DAVIS DriveRight 8156GD Installation Manual Download Page 20

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“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.

The DriveRight console is connected to switched +12V instead of 
unswitched +12V. Connect to unsw12V. See “C12VDC 
Power and Ground Leads” on page 11.

“BAT” appears when console is connected to harness cable but flashes off 
when dot appears. See Step 4 on page 16 for a description of the dot.

The black and white wires from the sensor are connected backwards to the 
black and white wires of the harness cable or the ground connection to the 
vehicle’s chassis is spliced to the white sensor wire. Inspect your wiring. See 
Steps 1 to 5 in the “Installation Checklist” on page 17.

Dot does not appear when console is plugged into the harness cable and 
wheels are rotated (“BAT” is off).

The sensor installation may be incorrect. See Step 6 in the “Installation 
Checklist” on page 17.

Speed is zero when driving.

It is possible that you simply have not calibrated the DriveRight (see the 
User’s Guide for instructions.) If your speed remains zero, the sensor may 
not be close enough to or properly aligned to the magnet mount. Inspect 
sensor installation with vehicle resting on its wheels. Check positions of sen-
sor tip and magnet mount. If not aligned, see Step 6 in the “Installation 
Checklist” on page 17. If sensor appears aligned properly and speed 
remains zero, perform the “Sensor Wire Continuity Test” on page 19.

Speed reading is intermittent while driving at constant speeds.

The sensor mounting bracket may be interfering with the magnetic field. 
MAKE SURE THE SENSOR END PROTRUDES 3/4” (19 mm) FROM THE 
SENSOR MOUNTING BRACKET.

Otherwise, there may be too much movement in the driveshaft or in-board 
CV joint causing the magnet mount to be too far from the sensor tip on occa-
sion, or the connections may be loose. To fix this problem, inspect sensor 
installation with the vehicle resting on its wheels. Check positions of sensor 
tip and magnet mount. If not aligned, see Step 6 in the “Installation Checklist” 
on page 17.

Move sensor and magnet mount closer to universal joint on rear wheel 
drive vehicles.

Check vertical alignment of sensor bracket if bracket is mounted on the 
vehicle chassis, consider mounting bracket to engine.

If the brackets are properly installed, perform the “Sensor Wire 
Continuity Test” on page 19.

Screen goes blank when attached to harness cable.

The console is going into “sleep” mode. This only happens when the unit is 
running on battery power. Inspect your wiring. See Steps 1 to 5 in the “Instal-
lation Checklist” on page 17.

07395.043 DR GD Inst Rev D Body D146.fm  Page 18  Monday, December 1, 2003  12:02 PM

Summary of Contents for DriveRight 8156GD

Page 1: ...Product 8156GD 8156HD General Duty Heavy Duty Installation Manual ...

Page 2: ...does cause harmful interference to radio or television reception which can be determined by turning the equipment on and off the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to w...

Page 3: ... of the components shown below Make sure you have all necessary components before proceeding with the installation RQVROH 0RXQWLQJ UDFNHWV DUGZDUH 1RWH DriveRight hardware components include extra pieces not required for installation Mounting Bracket Battery CR123 3V Lithium Visor Clip Right Angle Adapter Bracket Velcro Tape 4 pair Double Sided Foam Tape 4 strips DriveRight Console Tie Wraps 12 1 ...

Page 4: ...re 22AWG Red 12V Wire with Fuseholder 22 AWG Blue Wire 2 with Fuseholder 22 AWG Spade Terminal Sets 8 10 Studs 3 5 5 mm 1 4 Studs 6 mm Fuses 4 3AG 1 1 4 x 1 4 25A Slo Blo Insulated Male Disconnects 18 22AWG T Tap Disconnects Blue 14 16AWG Red 3 18 22AWG Butt Splices 8 26 22AWG or 24 20AWG In Line Splice 5 Sensor Mounting Bracket 1 with DriveRight GD 2 with DriveRight HD Sensor Support Bracket Spee...

Page 5: ...e some or all of the following tools and materials Please review the installation instructions and make sure you have all necessary tools before proceeding with the installation 1RWH Additional tools may be required depending on your specific installation Drill and drill bits 7 64 or 2 5mm pilot hole for 6 self tapping screws 3 16 or 5mm pilot hole for 1 4 self tapping screws 5 16 or 8mm clearance...

Page 6: ...nds that DriveRight be installed by ASE Automotive Service Excellence certified technicians or professional automotive mechanics Improper installation may damage your vehicle and possibly cause accidents or injuries If your DriveRight is installed by a professional use the Installation Checklist on page 17 to check the installation 87 21 Installing DriveRight can be hazardous to both the installer...

Page 7: ...able to reach the DriveRight console Determine where to connect the digital input leads if used Digital input 1 is typically used to monitor brake lights and digital input 2 is used to monitor headlights Procedure 3 LULQJ LDJUDP Display Harness Cable Adapter Cable Butt Splices 2 Blue Wires with In Line Fuses Green Yellow Red Black Ground Digital Inputs 1 2 White Black Red Butt Splices 3 Red Wire w...

Page 8: ...et mounts on the driveshaft close to the transmission The sensor mounts adjacent to the magnet on the vehicle s chassis or floor pan 1RWH If you are installing a DriveRight HD see the special magnet mounting instructions in the Supplement for DriveRight HD on page 20 Select a mounting location on the drive shaft within 12 inches 30cm of the universal joint to account for vehicle suspension movemen...

Page 9: ... the magnet on the engine transaxle assembly 1RWH If you are installing a DriveRight HD see the special magnet mounting instructions in the Supplement for DriveRight HD on page 20 Select a mounting location on the left or right side in board constant velocity CV joint hub Choose the in board CV joint hub you want to use by looking at potential mounting locations seeing how you can route the wires ...

Page 10: ...the vehicle chassis because of engine torque 1RWH Do not use fluid retaining bolts to retain the brackets UDFNHW VVHPEO XLGHOLQHV Refer to these guidelines when you mount the speed sensor The illustration on the following page shows a typical bracket assembly Due to the variations in individual vehicles adapt the bracket as necessary to fit your particular vehicle and to maintain the required gap ...

Page 11: ...s behind the sensor bracket mounting surface before you install the bracket so you won t accidentally penetrate fuel lines brake lines vacuum lines control cables or electrical wiring Choose the mounting location for the sensor mounting bracket and support bracket Make sure the support bracket is reinforcing the sensor mounting bracket against vibration Adjust the bracket assembly for the proper g...

Page 12: ...t passes opposite the tip of the sensor Cinch tie wrap tight against CV joint hub Check the alignment of the magnet mount with end of sensor by spinning tires if possible 6HQVRU LUH 5RXWLQJ XLGHOLQHV Route the sensor wires into your vehicle using the following guidelines Use the split flexible tubing to protect the sensor wires from the sensor mounting bracket up to where they enter the vehicle ca...

Page 13: ...the unswitched 12 VDC source you located in Step 1 Use the in line splice provided with your DriveRight or use a fuse tap connector not included appropriate for your vehicle 87 21 Do not install the fuse into the fuse holder until instructed to do so Locate or make a vehicle chassis ground connection for the harness cable You can make one by inserting a spade terminal under the head of a screw thr...

Page 14: ...trical accessories Typically Digital Input 1 is connected to the brake lights and Digital Input 2 is connected to the headlights In the DriveRight software Digital Input 1 is recorded in the GPS table and in the accident logs Digital Input 2 is only recorded in the GPS table You can record the digital input status during a trip by enabling GPS in DriveRight FMS even if you aren t using the optiona...

Page 15: ... connector Push the two connectors together The connector housing on the adapter cable slides back when you make the connection allowing the cables to lock together 1RWH To disconnect the cables hold the both cables by the housing and pull apart The sliding housing on the adapter cable connector will release the lock and allow the cables to be separated 3URFHGXUH QVWDOO WKH ULYH5LJKW RQVROH The Dr...

Page 16: ...eparate the Velcro for at least 24 hours after applying 6XQ 9LVRU 0RXQWLQJ Use the visor clip to mount your console on a visor or door pocket Install the clip on the top or bottom of the console to orient the console as you wish Push the clip in until the 3rd bump engages Pan Head Self Tapping Screw Split Lock Washer Flat Washer Hex Nut Split Lock Washer Flat Washer Right Angle Adapter Bracket Mou...

Page 17: ...g that the unit is operating on battery power Press and hold 02 for 3 5 seconds until the last correct code screen appears If you have already used the console you may see the tamper time screen instead If so press 02 once to display the last correct code screen Figure 1 Last Correct Code Screen RQQHFW WKH RQVROH With the ignition off connect the adapter cable to the console cable It is easiest to...

Page 18: ...ically be over written by new data 1RWH The DriveRight must be calibrated before it will display the correct speed Look in the DriveRight 600 User s Guide for calibration instructions 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 t...

Page 19: ...d console is operating and plugged into harness cable 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 vehicle s metal chassis Sensor installation is completed as directed Sensor and magnet location on driveshaft or inboard CV joint as direct...

Page 20: ...close enough to or properly aligned to the magnet mount Inspect sensor installation with vehicle resting on its wheels Check positions of sen sor tip and magnet mount If not aligned see Step 6 in the Installation Checklist on page 17 If sensor appears aligned properly and speed remains zero perform the Sensor Wire Continuity Test on page 19 Speed reading is intermittent while driving at constant s...

Page 21: ...he magnet passes the sensor tip If so the sensor is operating properly 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...

Page 22: ...e placed Install the magnet into the holder and slide the stainless steel cable tie into the holder securing the magnet inside Note the orientation of the clasp to the holder Place the neoprene rubber strip around the driveshaft and loosely wrap the stainless steel cable tie over the rubber strip Position the magnet holder in the 1 5 gap the magnet holder should rest directly on the shaft Insert t...

Page 23: ... magnet is secure slide the tool out of the center of the coil Flatten the rolled coil against the shaft 7LJKWHQ 8VLQJ WKH HOX H 7HQVLRQ 7RRO The Deluxe Tension Tool incorporates a ratchet mechanism for extra efficiency This tool should be used if you are performing multiple installations Slide the Deluxe Tension Tool over the stainless steel cable tie as shown Squeeze the handle to apply tension ...

Page 24: ...ies are limited in duration to the life of this limited warranty Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental and consequential damages so the above may not apply to you This warranty gives you specific legal rights You may have other rights which vary from state to state 7 1 6833257 If you are experiencing problems with yo...

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