Manufacturer installation detail of Custom Dynamics CD-25ST-STAB sync module connected under the seat beside the rear shock; motorcycle parts not included

Custom Dynamics Taillight Sync Module for 2025–2026 Softail

$34.95
Sale price  $34.95 Regular price 
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Manufacturer installation detail of Custom Dynamics CD-25ST-STAB sync module connected under the seat beside the rear shock; motorcycle parts not included

Custom Dynamics Taillight Sync Module for 2025–2026 Softail

$34.95
Sale price  $34.95 Regular price 

Support a compatible aftermarket taillight installation on the specified 2025–2026 Harley-Davidson Softail models.

  • Connects inline with the rear wiring harness under the seat.
  • Requires the appropriate aftermarket-taillight baseplate; the original baseplate is not the installation adapter.
  • A separate sync module is not needed when a compatible CD-STP-25ST system is installed, because it includes this function.
  • Module only. The manufacturer installation photo shows the module connected on the motorcycle; surrounding motorcycle parts are not included.

Fitment

2025–2026 Harley-Davidson Heritage Classic, Low Rider S (FXLRS) and Low Rider ST (FXLRST), when installing a compatible aftermarket taillight and baseplate.

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