80's 454 fuel supply challenges
Long time first time. I have an 86 The Executive with a newish crate 454 and 95 Chev TBI on top of it. On a recent trip, we had some intermittent stalling except when I'd step on the gas at which p...
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brycedub wrote:
I did run a quick test of the pump connected directly to the battery at one point before realizing the issue with the switcher, and even bought a switch for just such a scenario. Will try that again with it all hooked up.
Thanks enblethen for the new circuit tip. It still switches the gas gauges, but the power for the high flow, low pressure pump and the switcher are toast. Wonder if the relays back there are bad. Will have to put the ol' multimeter on it.
Reading this got me to thinking, before bypassing everything as I suggested. You may want to bypass the "Switcher" by connecting the fuel lines together with a splice and hose clamps. That would eliminate another possible problem. If you change multiple things at the same time, you can not know what fixed the problem.
PS, "Switcher" I am assuming you are referring to the electric solenoid that switches from one gas tank to the other.
