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Earl_E's avatar
Earl_E
Explorer
Jun 23, 2018

Electrical connection between trailer and truck problem

I did a really dumb, dumb thing. The plug between the truck and trailer was sort of corroded and not always making a good connection so I used what I had--WD-40 to clean them. It worked. BUT now the t...
Earl_E's avatar
Earl_E
Explorer
Jun 24, 2018
wa8yxm wrote:
4 6 or 7 pin round or flat.

Round connectors have a bit of a "bump" on them that a notch on the dust cover locks down on. If the dust cover spring is not springy enough it wont' lock (or if you do not push it far enough on) a rubber band over the cover and plug body may help till you can make other fixes.
. I'll check for gunk because the bump doesn't line up the hump!

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