J1939 Y Connector
J1939 Y Connector is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
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Connect the compatible Big Boss tuner to the truck’s diagnostic interface with this J1939 Y-connector. It provides the physical connection for the interface identified in the product name.
The pin count and communication format are what distinguish these adapters. J1708 and J1939 versions serve different connections, so choose the one used by the truck and tuner setup. This listing covers the connector or adapter accessory.
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