1978 Z - Fuel Pump Control Relay

[zKars]

And let's not forget that these nifty two terminal oil pressure senders could be used to add a safety switch to ANY of us doing an electric pump upgrade without have to resort to the usual ugly non-Nissan and non-BSPT threaded Holley 12-810 blob and T-manifold you have to build to keep the original oil pressure sender  ...