I know this has been asked numerous times but I need advice on controlling the fuel pump from my DIY MSPNP

I have used the high side driver as described here : https://www.diyautotune.com/support/...3-mazda-miata/
No Joy

I have jumpered F/P to GND in the diagnostic port - works fine, but I've been advised not to leave it like this as pump will run all time ignition is on so looking through various threads there is another route connecting FP to 4O (some say 2O but that goes nowhere) then jumpering 2 & 7 in the MAF sensor.

Is that correct ? Will it then prime with the key and turn of till the engine fires as per stock ?

Tks
Dave
1992 1.6 UK Spec with M45 S/C