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Have to run CAN high and low signals from my RNS-E to an XM receiver in my trunk. Is there a recommended size wire for this? I'm figuring 22 gauge, and am guessing that it wouldn't really matter anyway, but figured I'd ask just for the hell of it ;-)
 

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AWG22 should be fine, more important is to twist it right. IIRC 2 twists per inch is the standard.
 

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The repair manual says never untwist more than 10cm so I guess it matters. Maybe not for the RNS-E adapter, maybe not even between the insrument cluster or phone interface and head unit. But over a 5m/15ft distance between the front head unit and the trunk I'm sure there will be some nice suprises.
 

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Yes get some CAT 5 cable it works perfect. I used the same cable for that exact project.
 
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