Quote:
Originally Posted by fyrffytr1
... Would it be better to put the fuel pump on a fuse panel leg that is hot all the time and run the circuit through an on/off switch? That way, I could activate the pump before switching the key on. But, with my aging mind I am subject to forget to turn the pump off...
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Yeah, it's hard to decide. The electric pump in my antique touring car (put in place of the trouble-prone original vacuum fuel pump) simply has a switch in a lead to the battery. It's convenient to be able to run the pump by itself, but of course I sometimes forget to turn it off (or on). In my pickup, the pump is powered with ignition 'on', but I also put a switch in the pump line, in case I want the ignition 'on' and pump 'off' while working on something electrical under the hood. The electric pump in my Suburban was an easier choice, since it's only used to "prime" the mechanical pump- wired through a momentary switch from the battery.