These wiring harnesses were designed for use in custom engine installations. B starting charging and choke components 1 alternator 2 electric choke 3 ground stud 4 starter motor 5 starter slave solenoid.
00982 Marine 10 Pin Mercruiser Wiring Harness Wiring Library
Mercruiser cannon plug diagram. The other thing id do is disconnect the cannon plug for the engine to instrument harness and spread the male terminals apart with a small flat screwdriver. Clean up the pins and socket holes. A ignition components 1 distributor 2 ignition coil 3 shift cutout switch. C audio warning components 1 water temperature. This is a big black rubber cannon plug. Mercruiser instrument harnesses come in lengths of 3 20 and 25 but mercruiser also has harness extension kits of 10 15 20 30 and even 45 lengths.
If youve ever tried to use an original mercury harness on a custom engine installation you know that. Cannon plug goes into item 1 in the link below. If the hose clamp is overtightened it can ruin both harnesses. They are designed to plug into a mercury engine harness. Support harness every 46 cm 18 in using industry approved fasteners. See application chart below.
Wiring harness for mercury cannon plug 65 jet 75 90 100 115 125 hp 84 850043a2 414 0043 internal engine harness fits 1996 2006 75 90 hp 65 jet 3 cyl and 100 115 125 hp engines. The pins in the plug or socket can fail to make contact. The plug is designed to be held in place with a standard hose clamp. Mercruiser style wiring pigtail mercury plug instrument side 12 this plug is for use when building a boat harness. Wiring harness adapter to convert omcmercruiser to 8 prong rectangular female plug 8 redblack wires 10 gauge all other wires 16 gauge round. 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.
Uses 14 awg wire the large red power wire and large black ground wire is 10. Mercruiser 30l engine wiring diagrams. Abyc standard coat exposed connections on gauges with liquid neoprene to avoid corrosion. You can then connect your wiring and run it to your necessary gauges switches etc. The cannon plug connection on the extension harness at engine and dash must be secured with a hose clamp to avoid a loose connection or water entry. A good tip is to unplug inspect and plug back in the main harness plug back at the engine.
Push the plug firmly back into position but use care not to overtighten the hose clamp. Gently re install and only snug up the gear clamp holding them together.
Gallery of Mercruiser Cannon Plug Diagram
