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DAVIS DriveRight, Installation Manual

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DAVIS DriveRight Installation Manual Download Page 22

 

21

 

4.

 

T

 

ROUBLESHOOTING

 

 G

 

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.

 

3. Sensor leads should be protected with split tubing and tie wrapped in place.  

Wires should be routed at least 12” (30cm) away from sparkplug wires, the coil, 
and the alternator.  Loops, coils, and folds should be avoided in order to avoid 
creating unwanted interference that might result in erroneous readings.

4. Unsw12V from your vehicle is connected to the red wire of the harness 

cable.

• Fuse must be installed and unbroken.

• In-line splices and /or crimp connectors must be properly crimped.

• “BAT” does not appear on display when ignition is off and display is operat-

ing and plugged into harness cable.

5. Ground connection from your vehicle is connected to the black wire from the 

sensor.

• In-line splice and spade terminal must be properly crimped.

• Screw head fastening the spade terminal must make contact to the vehi-

cle’s metal chassis.

6. Sensor installation is completed as directed.

• Sensor and magnet location on driveshaft or inboard CV joint as directed. 

• Magnet mount with magnet in place cinched tight and free to rotate.

• Magnet mount aligned with sensor tip and passing within 3/8

”

 - 5/8 (10-

16 mm).

• Sensor tip protruding 3/4

”

 (19 mm) beyond the sensor mounting bracket.

• Sensor bracket properly reinforced by support bracket against vibration.

• All fasteners properly installed and screwed down tight.

• No portion of sensor installation protruding below other nearby compo-

nents under the vehicle.

7. Display is installed and tested as directed.

• Battery is installed, “BAT” is indicated on screen prior to connecting to har-

ness cable.

• “BAT” disappears when display is plugged into harness cable with ignition 

off.

• DOT (“.”) appears and disappears if wheels are rotated or vehicle moves 

very slowly forward.

Summary of Contents for DriveRight

Page 1: ...INSTALLATION MANUAL Product s 8140 8143 8146 8150 ...

Page 2: ... tape 2 pair 16 Red 12v wire with fuseholder 22 AWG 17 Fuse 3AG 1 1 4 x 1 4 25A SLO BLO 18 Black ground wire 22 AWG 19 Spade terminal 2 20 In line splice 3 21 Butt splice 26 22AWG or 24 20AWG 5 22 Magnet 23 Magnet mount 24 Large tie wrap 2 25 Speed sensor with leads 26 1 2 brass hex nut 2 27 3 8 flat washer 28 3 8 internal tooth lock washer 29 Sensor mounting bracket 30 Support bracket 31 14 x 3 4...

Page 3: ...his case decisions such as where and how the sensor and brackets are mounted where holes are drilled how wires are routed where to locate unswitched 12V and ground and so on These decisions are best made by a knowledgeable and experienced professional Poor decisions may damage your vehi cle or cause accidents or injuries If you select professional installation use the procedure described in Initia...

Page 4: ...3 wire stripper various screwdrivers pliers Figure 2 Typical Installation ...

Page 5: ...d a source of UNSWITCHED 12V NOT USED FOR SAFETY RELATED EQUIPMENT NOTE Unswitched 12V means 12V not switched off by the ignition key The DriveRight consumes negligible power nominally 5mA and will not run down your vehicle s battery The lithium 3 0V battery inside the DriveRight is not rechargeable and is not charged by the vehicle s battery Locate a ground point to attach a ground wire spade ter...

Page 6: ...gure 5 or to the back of the brackets With the hook tapes attached to the loop tapes press adhesive backing of the hook tape onto your selected mounting surface Do not separate hook and loop tape for at least 24 hours after applying Attach the mounting bracket to the right angle adaptor bracket 12 with hardware provided as needed Figure3 Mount the reversible right angle adaptor bracket to desired ...

Page 7: ...6 Figure 4 Using the Visor Clip Figure 5 Applying VELCRO 15 2x Loops Hooks ...

Page 8: ...s for accessories such as the DriveRight You may need to buy the proper termination for use with your vehicle s fusebox consult your dealer or local auto parts store Attach the termination or connector to the end of the red 12V wire with fuseholder 16 and insert into your fusebox Otherwise select an unswitched wire exiting the fusebox that does not involve safety related equip ment such as headlig...

Page 9: ...ify the ground connection to vehicle chassis The fusebox mounting screws are candidate connections If a screw is not convenient locate a ground wire that is 22 18AWG or has the same diameter as the black ground wire Use an in line splice 20 to make the connection to the black ground wire Figure 7 Making Unswitched 12V and Ground Connection Outside Vehicle Cabin ...

Page 10: ...9 Figure 8 Crimping the Spade Terminal Figure 9 Splicing for Unswitched 12V ...

Page 11: ...ons carefully Are the attachment points strong enough What is behind any surface you want to drill into Do not drill into your gas tank or foot wells in the vehicle cabin or any location where wires might be present Check both sides of the surface before you drill A typical rear wheel drive installation is shown in Figure 12 Select a location on the drive shaft within 12 inches 30cm of the univers...

Page 12: ...11 Figure 12 Typical Installation Rear Wheel Drive Figure 13 Installing the Magnet Rear Wheel Drive ...

Page 13: ...nch the large tie wrap around the CV joint with the magnet mount oriented as shown so you can adjust its final position after the sensor is installed Do not overlap boot Do not cinch tie wrap Choose mounting locations for the sensor mounting bracket and support bracket on the transaxle engine assembly Figure 17 Do not mount the bracket on the vehicle chassis because of engine torque Do not use flu...

Page 14: ...13 Figure 17 Typical Installation Front Wheel Drive Engine Mount ...

Page 15: ... 30 The support bracket reinforces the sensor mounting bracket against vibration Do not mount the brackets as shown in Figure 19 After installing the brackets for the proper gap between the sensor tip and the magnet mount adjust the large tie wrap so that the magnet passes opposite the end of the sensor Cinch tie wrap tight against drive shaft Check the alignment of the magnet mount with end of se...

Page 16: ... against sharp points or edges and where the leads are tie wrapped to the underbody Tubing can also be used where the leads are particularly exposed If a vehicle wire bundle is readily accessible route the sensor leads along this wire bundle The sen sor leads should be routed at least 12 30 cm away from sparkplug wires the coil and the alternator Loops coils and folds should be avoided in order to...

Page 17: ...d wire Figure 22 Stripped wire ends should be 3 16 1 4 5 6 mm Use an in line splice to con nect the black ground wire to the black sensor lead near the butt splice Figure 23 Install fuse 17 in fuseholder Use a small tie wrap to secure and protect the con nections under the dash CAUTION If the connections are on the driver s side make sure the wires can not become entangled in the vehicle pedals or...

Page 18: ...17 Figure 22 Crimping the Butt Connectors Figure 23 Splicing Ground Together ...

Page 19: ...to press MODE to wake up the unit Figure 24 Installing the Battery The screen you should see is the current readings screen The word BAT should appear in the lower left corner indicating that the unit is operating on battery power Figure 25 Battery Indicator Lower Left of Screen 2 Press and hold MODE for 3 5 seconds until the last correct code screen appears If you have already used the display yo...

Page 20: ... 27 Connecting the Display Cable to the Harness Cable NOTE To disconnect the two cables hold the plastic sheath on the display cable as shown below Pull back until the two connectors separate Figure 28 Disconnecting the Display Cable and the Harness Cable When the two cables are connected the BAT should disappear indicating that the unit is drawing power from the vehicle s battery A dot may appear...

Page 21: ...f the dot does not flash as described consult the Troubleshooting section Figure 29 Dot Position at Bottom of Screen NOTE The DriveRight come with sample data pre programmed into the log so you can use all of the unit s features immediately As you use the unit this data will automatically be over written by new data 5 Road test the DriveRight by driving around and observing the readings You will n...

Page 22: ...rness cable 5 Ground connection from your vehicle is connected to the black wire from the sensor In line splice and spade terminal must be properly crimped Screw head fastening the spade terminal must make contact to the vehi cle s metal chassis 6 Sensor installation is completed as directed Sensor and magnet location on driveshaft or inboard CV joint as directed Magnet mount with magnet in place ...

Page 23: ...se enough to or properly aligned to the magnet mount Inspect sensor installation with vehicle resting on its wheels Check positions of sensor tip and magnet mount If not aligned see 6 on page 21 If sensor appears aligned properly and speed remains zero use Sensor Wire Continuity Test on page 23 Speed reading is intermittent while driving at constant speeds The sensor mounting bracket may be interf...

Page 24: ...agnet passes the sensor tip If so the sensor is operating properly 4 If no short is indicated check the wiring carefully for breaks or loose connections Probe between the white wire of the harness cable as it enters the butt connectors and Pin 2 Probe between the black wire of the harness cable as it enters the butt connectors and Pin 3 The multimeter or continuity tester should indicate a short I...

Page 25: ...has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interferenc...

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