50 StreetPilot 7200/7500 Owner’s Manual
APPENDIX
Connecting the DR Cable to the Vehicle
1. Connect the Orange DR 1 wire to the Vehicle
Speed Sensor Signal. Do not connect to the
vehicle speed sensor signal from the ABS
control. (Note: For backup Camera, you only
need to connect DR 2.)
2. Connect the Green DR 2 wire to the Reverse
Light Switch.
Connecting the DR Cable to the 7500
1. Open the weather cap on the 12-Volt plug to
access the DR connector.
2. Plug the end of the DR cable into the connector.
Push the plug in until it is fully seated.
Setting Up the 7500 Software for DR
From the Menu page, touch Settings > Navigation >
> Dead Reckoning Setup > Settings.
Odometer Wave Type—select Square Wave or Sine
Wave. Determine the proper setting by contacting the
vehicle manufacturer or by using an oscilloscope. Square
Wave is the most common type.
Reverse Light Polarity—select High or Low. Contact
the vehicle manufacturer for polarity or check with a
voltmeter. Set to High (most common) if a positive,
high voltage is detected when the reverse lights are
illuminated. Set to Low if no voltage or low voltage is
detected when the reverse lights are illuminated.
DR 2 - Green to Reverse Light Switch
DR 1
DR 2
DR 1 - Orange to Vehicle Speed Sensor Signal
Do NOT cut or splice the cable
between the limiter and plug.
If you need to cut or splice the
cable, cut or splice past limiter.
