When at WOT the lean switch will then start to monitor the AFR and if it goes lean during the run it will shut your nitrous down. simple to install and setup. •+12V output and a ground output when the nitrous is active.
15708 Nitrous Express Fuel Pressure Safety Switch (Carburetor Fuel Pressure)
NyTrex Fuel Pressure Sensor 165035; Fuel Pressure Safety Switch, 5psi
00-60000 Nitrous Outlet Low Fuel Pressure Safety Switch (1.5-20 PSI)-Switch Only
Nitrous Outlet Fuel Pressure Safety Switch and 6 AN Manifold (low pressure)
00-60000-4 Nitrous Outlet Low Fuel Pressure Safety Switch (1.5-20 PSI) / -4 AN
00-60001-6 Nitrous Outlet- High Fuel Pressure Safety Switch (20-120 PSI) / -6 AN