09-03-2012, 06:43 PM
Re. fuel pump switch. My 1978 Newell Cummins 555 had an electric fuel pump to push the fuel to the engine. My understanding was that it would prime the system if you ran it out of fuel and air locked the engine fuel pump.
1993 Newell (316) 45' 8V92,towing an Imperial open trailer or RnR custom built enclosed trailer. FMCA#232958 '67 Airstream Overlander 27' '67GTO,'76TransAm,'52Chevy panel, 2000 Corvette "Lingenfelter"modified, '23 Grand Cherokee.