the ignition barrel turns on my ecu which feeds my fuel pump and ignition but essentially the answer is yes.
basically take a heavy live from the battery into a master fuse. from the fuse to the fat red wire on the ignition switch. then the fat black wire on the ignition switch to the fuses for the ancillary parts e.g ignition lights etc. for constant live circuits go straight from the master fuse to the ancillary fuse box
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