[Al Skierkiewicz]

Dave,
There is a lot of confusion out there on these jacks including the Jaguar docs. The cheaper RJ11 jacks do not always have the depressions you speak of where the two outside contacts of a six position plug would normally be located. However, I have seen teams using the handset plug (which is narrower than a standard RJ11) this year. Specifying the six position connector prevents any ambiguity. Although one pin of the connector is labeled +5volts, that is not connected to any power supply internal to the Jaguar. If other sensors are used to that provide power on that pin, misalignment could cause some other serious issues. Also a crimper that is designed for four position plugs will not push in on the outer contacts of a six position plugs when assembling these plugs.