Use A Fuel Gage 0-10 Psi 0-30 In Vacuum Connect To Top Output Of
Vacuum Hand Pump For Pressure 0-10 Psi ************************ Part Of Gage Is Vacuum Use Pressure For Test Connect The Pessure Gage To Output Of Relay Or Switch Other Side Input Of 10 Psi Of The Vacuum & Pressure Gage
Pump To 10 Psi Input To One Side Of Switch The Side And Read 10 Psi
On The Gage And Pull The Wire Off On Maniford Over Pressure Switch The Wire In Your Hand Use A Jumper Wire To Ground Engine Top Turn On Ign Switch No More Pressure To Gage

Also Check Your Alda For Pressure Leak 0-10 Psi My Alda Was Leaking And Removed Alda Remove 2 Screws Drill Other Two And
Found The Small O Ring Seal Inside Leaking. Jc Whitney. Com Had The Rubber 0 Ring Kit Metic And They Have The Copper 0 Ring Kit Metic For Alda Pressure Test Ok Top Of Alda Is Adjustment 10 Mm
Lock Nut And Turn Small Sloted Screw 1/8 In At Time