What if u replace the coil and same happens?? i found out that my shift modual under the throttle body of my 92 f 150 melted and killed the moter but i was told if u unplug it then it should start! well did that replased the coil and the sending unit in the distributer and had the ignition box on the finder well checked its good, as r all the parts i have replaced also the fuel pump is constantly running, right blinker light is on in the dash only. i looked threw the wires under the dash and turned the ignition to the no position and the coil had constant spark but went to turn it over and nothing happend. but i noticed that i hurd a loud noise coming frome under the center a the dash its a wight box that has i think 7 wires going to it and i turnd the ignition back to the on pos. and it was buzzing loud i tryed it again now have no spark but truck turns over???? im so lost on this im normaly prety good at fixxing things but iv been working on this for 3 days and geting tired a buying things that i dont need plus think that pride thing got in the way to lol. hope some one can help me
You have the unfortunate circumstance of having some serious electrical issues. What you are describuing sounds like several things got fried and power is going to thing that shouldn't be getting power. First thing is to go through all of your wiring under your dash and under the hood. Then check the wiring to your tranny as well. if all checks out then you need to verify power/no power to all the effected circuits and also what voltages. voltage to the coil may not neccessarily be 12 volts under all conditions. good luck.
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