that's_a_biggin Posted November 24, 2005 Report Share Posted November 24, 2005 hi.. i need help.. i'v just got a new bilge pump but no instructions..i got 3 wires 1 negative.. and 2 positive .. 1 of which gives constant live.. and the other when connected seperatly just gives a short blast then nothing..i'v run the pump submerged to see if it only runs when needed and no change.. the pump is a rule 1100gph fully automatic..any help appreciated .... chris... Quote Link to comment Share on other sites More sharing options...
Newboy Posted November 24, 2005 Report Share Posted November 24, 2005 The 2 +ve are for auto switch and manual switch. Connect one to a rocker/on-off switch and the other to a auto bilge switch. Quote Link to comment Share on other sites More sharing options...
that's_a_biggin Posted November 24, 2005 Author Report Share Posted November 24, 2005 that's what i thought .. but i thought that both should run the pump when + fed..which one of them will do .. which i guess is the one for the rocker switch on/off.. but the other only runs for a second then stops until you remove supply and then re feed it.. and then starts for a second .. Quote Link to comment Share on other sites More sharing options...
TomBettle Posted November 25, 2005 Report Share Posted November 25, 2005 that's what i thought .. but i thought that both should run the pump when + fed..which one of them will do .. which i guess is the one for the rocker switch on/off.. but the other only runs for a second then stops until you remove supply and then re feed it.. and then starts for a second .. Does the bilge pump have a "float switch". This usually looks like a little white hinged thingy that lifts up and down. If it does, the second + that only runs for a moment should run continuously if the float switch is lifted (ie: It only works when required which is when the bilge fills with water). This second feed should bipass your battery isolator switch and have a permanent live so that if the boat is on her mooring and fills with water in your absence it will automatically be pumped out. Quote Link to comment Share on other sites More sharing options...
Newboy Posted November 25, 2005 Report Share Posted November 25, 2005 Makes sense, it probably has a built-in float switch. Quote Link to comment Share on other sites More sharing options...
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