Gettin ready to do mine as well, I'm missing the Ac Vent and duct in the lower left corner of the dash so I may try to sneak a guage and a momentary toggle on a plate behind the dash bezel. I was gonna use a lighted toggle but with how I want to tee my transfer into the feed tanks return I may have to have the engine off to transfer anyway. I'll have to do a fuel pressure test once it's plumbed and see if it boosts the fuel psi too much when switched.Gauge and switch bolted up and everything is working. You can see in one of those pics the toggle switch I got has a dummy light on it that lights up when its on. This was the best solution I could come up with to not forget I have it on and either overfill the driver tank, or run the passenger tank/pump dry and ruin the pump in that tank. It seems to work great so far. This was my best solution to still run saddle tanks with an 8.1 swap without having to run a burban rear tank.
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