Here's what I use:
#ad
The electric sender for my Westach fuel PSI guage is seen, and the relay box mounted to the firewall is keyed by voltage taken from the stock LP - then a separate 12 volt line runs thru the relay to operate the added pusher pump down at the fuel tank - thus, the added pump operates exactly like the stock LP, but on it's own 12 volt line...
The electric sender for my Westach fuel PSI guage is seen, and the relay box mounted to the firewall is keyed by voltage taken from the stock LP - then a separate 12 volt line runs thru the relay to operate the added pusher pump down at the fuel tank - thus, the added pump operates exactly like the stock LP, but on it's own 12 volt line...
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