I have a 1978 ford f150 with a 351m. I replaced a alternator. One of the connections were loose and caught fire I fixed the connection. Put the alternator when I put the positive on a wrench was layin

Eamonn Horton

Asked by Jan 02, 2015 at 07:55 PM about the 1978 Ford F-150

Question type: Maintenance & Repair

Across the negative and blow my sylinoid I fixed
that. I now have no power anywhere and fuse
able links have been changed

2 Answers


There is a good chance you burned the ground wire to the chassis. If that is not the case you are going to need a wiring diagram and a volt meter. If you have no power anywhere begin back checking from the battery. First, is there voltage from the battery to the solenoid? That is only a few inches away. If no, suspect a burned out ground somewhere.


You probably blew the diode in the new alternator. Have you checked it out also.

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