Pioneer AVH-P7490DVD Owner's Manual page 157

This Product
(DVD Player)
Light green
Used to detect the ON/OFF status of the parking brake.
This lead must be connected to the power supply side
of the parking brake switch.
Note:
• The position of the parking brake switch depends
on the vehicle model. For details, consult the
vehicle Owner's Manual or dealer.
Power supply side
Ground side
Connection method
Clamp the parking brake
switch power supply side
lead.
Clamp firmly with
needle-nosed pliers.
Parking brake switch
156