There is a switched output lead (orange) which can be used for signaling the antenna to go up and to turn on external amps. When you get the unit installed make sure you get an adaptor harness that mates up with your factory wiring. One of the leads off your factory harness will be the antennal controller lead you need to splice the orange wire to.

Cheers,

=-C

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List 351, empeg 00045, 10gb, Amber