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Summary of Contents for DAVIS DriveRight
- Page 1 NSTALLATION ANUAL Product #’s: 8140, 8143, 8146, 8150...
- Page 2 ONTENTS OF ACKAGE DriveRight display 20. In-line splice (3) Battery (CR123 3V Lithium) 21. Butt splice (26-22AWG or 24-20AWG) (5) Coiled cable extension 22. Magnet Harness cable 23. Magnet mount Visor clip 24. Large tie wrap (2) Mounting bracket 25. Speed sensor with leads 6-32 x 1/2”...
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Page 3: Getting Ready
Improper installation may damage your vehicle and cause accidents and/or injuries. If you are uneasy about installing your unit please have a qualified professional complete the installation. Davis specifically disclaims any liability for injury or loss resulting from the installation or use of the DriveRight. - Page 4 • wire stripper • various screwdrivers • pliers Figure 2: Typical Installation...
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Page 5: Planning Your Installation
LANNING NSTALLATION Figure 2 illustrates the installation of the DriveRight. The sensor, sensor magnet and associated brackets mount underneath your vehicle. Figure 12 on page 11 is a sketch of a typical rear wheel drive sensor installation while Figure 17 on page 13 is a sketch of a typical front wheel drive sensor installation. - Page 6 Step 1. D ISPLAY OUNTING PTIONS The DriveRight comes with the hardware necessary for a variety of display mount- ing options. The long harness cable (4) included with the DriveRight allows you to install the display where you want it. You may, at your option, use the coiled cable extension (3) for even greater convenience.
- Page 7 Figure 4: Using the Visor Clip Loops Hooks 15 2x Figure 5: Applying VELCRO...
- Page 8 Step 2. +12V P OWER AND ROUND ONNECTIONS NOTE: Thinking ahead...In Step 5, you will bring the sensor leads, +12V wire, and ground wire to a single point of your choice under the dash and connect them to the display harness cable. Choose this single point now.
- Page 9 A ground connection may be made be inserting the spade terminal (19) under the head of a screw threaded into the vehicle chassis (Figure 8). Use a multimeter to verify the ground connection to vehicle chassis. The fusebox mounting screws are candidate connections.
- Page 10 Figure 8: Crimping the Spade Terminal Figure 9: Splicing for Unswitched +12V...
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Page 11: Step 3. Sensor Installation
Step 3. S ENSOR NSTALLATION The sensor installation requires mounting a magnet on the drive shaft of a rear wheel drive vehicle or on the in-board CV joint hub of a front wheel drive vehicle. The reed switch sensor (25) is mounted on a bracket opposite to the magnet rotat- ing on the drive shaft or in-board CV joint hub. - Page 12 Figure 12: Typical Installation (Rear Wheel Drive) Figure 13: Installing the Magnet (Rear Wheel Drive)
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Page 13: Front Wheel Drive
RONT HEEL RIVE NOTE: Thinking ahead...Choose the in-board CV joint hub you want to use by looking at how you can mount the sensor and how in Step 5 you will route the wires into vehicle cabin . Con- sider where feedthrus are and how you will make the connections in Step 6. Select an in-board CV joint hub and install the magnet (22) in its mount (23) using the large tie wrap (24) as shown in Figure 16. - Page 14 Figure 17: Typical Installation (Front Wheel Drive, Engine Mount)
- Page 15 Step 4. S ENSOR RACKET NSTALLATION ONTINUED The instructions below describe an optimal sensor bracket assembly. Due to the variations in individual cars, you will need to adapt these instructions to fit the sen- sor bracket into whatever situation exists. As you do so, it is vital to insure that THE SENSOR END PROTRUDES 3/4”...
- Page 16 Figure 19: Wrong Way To Use Brackets Step 5. W OUTING Use the split flexible tubing (36) to protect the sensor leads from sensor up into the vehicle cabin. Use the small tie wraps (37) to hold the leads against the underbody of your vehicle.
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Page 17: Step 6. Wire Connections
Step 6. W ONNECTIONS Make final connections (Figure 21). Use the butt splices (21) to connect the white sensor lead to harness cable white wire, the black sensor lead to harness cable black wire, and the red +12V wire w/ fuseholder to harness cable red wire (Figure 22). Stripped wire ends should be 3/16”- 1/4”... - Page 18 Figure 22: Crimping the Butt Connectors Figure 23: Splicing Ground Together...
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Page 19: Step 7. Initial Test
Step 7. I NITIAL To check the installation of the DriveRight, follow the test procedure below. NOTE: 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. 1. - Page 20 3. With the ignition off, insert the DriveRight display cable into the harness cable connector and lock the connectors. To do this, you will need to grasp the display cable just behind the plastic sheath covering the connector, as shown below. Push the display cable in until it locks into place.
- Page 21 4. Roll the car forward slowly so the driveshaft or CV joint hub complete at least one complete revolution. You should perform this test while the vehicle is on the ground and not on the stand. As the vehicle suspension takes up the weight of the vehicle, the driveshaft and CV joint hub move.
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Page 22: Troubleshooting Guide
ROUBLESHOOTING UIDE A successful installation requires the following. 1. White sensor wire is connected to the white wire of the harness cable. Crimp connector must be properly crimped. 2. Black sensor wire is connected to the black wire of the harness cable. Crimp connector must be properly crimped. -
Page 23: Answers To Common Questions
NSWERS TO OMMON UESTIONS • “BAT” stays on when display is connected to harness cable. The wire connections to the harness cable are probably not correct. Inspect your wiring. See 1-5 on page 21. • “BAT” comes on when ignition is turned off and display is plugged into harness cable. -
Page 24: Sensor Wire Continuity Test
• 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 “Sensor Installation” on page 10. • 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 25: Warranty And Repair Information
This warranty does not cover damage due to improper installation or use, negligence, accident, or unauthorized service, or to incidental or consequential damages beyond the Davis products themselves. Implied warranties are limited in duration to the life of this limited warranty.