Description
The CURT 56364 custom 4-way connector provides trailer-lighting output for supported Buick Envision vehicles. It plugs into a compatible existing OEM vehicle wiring socket, avoiding the need to splice factory lamp wires or install taillight T-connectors.
Vehicle Compatibility
- 2016–2020 Buick Envision, all model styles shown in CURT's part 56364 application table.
- Confirm that the vehicle has the matching factory socket before purchasing. This is not a universal harness for other Buick models or later Envision generations.
Connector Details
- Exact CURT MPN: 56364; standard 4-way flat trailer connector.
- Plugs into the compatible OEM socket; no cutting or splicing of vehicle wiring required.
- Supports trailer running, brake and turn-signal lighting.
- Signal circuit rating: 7.5 amps per side; tail/running circuit rating: 7.5 amps total.
- Protective rubber connector dust cover included; limited one-year CURT warranty.
Locate the vehicle's OEM wiring socket and follow the supplied installation directions. Test the trailer lights after fitting. This four-pin output does not provide electric trailer braking or a seven-pin connection.
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