Different way to wire dome light?

[62lwbc10]

Hello All, Put in a 12 hour day today and just about done with the re-wire. THe only thing Im having issues with is the dome light. I dont myself being able to wire it correctly, that is to fish the wire up the A-pillar and across the roof, etc. Would it be possible to just fish the wire across and down the back of the cab so the wires would come out around teh gas filler area, then I can just run the wires under the seat and rubber mat and up behind the dash to the headlight switch? Not sure if this is possible due to the seam in the upper rear back of the cab. Anyone have any thoughts or any other "bright" ideas on how to wire the domelight without going too crazy?

THanks,
Mark