I have a Blitzpro 21S I'm going to be mounting behind my grill soon and I have a OKLEDLIGHTBAR pre-made wiring harness. I would ideally like to have my switch in the cab, but the wiring harness is made so that the switch is already attached to the wire and therefore is pretty much impossible to run through the large rubber grommet in the driver's side engine compartment. I can't really drill a hole in the firewall and put a smaller rubber grommet because the switch still has to go through, and if the grommet is big enough to fit the switch through, it kind of defeats the purpose of even worrying about sealing the hole.
So, I'm kind of at my wit's end here trying to figure out how to run this switch into the cab. Any advice?
This is the wiring harness I have (switch on left side)