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Remote Engine Start Neutral Safety Switch Bulletin

A neutral safety switch is a mechanism on almost every vehicle equipped with 
an automatic transmission. The neutral safety switch prevents the vehicle from 
starting while the gear shift selector is in "Reverse" or "Forward" gear positions.

There are basically two types of neutral safety switches. The most common is
the mechanical (separate) neutral safety switch. A small group of vehicles use
a combined neutral safety switch.

Type "A" (separate)

The mechanical neutral safety switch is located between the ignition switch
and the starter solenoid. The starter wire runs directly from the back of the
ignition switch to the neutral safety switch and then to the starter solenoid.
When adding a remote engine starter, make starter wire connections as close
to the ignition switch as possible to ensure your connections are between the
ignition switch and the neutral safety switch.

Type "B" (combined)

Some vehicles combine the neutral safety switch and the steering column shift 
mechanism together. The starter wires run from the "combined" switch directly 
to the starter solenoid. The remote start wire connection cannot be made
between the ignition switch and the neutral safety switch. As a result, if the
vehicle was left in gear with the key in the ignition and not in the locked
position, the vehicle could move forward or backward if a remote start
attempt was made.

The combined  type neutral safety switch requires an additional relay to
prevent the vehicle from remote starting while the key is in the ignition. Use
the attached test procedure and relay wiring diagrams. Install the complete
remote start unit and test all safety features before conducting the test
procedure.

Currently, the only vehicles with the combined  neutral safety switch that
Avital is aware of are General Motors trucks, GM sport utility vehicles, GM
column shift passenger cars and Dodge Dakota pickup trucks. There may be
additional vehicles with the combined neutral safety switch that require the
additional relay.

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AviStart 6501 Installation Manual

Summary of Contents for AVISTART 6501

Page 1: ...AviStart 6501 Installation Manual ...

Page 2: ...le anyone including pets is in the vehicle NEVER attempt to remote start the engine while the vehicle is in an enclosed area without sufficient ventilation NEVER attempt to remote start the engine while the keys are in the ignition Always be sure the gearshift selector is in Park and the emergency brake is on before attempting to remote start the vehicle Keep the AviStart remote controls out of th...

Page 3: ...umination 1 0 Channel 2 Accessory Output Trunk Release 1 0 Channel 6 Accessory Output 1 0 Channel 9 Accessory Output 1 0 Remote Start Armed Signal Output 1 0 Factory Alarm Disarm Output 1 0 Factory Alarm Rearm 1 1 Accessory Remote Start Input 1 1 Glow Plug Light Input 1 2 Trunk Switch 1 2 Ignition Switch Connections 1 2 Tach Wire RPM Monitoring 1 4 Door Lock Unlock 1 4 Remote Engine Start Neutral ...

Page 4: ...tery 4 Keep extensions as short as possible Use same gauge wires for short extensions and larger gauge wires for longer extensions 5 Before installing discuss the placement of the LED indicator and valet switch with the vehicle owner 6 DO NOT disconnect the battery cables Make all connections by removing the bolts from the cable clamps without detaching the clamp 7 Turn off dome light or remove do...

Page 5: ...3 AviStart 6501 Installation Manual Main Wiring Diagram 16 Pin ...

Page 6: ...Main Wiring Diagram 14 Pin 4 AviStart 6501 Installation Manual ...

Page 7: ...5 AviStart 6501 Installation Manual Satellite Relay Module Diagram ...

Page 8: ...Lock Polarity or Input Select 14 Pin Connector Pin Number Wire Color Description 1 GRAY Alarm Armed Signal Output 2 GRAY BLACK Remote Start Activated Output 3 GRAY WHITE Factory Alarm Disarm Output 4 DARK BLUE Channel 2 Output Trunk Release 5 LIGHT BLUE Channel 6 Output 6 BLUE YELLOW Channel 9 Output 7 Not Used 8 RED Battery 9 WHITE Door Trigger 10 VIOLET Siren Horn Output 11 WHITE BLACK Interior ...

Page 9: ...e 3 Route the antenna cable up through the driver side windshield pillar behind the headliner and behind the rear view mirror 4 Fasten the antenna to the windshield with the attached adhesive tape Attach the antenna vertically so the rubber tip on the end of the antenna is facing downward Wireloom 1 Plug the wirelooms securely into the control unit and satellite relay module 2 Route wires from the...

Page 10: ...e steering column housing or steering column support bracket DO NOT mount the sensor near moving parts or in the direct path of an air duct opening 1 Plug the impact sensor BLUE 4 pin connector into the control unitBLUE 4 pin connector 2 Route the impact sensor harness to the chosen mounting location 3 Using the long tie wraps supplied securely fasten the impact sensor allowing access to the adjus...

Page 11: ...If the parking lights are positive trigger connect the RED WHITE wire to the battery positive terminal through the 20 amp fuse assembly NOTE Do not connect the RED WHITE wire to the control unit RED wire 2 If the parking lights are negative trigger connect the RED WHITE wire to control unit BLACK wire 3 Connect the RED BLACK wire to the vehicle parking light wire Reverse Light I CAUTION Some vehic...

Page 12: ...ally pressed the output will stay at ground as long as the buttons are held This output can be used for optional accessories such as window roll up down or any other accessory requiring a input Channel 9 Accessory Output The BLUE YELLOW wire provides a 0 75 second output when the SILENT and START buttons are pressed at the same time for 1 2 seconds If the SILENT and START button are continually pr...

Page 13: ... ground while the driver door key cylinder is turned to the LOCK position If you are interfacing with the vehicle power door locks use the diagram at right If not proceed to step 2 2 If you are not interfacing with the vehicle power door locks connect the AviStart BLUE WHITE wire to the vehicle arm wire TheBLUE WHITE wire will provide a single 2 second output five seconds after the engine is shut ...

Page 14: ...t ORANGE BLACK wire to the vehicle glow plug might wire NOTE Do not use both pre ignition and glow plug light monitoring at the same time use one or the other Trunk Switch 1 Locate the vehicle trunk switch that shows ground when the trunk is open only 2 Connect the alarm module TAN BLACK wire to the vehicle trunk switch wire 3 If the vehicle does not have a trunk switch install a pin switch and co...

Page 15: ...5 on the following page Do not use theGRAY wire to power more than one heater AC wire 1 Use a voltmeter to find the wire s that show 12 volts when the ignition key is in the ON position 0 volts while the starter is cranking and 12 volts while running 2 Cut this wire in half Start the vehicle and turn the blower switch on The blower should not turn on 3 Connect the GRAY wire to the heater AC wire 4...

Page 16: ...ug On most vehicles the tach wire is easily accessible If the tach wire is not accessible there are several alternative choices Contact Avital Technical Support Department for alternate choices The following procedure for testing the vehicle tach wire is not exact and may vary with different vehicle make model and year We recommend that you refer to your AviFax documents for tach color code and lo...

Page 17: ...bined Some vehicles combine the neutral safety switch and the steering column shift mechanism together The starter wires run from the combined switch directly to the starter solenoid The remote start wire connection cannot be made between the ignition switch and the neutral safety switch As a result if the vehicle was left in gear with the key in the ignition and not in the locked position the veh...

Page 18: ...ages 5 Activate the remote engine starter 6 If the vehicle starter engages immediately press the brake pedal to disengage shut down the remote start You have a combined type neutral safety switch and you will have to add an additional relay as shown in the diagram 7 If the vehicle starter does not engage no additional relays are required All vehicles have a key in the ignition reminder circuit key...

Page 19: ...17 AviStart 6501 Installation Manual GeneralMotorsSportUtilityVehicles Trucksand ColumnShiftPassengerVehicles DodgeDakotaPickupTrucks ...

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Page 22: ...20 AviStart 6501 Installation Manual ...

Page 23: ...21 AviStart 6501 Installation Manual ...

Page 24: ...n closed and presses the hood switch straight down to prevent wear Siren 1 Choose a location in the engine compartment away from high heat engine components moving parts and direct exposure to water 2 Make sure the siren and siren wires cannot be seen or reached from below the vehicle 3 Mount the siren with the two self tapping screws to a solid metal surface 4 Connect the siren BLACK wire to the ...

Page 25: ...wire fuse assembly 13 Install the two 20 amp fuses in the 10 ga RED wire fuse assemblies Mandatory RPM Programming In order to remote start the vehicle engine and prevent over grinding of the starter motor the engine RPM must be programmed into the system memory 1 Start the engine with the ignition key Let the engine warm up until it reaches a normal idle RPM typically 700 900 RPM 2 Turn the ignit...

Page 26: ...e LED on solid red 2 Select the feature you wish to program from the Programming Table for System Features or the Programming Table for Remote Controls on pages 25 26 Note the number of chirps associated with that feature 3 Turn the ignition key to the ON position 4 Within 10 seconds begin flicking the valet switch on and off The siren will chirp once each time you flick the switch on then off 5 C...

Page 27: ...ond Delay for Ignition Controlled Lock 0 Second 13 Wait 3 seconds the siren will chirp once for 3 seconds twice for 0 second RPM Door Lock OFF 14 Wait 3 seconds the siren will chirp once for OFF twice for ON Door Trigger By pass When Remote Engine Start OFF 15 Wait 3 seconds the siren will chirp once for OFF twice for ON Warn away 3 Times Trigger or Only Chirps 3 Times Trigger 16 Wait 3 seconds th...

Page 28: ...Output A H Buttons 29 Press A H Buttons the siren will chirp 6 times Remote Controlled Sensor Bypass d H Buttons 30 Press d H Buttons the siren will chirp 7 times Temperature Controlled Start Active Inactive d s Buttons 31 Press d s Buttons the siren will chirp 8 times Channel 9 Remote Controlled Accessory Output H s Buttons 32 Press H s Buttons the siren will chirp 9 times One Step Remote Code Le...

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