mastkey on most veh. in the fuse panel there are blocks inside that are used for this purpose if you have fuse for ign. you may come off the load side and run wire to radio from there if you have a fuse for your ign. turn on the key check for power turn off and check both sides of fuse the side that has no power should have it when you turn on key on your signal lights sometimes you can go inside mech. and bend[gently] the prongs back into place it has worked for me Freydaddy
