great, but waht about the wireing side of it can 2 pumps be run from the same wire and fuse? or will i need to run another wire directly from the fuse box... ...
If you want to run two pumps don't run them directly off the OEM LP wiring. That would put too much of a load on the ECM.
Route the LP wiring to a relay and run the pumps directly off the battery. This takes all the load off the ECM. A 20 or 25 amp fuse between the battery and pumps should protect the system in case of a short.
I've been running this setup for the past 65K miles with no problems.