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VSS Installation Guide
Product # 8126VSS

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Summary of Contents for Davis Instruments DriveRight 600E VSS

  • Page 1 VSS Installation Guide Product # 8126VSS...
  • Page 2: Table Of Contents

    • Consult the dealer or an experienced radio/TV technician for help. Changes or modification not expressly approved in writing by Davis Instruments may void the warranty and void the user's authority to operate this equipment. © Davis Instruments Corp. 2007. All rights reserved.
  • Page 3: Components

    Introduction This manual provides instructions and information necessary to install the VSS version of the DriveRight 600 device. Since the specific installation details vary from vehicle to vehicle, these instructions are intended to be a general guide for professional installers or for knowledgeable and experienced mechanics.
  • Page 4: Harness And Adapter Cables

    Harness and Adapter Cables Digital Input Adapter Cable Harness Cable Wiring Black Ground Wire (1) Red +12V Wire with Blue Wire with Fuseholder (2) (22 AWG) (22AWG) Fuseholder (2) (22 AWG) Fuses (4) (3AG 1-1/4 x 1/4", Insulated Male Disconnects (4) Spade Terminal Sets .25A, Slo-Blo) (18-22AWG)
  • Page 5: Planning Your Installation

    If you are uneasy about installing DriveRight, please have a qualified professional do the installation. Davis specifically disclaims any liability for injury or loss resulting from the installation or use of DriveRight.
  • Page 6: Wiring Diagram

    • Decide where to install the harness cable and where to connect the power and ground leads — Find a location inside the vehicle where you can bring together the harness cable leads, the VSS, power and ground tap wires and the adapter cable leads. The loca- tion must allow the adapter cable to reach the DriveRight console.
  • Page 7: Procedure 1: Install The Harness Cable

    Note: The web site “www.rostra.com’ is owned and operated by Rostra Precision Con- trols. Rostra does not provide support for DriveRight products. If you have trouble finding the VSS wire, please contact Davis Instruments Technical Support at 510- 732-7814. Note: Some base model vehicles with manual transmission and no cruise control may not have the VSS module installed.
  • Page 8 related equipment (headlights, tail lights, air bag, etc.) that you can tap into with an in-line splice. Possible candidate wires include those from the cigarette lighter, dome light, glove compartment light, clock, tail gate light, or other convenience functions. 2. Tap a red wire from the fuse holder to the unswitched +12 VDC source you located.
  • Page 9: Procedure 2: Install The Adapter Cable

    Procedure 2: Install the Adapter Cable Two digital inputs located on the adapter cable are available to monitor the on/off state of lights, including brake lights, or of other 12 VDC electrical accessories. Typically Digital Input 1 monitors the brake lights and Digital Input 2 monitors the headlights.
  • Page 10: Procedure 3: Install The Driveright Console

    two connectors together. The two cables will lock together when properly connected. Sliding Connector Housing Hold cables as shown to connect. The connector housing on the cable slides back when you make the connection, allowing the cables to lock together. Note: To disconnect the cables, hold both cables by the housing and pull apart.
  • Page 11: Finish The Installation

    ® Instructions for Using Velcro 1. Apply the two adhesive-backed Velcro loop tapes to the flat spaces on the back of the console or to the back of the bracket. 2. Attach the hook tapes to the loop tapes, then press adhesive backing of the hook tape onto your selected mounting surface.
  • Page 12: Configure The Vss Signal Settings

    3. Once plugged in, the console should display the Current Readings screen. If the display remains blank, check if the battery is properly installed in the unit. If it is, press MODE. If it remains blank, check the adapter cable and harness cable connections. Configure the VSS Signal Settings Because not all VSS signals are the same, you may need to change the...
  • Page 13: Troubleshooting

    Troubleshooting section on page 12 in this manual as well as the troubleshooting information in the DriveRight 600 User’s Guide for help. VSS DIP Switch Flow Chart Use this flow chart to determine the optimum VSS dip switch setting. 1 2 3 4 0 = OFF 0 1 0 1 1 = ON...
  • Page 14 Troubleshooting If your speed is not registering correctly, consult the following check list to help you identify the cause of the problem. • Make sure the display is reading in the units (km/hr or mph) you expect. • Hold down the Set/Clr button in the Current Screen to change the units.
  • Page 15: Specifications

    Specifications Visit our website for additional product information: www.davis- net.com. VSS Compatibility The DriveRight can work with many different VSS signals provided the switch settings of the VSS in-line circuit are set correctly. However, if the signal does not meet the specifications below it may not work.
  • Page 16: Technical Support

    If you are experiencing problems with your DriveRight, first check the cable connections and verify the calibration settings. If you are unable to solve the problem, please call Davis Technical Support. We’ll be glad to help. Most questions can be answered on the phone. You can also email us for support, or visit our website.

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