What about tapping onto a coolant or oil line and wrapping the cell with it, or using some of electric tape, like what you can use on your outdoor plumbing to keep it from freezing?
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03 3500 SRW 250 Horse 47re 4x4 QCSB
MBRP 4" turbo bak exhaust, Trac-Rac.
AMSoil, Amsoil oil, air filter