Forum Discussion
MitchF150
May 10, 2020Explorer III
time to get out the test light and a helper... Ground the test light and then touch each wire from the truck to identify them.
the 7 pin should be a 'universal' diagram depending on where the "slot" is on the truck side and then they should match up on the trailer side.
should have a diagram on the inside of the cap on the OEM one too?
Good luck! Mitch

the 7 pin should be a 'universal' diagram depending on where the "slot" is on the truck side and then they should match up on the trailer side.
should have a diagram on the inside of the cap on the OEM one too?
Good luck! Mitch

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