I'm sorting through the front-to-rear wiring on my RCR40 and plan on running the rear wiring through the tunnel. I notice that most of the sending unit wiring, with the tach being the only exception, appears to be in shielded cable. My question being...is all that shielding necessary? In order to save some space in the tunnel, I'd like to just ground the senders in the engine compartment, run single wires (just like the tach feed) up to each gauge and then ground each gauge to a common chassis point up front. Would that work, or do those sender wires need to be shielded?
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