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techtalk:evo:elec03 [2024/01/28 17:07]
ixl2relax [Tail Light, Brake Light and License Light] 		techtalk:evo:elec03 [2024/04/10 14:40] (current)
ixl2relax [Tail Light, Brake Light and License Light]
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 **1986-1998** - The stock tail light / brake light bulb for these models was a bayonet type bulb (P/N 68168-89A). Generically,​ it is known as a #1157 bulb. See the description of the dual-element Run/​TurnSignal bulbs [[techtalk:​evo:​elec03#​turn_signal_bulbs_sockets|BELOW]] as the bulbs are the same and the socket similar. **1986-1998** - The stock tail light / brake light bulb for these models was a bayonet type bulb (P/N 68168-89A). Generically,​ it is known as a #1157 bulb. See the description of the dual-element Run/​TurnSignal bulbs [[techtalk:​evo:​elec03#​turn_signal_bulbs_sockets|BELOW]] as the bulbs are the same and the socket similar.
  
-**1999-2003E** - A new distribution circuit board was added to the tail light assembly. The turn signals & tail light all connect here. The main wiring harness uses the under-fender sub-harness to provide power & control signals to the distribution circuit board (See Diagram for detailed connections).+**1999-2003E** - A new distribution circuit board was added to the tail light assembly. The turn signals & tail light all connect here. The main wiring harness uses the under-fender sub-harness to provide power & control signals to the distribution circuit board (See Diagram for detailed connections). The connector on the (2-pin) right rear TS cable is BLACK while the LEFT is WHITE. Tail light / brake light uses a (4-pin) BLACK connector.
  
 **NOTE:** There have been a number of situations where the Taillight Circuit Board becomes corroded and any/all contacts become intermittent or low-grade shorts. Because there is an opening from the fender to the circuit board area, it allows moisture (if not road debri) to cause oxidation. This is especially problematic if the bike is left outside or operated in the rain. It's a good idea to check & thoroughly clean this board and each connector with circuit cleaner at least once per year, using dielectric grease on the contacts. **NOTE:** There have been a number of situations where the Taillight Circuit Board becomes corroded and any/all contacts become intermittent or low-grade shorts. Because there is an opening from the fender to the circuit board area, it allows moisture (if not road debri) to cause oxidation. This is especially problematic if the bike is left outside or operated in the rain. It's a good idea to check & thoroughly clean this board and each connector with circuit cleaner at least once per year, using dielectric grease on the contacts.
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 **2003L-later** - Mid-year of 2003 there was a change to a wedge type bulb (P/N 68167-88). Generically,​ it is know as a #3157 bulb. Later, the HD bulb P/N was changed (P/N 68167-04), but the same generic #3157 bulb is compatible. The physical mounting socket is a twist-lock type that mounts on the lens with a short cable (P/N 68370-03A) that plugs into the distribution circuit board. **2003L-later** - Mid-year of 2003 there was a change to a wedge type bulb (P/N 68167-88). Generically,​ it is know as a #3157 bulb. Later, the HD bulb P/N was changed (P/N 68167-04), but the same generic #3157 bulb is compatible. The physical mounting socket is a twist-lock type that mounts on the lens with a short cable (P/N 68370-03A) that plugs into the distribution circuit board.
  
-**2011 - later** - All Custom model Sportsters received a new, self-contained,​ LED Tail Light assembly (P/N 69352-11A). The LEDs are integrated into the lens assembly and cannot be replaced separately. Non-Custom Sportster models thru 2020 (with a center tail light) continued to use the distribution circuit board & the #3157 type bulb. Other Sportster models implemented brake lighting using the LED Turn Signals and had no center tail light.+**2011-later** - All Custom model Sportsters received a new, self-contained,​ LED Tail Light assembly (P/N 69352-11A). The LEDs are integrated into the lens assembly and cannot be replaced separately. Non-Custom Sportster models thru 2020 (with a center tail light) continued to use the distribution circuit board & the #3157 type bulb. Other Sportster models implemented brake lighting using the LED Turn Signals and had no center tail light. 
 + 
 +**2014-2020** - The under-fender wiring was changed when the CANbus controllers were implemented. Two wiring colors changed and causes some confusion because the wire that is RED/Yellow color is used differently in those years. The other four wiring colors & functions remained the same (into the same version distribution circuit board). 
 + 
 +|  Under-fender Wiring ​ || Wire Color | Function | 
 +|  1999-2013 ​ |  Pin1  |  ORANCE/​White ​ | Power From Accessory Fuse | 
 +|  :::  |  Pin4  |  RED/​Yellow ​ | Power From Brake Lever(s) | 
 +|  2014-2020 ​  ​| ​ Pin1  |  RED/​Yellow ​ | Power From BCM (Accy Circuit) | 
 +|  :::   ​| ​ Pin4  |  BLUE/​Red ​ | Power From BCM (for Brake Light) |
  
 \\ \\
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 2004-06 Self-Cancelling Turn Signal Function</​font>​ ((Diagram created by IXL2Relax of the XLForum)) 2004-06 Self-Cancelling Turn Signal Function</​font>​ ((Diagram created by IXL2Relax of the XLForum))
  
-In 2004, HD implemented on the Sportster models a TSM which was also used on the BT models. This TSM includes all the functions of the previous versions plus added the Bank Angle Sensor (BAS) function which allows cancelling the turn signals based on lean angle. This TSM implemented control over the Starter Relay in communications with the Ignition Control Module. There is a variation of the TSM which adds security features (known as a TSSM - Turn Signal/​Security Module). Either one of these (TSM or TSSM) are located under the battery.+In 2004, HD implemented on the Sportster models a TSM which was also used on the BT models. This TSM includes all the functions of the previous versions plus added the Bank Angle Sensor (BAS) function which allows cancelling the turn signals based on lean angle. ​The TSM must be mounted upright for the BAS to operate properly. 
 + 
 +This TSM implemented control over the Starter Relay in communications with the Ignition Control Module. There is a variation of the TSM which adds security features (known as a TSSM - Turn Signal/​Security Module). Either one of these (TSM or TSSM) are located under the battery.
  
 {{  :​techtalk:​evo:​elec:​07-tsm-location.jpg?​300|Image from HandOverFist at XLForum threadid=1318832}} {{  :​techtalk:​evo:​elec:​07-tsm-location.jpg?​300|Image from HandOverFist at XLForum threadid=1318832}}
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 The TSM now monitors the current used when the turn signals flash. (This fact, and some anedotal evidence, seems to indicate that these modules are capable of properly handling variations in the current load of the bulbs that are used.) ​ The TSM now monitors the current used when the turn signals flash. (This fact, and some anedotal evidence, seems to indicate that these modules are capable of properly handling variations in the current load of the bulbs that are used.) ​
  
-This module receives a positive signal from the left or right handlebar switch when pressed (these are momentary action switches). This begins the turn signal flashing function. The function continues as long as the switch is held down. When the switch is released, the module, in communications with the speedometer,​ calculates the amount of distance travelled. Once the predefined distance is travelled, the unit turns off the flashing function. It will also turn off the flashing function within 2 seconds after determining (using the BAS) that a turn has been completed. If the right turn signal switch is pressed while the left turn signal is flashing, the left will stop and the right side will begin a flashing sequence (same if right is flashing & left TS switch is pressed). Any time during the flashing sequence, if the same switch is pressed again, the flashing will stop.+This module receives a positive signal from the left or right handlebar switch when pressed (these are momentary action switches). This begins the turn signal flashing function. The function continues as long as the switch is held down. When the switch is released, the module, in communications with the speedometer,​ calculates the amount of distance travelled. Once the predefined distance is travelled, the unit turns off the flashing function. It will also turn off the flashing function within 2 seconds after determining (using the BAS) that a turn has been completed. ​The TSM must be mounted upright for the BAS to operate properly. 
 + 
 +If the right turn signal switch is pressed while the left turn signal is flashing, the left will stop and the right side will begin a flashing sequence (same if right is flashing & left TS switch is pressed). Any time during the flashing sequence, if the same switch is pressed again, the flashing will stop.
  
 The 4-way flasher function is activated by momentarily pressing both the left and right turn signal buttons at the same time and cancelled in the same way. The 4-way flasher function is activated by momentarily pressing both the left and right turn signal buttons at the same time and cancelled in the same way.
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 In 2014, the handlebar switch housings were changed again (matching the FX-style models). The switch sets (both left & right) are now implemented with intelligent components. They no longer send their individual switch functions on separate wires, but instead communicate with the BCM/ECM using the CANbus to send the status of the individual switches. Left controls include Headlight Hi/​Lo/​Flash,​ Horn/Trip Button and the Left Turn Signal Button. Right controls include Start/​Hazard,​ OFF/Run and Right Turn Signal Button. In 2014, the handlebar switch housings were changed again (matching the FX-style models). The switch sets (both left & right) are now implemented with intelligent components. They no longer send their individual switch functions on separate wires, but instead communicate with the BCM/ECM using the CANbus to send the status of the individual switches. Left controls include Headlight Hi/​Lo/​Flash,​ Horn/Trip Button and the Left Turn Signal Button. Right controls include Start/​Hazard,​ OFF/Run and Right Turn Signal Button.
  
-The BCM receives a signal on the CANbus from the left or right handlebar switch when pressed (these are momentary action switches). This begins the turn signal flashing function. The function continues as long as the switch is held down. When the switch is released, the module, in communications with the Electronic Control Module (ECM), calculates the speed and amount of distance travelled. Once the predefined distance is travelled, the unit turns off the flashing function. It will also turn off the flashing function within 2 seconds after determining (using the BAS) that a turn has been completed. If the right turn signal switch is pressed while the left turn signal is flashing, the left will stop and the right side will begin a flashing sequence (same if right is flashing & left TS switch is pressed). Any time during the flashing sequence, if the same switch is pressed again, the flashing will stop.+The BCM receives a signal on the CANbus from the left or right handlebar switch when pressed (these are momentary action switches). This begins the turn signal flashing function. The function continues as long as the switch is held down. When the switch is released, the module, in communications with the Electronic Control Module (ECM), calculates the speed and amount of distance travelled. Once the predefined distance is travelled, the unit turns off the flashing function. It will also turn off the flashing function within 2 seconds after determining (using the BAS) that a turn has been completed. The TSM must be mounted upright for the BAS to operate properly. If the right turn signal switch is pressed while the left turn signal is flashing, the left will stop and the right side will begin a flashing sequence (same if right is flashing & left TS switch is pressed). Any time during the flashing sequence, if the same switch is pressed again, the flashing will stop.
  
 The 4-way flasher function is activated by temporarily pressing the upper portion of the Start Button, which has a Hazard Triangle Symbol. The Ignition & RUN switch must be ON. Once activated, the ignition can be turned off and the hazard flashing will continue operating for two hours or until turned off. To turn off the flashing, the Ignition & RUN switch must be ON, then the Hazard Button is pressed again. The 4-way flasher function is activated by temporarily pressing the upper portion of the Start Button, which has a Hazard Triangle Symbol. The Ignition & RUN switch must be ON. Once activated, the ignition can be turned off and the hazard flashing will continue operating for two hours or until turned off. To turn off the flashing, the Ignition & RUN switch must be ON, then the Hazard Button is pressed again.
  
-On all of these 2014-2018 models, the front TS units have dual-element bulbs (P/N 68168-89A - #1157) that provide Running & Turn Signal functions. On models with a center tail light, the rear TS units have single-element bulbs (P/N 68163-84 - #7506 generic) that provide Turn Signal functions only.+On all of these 2014-2018 models, the front TS units have dual-element bulbs (P/N 68168-89A - #1157 generic) that provide Running & Turn Signal functions. On models with a center tail light, the rear TS units have single-element bulbs (P/N 68163-84 - #7506 generic) that provide Turn Signal functions only.
  
 **Rear Turn Signals - Exceptions:​**\\ **Rear Turn Signals - Exceptions:​**\\

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