Sierra 18-6823 Universal Wiring Harness - Converts 3-Wire Tilt and Trim Motor to 2-Wire

The Sierra 18-6823 is a universal wiring harness built to convert a 3-wire tilt and trim motor to a 2-wire design. It is used when replacing or rewiring a boat's tilt and trim motor circuit and is designed to work across brands rather than being limited to a single manufacturer's system. The harness uses color-coded wiring in blue, black, red, green, and white to keep circuit identification straightforward during installation, and it terminates in spade connectors or ring terminals so it can be connected directly to standard tilt and trim motor and relay hardware without additional adapters. As a Sierra product, it is manufactured to meet or exceed the quality of the original equipment wiring it replaces, making it a reliable option for boat owners and marine technicians handling tilt and trim electrical repairs or upgrades. Because the 18-6823 is a universal-fit harness rather than a single-application part, it is commonly stocked as a go-to solution for converting older 3-wire tilt and trim motor setups to the more common 2-wire configuration found on many modern systems. It ships as a single wiring harness unit, ready to install in place of a worn, corroded, or incompatible factory harness.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-6823
• Product Type: Wiring Harness for Tilt and Trim Motor
• Function: Converts 3-Wire Tilt and Trim Motor to 2-Wire
• Wire Colors: Blue, Black, Red, Green, White
• Connector Type: Spade Connector or Ring Terminal
• Item Dimensions: 11.5 x 10.12 x 1.12 inches
• Weight: 0.38 pounds
• UPC: 808282310950
• Compatibility: Universal, works with tilt and trim motors across brands

Fitment

The Sierra 18-6823 is a universal wiring harness and is not limited to a specific engine or motor model; it is designed to work with 3-wire tilt and trim motors that need to be converted to a 2-wire circuit, across brands.

Frequently Asked Questions

What does the Sierra 18-6823 wiring harness do? It converts a 3-wire tilt and trim motor circuit to a 2-wire design, allowing the motor to be wired into a 2-wire tilt and trim system.

Will the 18-6823 fit my boat's brand of outboard or sterndrive? Yes, the 18-6823 is a universal wiring harness designed to work with tilt and trim motors across brands rather than one specific manufacturer.

What wire colors are included in this harness? The Sierra 18-6823 harness includes blue, black, red, green, and white wires for circuit identification during installation.

What type of connectors does the 18-6823 use? This harness terminates in spade connectors or ring terminals, allowing it to connect to standard tilt and trim motor and relay hardware.

How much does the Sierra 18-6823 weigh? The Sierra 18-6823 wiring harness weighs 0.38 pounds.

What are the dimensions of the 18-6823 harness? The harness measures 11.5 x 10.12 x 1.12 inches as packaged.

Is the Sierra 18-6823 genuine OEM or aftermarket? The 18-6823 is a Sierra-branded aftermarket harness manufactured to meet or exceed the quality of the original equipment part it replaces.

Do I need any additional adapters to install this harness? No additional adapters are required; the 18-6823 comes with spade connectors or ring terminals that connect directly to tilt and trim motor wiring.

What is included when I order the 18-6823? Ordering the Sierra 18-6823 includes one complete 3-wire-to-2-wire tilt and trim wiring harness.

Can this harness be used on a 2-wire tilt and trim motor without conversion? The 18-6823 is specifically built to convert 3-wire tilt and trim motors to a 2-wire configuration, so its purpose is the conversion itself rather than direct 2-wire replacement.