Hooking up trailer from 4 prong to 7 blade

Asked by Guru57ND5 Feb 09, 2018 at 07:40 PM about the 2009 Ford F-150 XLT SuperCab 4WD

Question type: Maintenance & Repair

I was hooking an adapter from a 4 prong to a
female 7blade so I could pull a horse trailer. I had
to connect my 4 prong to 4 prong on adapter then
run hot wire and connect ground. Now my left
blinker both stop and reverse lites don't work.
Checked all fuses, relays, and bulbs. All fine.
Removed all wiring and still same.

2 Answers

F_O_R answered 6 years ago

I think you need a proper 7 wire plug on your trailer. Have a trailer shop hook one up since you don't know how.

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