Where do the solenoid go on the firewall solenoid on a 2001 ford f150 5.4l?

Asked by Feb 17, 2016 at 03:44 PM about the 2001 Ford F-150 XLT 4WD SB

Question type: Maintenance & Repair

I think I may have messed up the wires on my
firewall solenoid.

2 Answers


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

4 people found this helpful.

My 2001 super crew only has two big post and one small post . The small wire has a rubber boot that u just push on. I am not for sure if it goes to ignition switch or to solenoid located on starter. Ford said the wire was breaking down at starter and had a replacement wire that is suppose to help bendix engage flywheel. Let u know if it works .

2 people found this helpful.

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