ive a rs2000 4x4 with a 2.3 conversion on it but recently its been conking at junctions turn key starts up,had alternater checked out thoroughly and replaced alternater to start cable,just put a more powerfull battery in it now,but still running down ??????????????? help some one said earthin on the engine maybe cause !!!!!!!!!! how do i and where do i conect that ive spent a good load a money keeping this car alive but im at my witts any one help my e-mail is ishy_46@msn