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Hi @malcolm1
As you've discovered, there are two brake light switches in your Jr. I'd disconnect the wires on the rear switch and check the resistance across the switch terminals. It should, of course, be infinity with the brakes released. Do the symptoms disappear with the rear switch disconnected? If so, you could then leave only one wire connected to the switch and tape up the loose wire until the switch gets replaced.
As you've discovered, there are two brake light switches in your Jr. I'd disconnect the wires on the rear switch and check the resistance across the switch terminals. It should, of course, be infinity with the brakes released. Do the symptoms disappear with the rear switch disconnected? If so, you could then leave only one wire connected to the switch and tape up the loose wire until the switch gets replaced.
