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Summary of Contents for DAVIS DriveRight 8156GD
- Page 1 General-Duty & Heavy-Duty Installation Manual Product # 8156GD, 8156HD...
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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. 1997-2003. All rights reserved. -
Page 3: Components
This manual provides installation instructions for the DriveRight 600 GD (General ' $%B9 ' $%C9 Duty), , and DriveRight 600 HD (Heavy Duty), . Since the specific installation details vary quite a bit from one vehicle to another, these instructions are intended to be a general guide for professional installers or for knowledgeable and experienced mechanics. - Page 4 Digital Input Adapter Cable Harness Cable Black Ground Wire Red +12V Wire Blue Wire (2) with Fuseholder (22 AWG) (22AWG) with Fuseholder (22 AWG) Fuses (4) (3AG 1-1/4 x 1/4", Spade Terminal Sets .25A, Slo-Blo) Insulated Male Disconnects #8-10 Studs 1/4"...
- Page 5 Various screwdrivers Pliers DriveRight Heavy Duty installation also requires one of the following tension tools available from Davis Instruments or an equivalent tension tool. See “Supplement for DriveRight HD” on page 20. ' (% Tension Tool for stainless steel cable tie,...
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Page 6: Planning Considerations
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 7 Often you can route the sensor wires through an existing feedthrough in the firewall. Decide where to install the harness cable and where to connect the power and ground leads. (Procedure 2) Find a location inside the vehicle where you can bring together the harness cable leads, the power and ground tap wires, the adapter cable leads, and the sensor cable leads.
- Page 8 87,21 Always use safety stands when working under a raised vehicle. Never work under a vehicle supported only by a jack. The speed sensor used by the DriveRight GD and HD consists of a magnet mounted on the driveshaft or CV-joint hub and a reed switch. 1.
- Page 9 Place the magnet in its mount, then slide the large tie wrap through the magnet mount to keep the magnet in place as shown below. Tie Wrap Vehicle Driveshaft Magnet Magnet Mount " Loosely cinch the large tie wrap around the drive shaft, with the magnet mount oriented as shown.
- Page 10 The gap between the magnet mount and sensor must be 3/8”-1/2” (10-13mm). There should be a clearance zone of at least 3/4” (19mm) above the drive shaft where the magnet is mounted. 3/4" (19 mm) Minimum Extension 3/4" (19 mm) Minimum Clearance 3/8"...
- Page 11 The bracket shown below provides a rigid mount for the speed sensor. Mounting Bracket Support Bracket Speed Sensor Reed Switch At low speeds excessive vehicle vibrations can cause erroneous readings if the sensor mounting bracket doesn’t provide adequate support. A correctly assem- bled bracket is shown below along with an example of a bracket assembled the wrong way.
- Page 12 " Adjust the magnet mounting position so that the magnet passes opposite the tip of the sensor. Cinch magnet mount tie wrap tight against drive shaft. Check the alignment of the magnet mount with end of sensor by spinning tires if possible. On front wheel drive vehicles the sensor is mounted on the engine/transaxle assembly adjacent to the magnet.
- Page 13 DriveRight requires an unswitched +12 VDC power source. ‚‡r) The wire used for power and ground connections should be 22-18AWG or have the same diameter as the red +12V wire with fuseholder. Locate an unswitched +12 VDC power source: Make a direct connection in the fusebox (recommended) - either using an extra accessory slot in the fuse box or using a fuse tap connector (not supplied).
- Page 14 ‚‡r) Make sure the wiring harness extends to the DriveRight console mounting location when making the following connections. Strip the white sensor wire and the white harness cable wire 3/16”- 1/4” (5-6 mm) then connect the wires using a butt splice. Strip the red +12 VDC tap wire and the red harness cable wire 3/16”- 1/4”...
- Page 15 " Connect the black ground wire from the adapter cable to chassis ground. Use in-line butt splices to connect the blue wires with fuses to the green and yellow digital input cables. Connect digital input 1 to the desired circuit, typically the brake light circuit. Connect digital input 2 to the desired circuit, typically the headlight circuit.
- Page 16 Pan Head Self-Tapping Screw Split-Lock Washer Flat Washer Hex Nut Split-Lock Washer Flat Washer Loops Right Angle Adapter Bracket Hooks Mounting Bracket Flat Head Machine Screw Bracket Mounting Velcro Mounting ® Instructions for Using Velcro Apply the two adhesive-backed Velcro loop tapes to the flats on the back of the console or to the back of the bracket.
- Page 17 Use the following steps to finish the installation. 87,21 It is not necessary to enter a code in order to perform this test. DO NOT ENTER A CODE UNTIL YOU READ THE USER’S MANUAL. Insert the battery into the DriveRight console as shown below. The screen you should see is the current readings screen.
- Page 18 " Then push the two connectors together. The connector housing on the console cable slides back when you make the connection, allowing the cables to lock together. To Connect Cables, Hold as Shown Here Sliding Adapter Cable Connector Console Cable Housing Note: To disconnect the cables, hold the both cables by the connector housing...
- Page 19 Use the following list to check a professional DriveRight installation or to help spot potential problems in an installation. White sensor wire is connected to the white wire of the harness cable. Crimp connector must be properly crimped. Black sensor wire is connected to the black wire of the harness cable. Crimp connector must be properly crimped.
- Page 20 “BAT” stays on when console is connected to harness cable. The wire connections to the harness cable are probably not correct. Inspect your wiring. See Steps 1 to 5 in the “Installation Checklist” on page 17. “BAT” comes on when ignition is turned off and console is plugged into harness cable.
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Page 21: Procedure 1. Install The Speed Sensor
Knocking sounds are coming from under the vehicle. The magnet is hitting the vehicle or mounting bracket while rotating. Inspect the sensor installation and reinstall as needed. See “Procedure 1. Install the Speed Sensor” on page 6. Current Readings are zero but everything appears properly installed. You may have loose or poor connections and/or a broken wire inside of wire insulation. -
Page 22: Install The Speed Sensor Magnet
Use these instructions to install the speed sensor magnet using a stainless steel cable tie. The stainless steel cable tie provides a more secure magnet mount for trucks or cars driven on unpaved roads or in other harsh environments. ‚‡r) Once the end of the cable tie is inserted into the 1.5"... - Page 23 Æ '(% The Tension Tool, , operates like a screw-driver and is best used for single installations. Trim the stainless steel cable tie using cutters or tin snips so that 2” remains protruding from the clasp. Insert the end of the stainless steel cable tie into the slot at the end of the tightening tool.
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Page 24: Technical Support
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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