trailer lights on 2000 f-150

Asked by Sep 07, 2015 at 07:20 PM about the 2000 Ford F-150 Work Extended Cab SB

Question type: Maintenance & Repair

Truck lights work (brake, turn and plate) but there is no power to trailer plug

3 Answers


If they were working previously check under the vehicle at the connections point, especially if the plug is aftermarket. First, use a multi meter and check for voltage on the female plug. Water and moisture can get in over time and cause corrosion.

1 of 1 people found this helpful.

Checked all the fuses but the ultimate answer was to replace the old (and I might add corroded) plug with a new one. Soldered the connections and the LED lights on the new one light up. Would suggest anyone considering a new on get one with LEDs - makes it easy to check out power when hooking up the trailer.


I know this is an old question but, I had this same problem on my 2000 F150 Work Series Extended Cab where no brake light at 7 way trailer plug on truck. I just spliced in to drivers side brake light wire and wired it directly to 7 way plug for brake lights on trailer.

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