Electrical Systems - Wiring Harnesses

Custom MerCruiser Style Engine Harness - This unit is a Mercury style engine plug with 6-ft of un-terminated wire extending from it for the do-it-yourself installer.

These wiring harnesses were designed for use in custom engine installations. If you've ever tried to use an original Mercury harness on a custom engine installation you know that all of the wires either aren't located where you need them, or they're the wrong length. And there's so many that end up not being used. We have stepped in to build both a custom harness and a do-it-yourself harness using a factory Mercury style engine plug. Don't suffer from a tangled spaghetti-wire nightmare. Both the custom and universal harnesses are engineered of the highest quality wire,connections, terminals, and components.

Note: Uses 14 AWG wire

Big Block Chevy Mercruiser Style Engine Harness For MSD Ignition

These wiring harnesses were designed for use in custom engine installations that use an MSD Ignition Box. Don't suffer from a tangled spaghetti-wire nightmare. Both the custom and universal harnesses are engineered of the highest quality wire, connections, terminals, and components. Harness is 6 ft. long.

Note: Uses 14 AWG wire

Terminal Block Style Complete Boat Wiring Harness - 20 Foot Wired For Voltmeter

Wiring your boat doesn't have to be a hassle due to tangled wires, bad connections, and guess work. Poor wiring can ruin a boat these boat harnesses use 275 degree, thermal crossed linked wire that won't kink and is abrasive resistant. Don't take chances with your boat; trust the leader in marine wiring, Hardin Marine.

Note: Uses 14 AWG wire

30 Ft. Boat Wiring Harness, Wired for Voltmeter and Mercury Style Cannon Plug

Wiring your boat does not have to be a hassle due to tangled wires, bad connections, and guess work. Poor wiring can ruin a boat. These boat harnesses use 275 degree, thermal crossed linked wire that will not kink and is abrasive resistant. Don’t take chances with your boat; trust the leader in marine wiring, Hardin Marine.

Note: Uses 14 AWG wire

Universal Mercury Plug Harness 20 FT (Male Plug)

This plug is for use when building a boat harness. They are designed to plug into a Mercury engine harness. This is a perfect start for the handy do-it-yourselfer. This universal style harness will provide connections for power, ignition and sender wires for the engine. Additional wiring is required to complete a factory style harness.

Note: Uses 16 AWG wires, red and black wires are 10 AWG.

Terminal Block Style Marine Engine Wiring Harness - Big Block/Small Block Chevy

Wiring your boat's engine can be simple and easy. Take the frustration out of bad connections. These weather proof correct fit engine harnesses make the perfect choice for a new boat or to update an old boat. Save time and money with the right harness. NOTE: Bracket is universal fit and may require bushings or washers on one side of the bracket when mounting (not included).

Note: Uses 14 AWG wire

Terminal Block Style Marine Engine Wiring Harness - 460 Ford

Wiring your boat's engine can be simple and easy. Take the frustration out of bad connections. These weather proof correct fit engine harnesses make the perfect choice for a new boat or to update an old boat. Save time and money with the right harness. NOTE: Bracket is universal fit and may require bushings or washers on one side of the bracket when mounting (not included).

Note: Uses 14 AWG wire

Terminal Block Style Marine Engine Wiring Harness - Oldsmobile

Wiring your boat's engine can be simple and easy. Take the frustration out of bad connections. These weather proof correct fit engine harnesses make the perfect choice for a new boat or to update an old boat. Save time and money with the right harness. NOTE: Bracket is universal fit and may require bushings or washers on one side of the bracket when mounting (not included).

Note: Uses 14 AWG wire

MerCruiser Style Wiring Pigtail - Mercury Plug, Instrument Side 12"

This plug is for use when building a boat harness. They are designed to plug into a Mercury engine harness. You can then connect your wiring and run it to your necessary gauges, switches, etc.

Note: Uses 14 AWG wire, the large red power wire and large black ground wire is 10 AWG wire.

Stainless Steel Wiring Harness Cannon Plug Mount/Breaker Mount

These mounts provide a strong non-corrosive engine wiring harness plug mount. And, they can be universally mounted.

Universal Engine Harness for use in multiple engine applications. The wires are 6' long and do not have any terminals on the engine ends.

Note: Uses 14 AWG wire

Universal Engine Harness w/ Solenoid Kit for use in multiple engine applications. The wires are 6' long and do not have any terminals on the engine ends.

Note: Uses 14 AWG wire

Start Solenoid Kit

Note: Uses 14 AWG wire

• Single exterior jacket with 4 interior 18AWG primary wires independently insulated (Black, Red, Green, Blue)
• Electro-Tinned Copper that is Oxygen Free for maximum corrosion resistance
• Stranded wire for ultimate flexibility
• Voltage Rating: 300V
• Temperature Range: -4°F to 221°F
• CEA-2015 & BC-5W2 Marine Compliant
• Exceeds automotive SAE wiring requirements
• Meets ABYA and US Coast Guard specifications
• Sold by the Spool - 150 ft.

Designed by boaters for boaters.  This wire is made to ensure that the lighting added to your boat stays as bright and dependable as when you first envisioned it.

• Single exterior jacket with 5 interior 18AWG primary wires independently insulated (Black, Red, Green, Blue, White)
• Electro-Tinned Copper that is Oxygen Free for maximum corrosion resistance
• Stranded wire for ultimate flexibility
• Voltage Rating: 300V
• Temperature Range: -4°F to 221°F
• CEA-2015 & BC-5W2 Marine Compliant
• Exceeds automotive SAE wiring requirements
• Meets ABYA and US Coast Guard specifications
• Sold by the Spool - 150 ft.

Used with NMEA 2000 systems and connectors. Available from 0.5 meter (1.6 ft.) to 10 Meter (32.8 ft.) Lengths. Drop cables are smaller in diameter than backbone cables and more flexible allowing easier connections and installations. The blue connectors correspond to other Bluewater brand NMEA 2000 connectors for a simple color coded installation

BlueWater's NMEA 2000 1/2 Meter Strip Cable comes with blue couplers on the Female end. This strip cable is easily connectible to other NMEA 2000 products, and has exposed conductors for easy wiring. The blue connectors correspond to other Bluewater brand NMEA 2000 connectors for a simple color coded installation.

The BlueWater NMEA 2000 Power Cable and Tee is used to connect a NMEA 2000 network to a power connection. This Power Cable and Tee comes in all black, including black couplers.

Used with NMEA 2000 systems and connectors. Available in one, two, three and four connector fittings. The blue connectors correspond to other Bluewater brand NMEA 2000 connectors for a simple color coded installation. The two, three and four way tee connectors allow for multiple drop cables to be connected without the use of additional backbone cables.

NMEA 2000 Terminators allow for proper termination of an NMEA 2000 network. The blue connectors correspond to other Bluewater brand NMEA 2000 connectors for a simple color coded installation. One male and one female terminator is required for each NMEA 2000 network.