What could these hoses be for?

[68ls1]

Originally Posted by jaros44sr

Augsilery spelling fuel tank or part of the evaporation system , but my guess is on the extra tank, does it have a switch by the drivers side floorboard

So after the responses here, went researching, so when I went to truck today have another look around.

Found the switch on the riser between front floor and rear floor



Unable to get in to truck as is on a 2 post hoist, but thinking this toggle switch on bottom of dash might be for switching feed for fuel gauge



The only place I think auxiliary tank was mounted was in rear of cabin, with hose going through hole in floor. Again couldn't gain acess to see if there are signs of mounting under carpet



So will have a further poke around when I get truck back, but will probably leave alone and redo fuel lines when we remove body.

If anyone has seen a system like this one, let me know