在平面直角坐标系\(xoy\)中,已知圆\(C_{1}\):\((x+3)^{2}+(y-1)^{2}=4\)和圆\(C_{2}\):\((x-4)^{2}+(y-5)^{2}=4\).
\((1)\)若直线\(l\)过点\(A(4,0)\),且被圆\(C_{1}\)所截的弦长为\(2\sqrt{3}\),求直线\(l\)的方程;
\((2)\)设\(P\)为平面上的点,满足:存在过点\(P\)的无穷多对互相垂直的直线\(l_{1}\)和\(l_{2}\),它们分别与圆\(C_{1}\)和圆\(C_{2}\)相交,且直线\(l_{1}\)被圆\(C_{1}\)截得的弦长与直线\(l_{2}\)被圆\(C_{2}\)截得的弦长相等,试求所有满足条件的点\(P\)的坐标.