I Know What These May Be But The Many Wires...

[C_Hallbert]

The extras might be for electric trailer brakes.

I must applaud your lack of imagination, Sir……

 

[Snattlerake]

I must applaud your lack of imagination, Sir……

 

[turkeyrun]

They are top quality plugs.

Thanks, John

 

[DavidMcmillan]

Might be a "pager"

 

[John6185]

They are top quality plugs.

Thanks, John

You are more than welcome! I hope they meet your needs!