fuel problem

Hi Guys, 2001 Artic Cat ZL600 EFI my fuel pump o ly working when connected to secondary 12V power source. I don’t have power from harness and have not been able to find out why??? Can I run nee power source direct from sleds battery to the pump?? Any concerns or issues?? Any help is greatly...

Have 1980 panther rebuilt fuel pump that is run off of suction line last year. This year it will not start replaced fuel and suction line. filled fuel line with fuel and started right away. there is small amount of suction when I put my finger over suction line. It will run fine with fuel in the...