Where do the solenoid go on the firewall solenoid on a 2001 ford f150 5.4l?
After bolting the relay to the firewall (that grounds it) connect the side closest to the battery, to the battery. The other big bolt stud on the other side goes down to the starter solenoid. The two smaller terminals should be labeled with a letter. Surf the net, they will tell which one goes to the ignition switch
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