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MAN#650678:C 

 
 
 
 
 
 
 
 
 
 
 
 

 
Wiring Diagram 

 
The MLX-3004 is a direct plug in to the stock wiring harness and  
requires no additional wiring for basic operation. Optional MBM  
expansion modules, sold separately, utilize a separate wiring harness  
and are discussed in their dedicated manuals. 
 
 
 
 
 
 
 
 
 
 
 

System features 

 
INDICATORS 
The MLX-3004 features several indicators which are triggered  
by signal wires in the bike’s wiring harness. These include  
security (red key symbol), check engine (red ‘E’),  
ABS (red ‘ABS’), low fuel (amber fuel pump symbol).  
Keep in mind that all indicators may not be active  
on your bike.  
 
 
 
 
 
 
 
 
 
 
 
 
SPEEDOMETER 
The speedometer is read from the engine control module (ECM) data bus and can be calibrated to allow for changes in 
tire size or gearing.  The main speedometer reading ranges from 0-250MPH/400km/H 
 
TACHOMETER 
The tachometer is read from the ECM data bus. 
The tachometer displays RPM x1000 with a range of 500-6500 RPM.  The RPM can also optionally be shown on the 
message display which displays 0-9999 RPM. 

Low fuel 

(amber) 

Check engine 

(red) 

ABS 

(red) 

Security 

(red) 

Stock Harness 

Connector 

Option MBM 

Connector 

Summary of Contents for MLX-3004

Page 1: ...sition of the rubber gaskets one on the front between the gauge bezel and housing and on handlebar mount applications one on the back between the housing and the back plate 2 Transfer the original gaskets to the MLX 3004 then connect the large factory connector Also connect the optional MBM harness if readings for compass boost or air pressure are desired Route the MBM harness under the seat 3 Sec...

Page 2: ...mbol check engine red E ABS red ABS low fuel amber fuel pump symbol Keep in mind that all indicators may not be active on your bike SPEEDOMETER The speedometer is read from the engine control module ECM data bus and can be calibrated to allow for changes in tire size or gearing The main speedometer reading ranges from 0 250MPH 400km H TACHOMETER The tachometer is read from the ECM data bus The tac...

Page 3: ...rogramming clock set service reset FUNCTION SWITCH The factory trip reset switch on the top of the left handlebar is used as the main function switch During normal operation the function switch allows access to information including mileage RPM and performance data located within four message locations on the Speed Tach gauge The message locations have arrows indicating which message location is c...

Page 4: ... and the ones digit will begin flashing Momentarily pressing the switch will now change the minute ones Holding the switch will exit the clock set mode SERVICE RESET SERVICE DUE may appear at start up indicating your preselected service time is due The screen will go back to the last display shown To clear the service odometer after your service was completed press and release the function switch ...

Page 5: ...lor WARNING COLOR Set tach high warning color DIMMING Set dimming method SUNLIGHT Set sunlight brightness method RESET Returns all colors and settings to factory default SPEED ADJUST Adjust speed calibration 25 UNIT Select MPH or km h unit SERVICE RESET Set miles to service reset value or turn off ODO PRESET Odometer preset Can only be set within first 100 miles TACH HIGH WARNING Set high RPM warn...

Page 6: ...d then press and hold until RELEASE then release the switch STATUS CHECK Shows the unit is either WAITING for connection or CONNECTED with the app OFF turns off the Bluetooth SETUP ONLY Bluetooth is only active in setup ALWAYS ON default mode works for setup and for real time readings on your smartphone or tablet RESET resets the Bluetooth options to default useful if pairing is a problem Exit set...

Page 7: ...r color choices will not change RESET This will reset all color choices and options back to original factory colors BACK Exits menu SPEED Speed setup menu When SPEED is displayed hold until RELEASE is displayed and release the switch The selectable options are ADJUST UNIT SERVICE RESET PRESET ODO or BACK Press and release the switch to change the selection Press and hold the switch to select it AD...

Page 8: ...will roll back to 2200 RPMs Once you choose a valid warning press and hold the switch until RELEASE then release the switch Exit menu TEMP Head temperature unit setup menu Only valid if ECM is sending out cylinder head temp data When UNIT is displayed press and hold until RELEASE then release the switch The options are F C or BACK Press and release to select the unit o Setting this temperature uni...

Page 9: ...VOLT is displayed press and hold the switch until RELEASE then release the switch The low voltage warning points will range from 9 0 to 12 1 volts Press and release the switch to change the low voltage warning point Press and hold the switch until RELEASE is displayed and release Exit setup DISPLAYS Message display option menu When DISPLAYS is displayed press and hold the switch until RELEASE is d...

Page 10: ...the vehicle speed is below 5 MPH Begin riding in 1st gear The display should show WAIT 1 Ride at a steady speed and steady RPM until the message changes to SHIFT TO 2 It should only take about 20 seconds if the speed and RPMs are steady o Optional If the message continues to say WAIT 2 you can manually override and jump to the next gear by pressing and releasing the switch to store the gear positi...

Page 11: ...r of its product line In addition technical consultation is available to help you work through any questions or problems you may be having installing one of our products Please read through the Troubleshooting Guide There you will find the solution to most problems Should you ever need to send the unit back for repairs please call our technical support line 605 332 6513 to request a Return Merchan...

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