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As I read this thread, I couldn't believe what I was reading. Two different wiring diagrams depending on the type of trailer? Talk about a situation where the left hand has no idea what the right hand is doing!
I've never had anything but bad experiences with the 7 blade connectors. They are such a poor design - the only great job it does is separating you from your money. I had to bungie cord every one to pull the socket/connector together to keep it from failing. I purchased quality connectors and plugs - spent a lot of money to try to make it work. Kept the contacts spotless, applied anti-corrosive, the whole nine yards.
Now that I no longer tow a fiver or any trailer with a 7 pin, I've replaced all of them over time with 6 pin round which is similar to the 7 pin commercial. I use the 6 pin for the flat-bed and utility trailers, and plug in an equally well designed 6 to 4 pin adapter for the 4 pin flat where necessary.
Now that I have a drawer full of 7 blade connectors/sockets, I thought about donating them... but I'd feel guilty passing this expensive junk on to someone else.
I've never had anything but bad experiences with the 7 blade connectors. They are such a poor design - the only great job it does is separating you from your money. I had to bungie cord every one to pull the socket/connector together to keep it from failing. I purchased quality connectors and plugs - spent a lot of money to try to make it work. Kept the contacts spotless, applied anti-corrosive, the whole nine yards.
Now that I no longer tow a fiver or any trailer with a 7 pin, I've replaced all of them over time with 6 pin round which is similar to the 7 pin commercial. I use the 6 pin for the flat-bed and utility trailers, and plug in an equally well designed 6 to 4 pin adapter for the 4 pin flat where necessary.
Now that I have a drawer full of 7 blade connectors/sockets, I thought about donating them... but I'd feel guilty passing this expensive junk on to someone else.
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