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problem with fuel pump electrical 5.0
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[QUOTE]Originally posted by bentley mobs a stang: [QB] [QUOTE]Originally posted by LXjames: [qb] pop that seat off and fix it [/qb][/QUOTE]+1 lol. But I'm more inclined to think your fuel pump relay armature is sticking in the position that gives continuity to ur fuel pump. Your ignition switch provides current going through the coil in your relay. The magnetic field from the relay pulls the armature into a position that powers the fuel pump. When the ignition switch is turned off it kills power going through coil and should move the armature back to the off position. If the relay is sticking in the on position, the ignition switch won't turn the pump off. I'd start with that first before looking for shorts. Pop the old relay out and pop the new one in, start ur car, then cut it off and see if the pump goes out. [/QB][/QUOTE]
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<table border="0" cellpadding="1" cellspacing="1" width="99%" align="center"> <tr bgcolor="#000000"><td> <table border="0" width="100%" cellpadding="3" cellspacing="0"> <tr bgcolor="#000099"> <td colspan="2" align="left"> <font size="2" color="#ffffff" face="Verdana, Arial"> <b>T O P I C R E V I E W</b> </font></td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>sleeping stallion</b> <br /><small>Member # 8162</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2011,6,22,19,43,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> ok so here is the problem when the key is on the pump comes on like normal but when i turn off and take key out the pump stays on u can hear it.<br />so there are some loose wires under driver seat i have to play with like tugg and move around then pump turns off anyone know how to fix <br />1990 coupe 5.0 <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>LXjames</b> <br /><small>Member # 10791</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2011,6,23,2,35,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> pop that seat off and fix it <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>bentley mobs a stang</b> <br /><small>Member # 11119</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2011,6,26,20,38,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> </font><blockquote><font size="1" face="Verdana, Arial">quote:</font><hr /><font size="2" face="Verdana, Arial">Originally posted by LXjames:<br /><strong> pop that seat off and fix it </strong></font><hr /></blockquote><font size="2" face="Verdana, Arial">+1 lol. But I'm more inclined to think your fuel pump relay armature is sticking in the position that gives continuity to ur fuel pump. Your ignition switch provides current going through the coil in your relay. The magnetic field from the relay pulls the armature into a position that powers the fuel pump. When the ignition switch is turned off it kills power going through coil and should move the armature back to the off position. If the relay is sticking in the on position, the ignition switch won't turn the pump off. I'd start with that first before looking for shorts. Pop the old relay out and pop the new one in, start ur car, then cut it off and see if the pump goes out. <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>bentley mobs a stang</b> <br /><small>Member # 11119</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2011,6,26,20,40,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Wow I worded that like shit lol. Point is, throw in a known good relay and test it <img border="0" title="" alt="[Smile]" src="smile.gif" /> <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>Duncan Motors</b> <br /><small>Member # 7045</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2011,6,26,21,18,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> your relay is sticking, get a new one. <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>sleeping stallion</b> <br /><small>Member # 8162</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2011,6,26,23,0,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Thanks guys Ill be doing this very soon <br /> </font> </td></tr> </table></td></tr></table> <br /> <br />
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