a break controller. I got everything done except I don't have a wiring diagram and not sure which one is the cold side on the break to tap in for the break controller. Could someone please let me know, which color wire is the one or how can I find it?

Thank you!
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