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post #1 of 7 Old 06-12-2010 Thread Starter
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Where to drill a hole

Tanzer 22, new outboard with a new electric start outboard. I have built a shelf in the aft port storage area, as close to the motor mount as possible. I need to run the cables from the motor to the battery.

In order to do this, I need to drill a hole. My thought is that the best place for this will be through the transom, as high up as possible. The ends of the wires that attiach to the battery will require a 3/4 inch hole. The wires them selve are considerably smaller than 3/4 inch. My plan is to drill the hole, then wrap the wires in mastic tape to create a plug where the wires pass through the transom.

Is there a better way?
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post #2 of 7 Old 06-12-2010
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Use a cable clam to pass the wires through the hull. That will create a much more secure and watertight way for the wires to pass through the hull. Ideally, you'd need two cable clams, one for each wire, so that they seal properly.

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post #3 of 7 Old 06-12-2010 Thread Starter
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Something like this?
The problem is that the connectors are significantly wider than the cable.
This must be a common issue. Any idea what is usually used?
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post #4 of 7 Old 06-12-2010
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Sure, put the connectors on AFTER the cables are run.
Best of luck
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post #5 of 7 Old 06-12-2010
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Don't be "creative" and drill a hole in the bottom! It's been done I'm sure! You could get real fancy and enclose the wires in a flexible conduit although I'm sure it's net necessary. Congrats on the Electric start! (best thing that ever happened to outboards)

Denise, Bristol PA, Oday 30. On Tidal Delaware River, Anchor Yacht Club.
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post #6 of 7 Old 06-13-2010
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What size connector does the engine end of the cables use? The electrical cables for my 8HP outboard have 5/16" ring terminals for the battery, but the outboard has somewhat smaller terminals. Certainly wouldn't need a 3/4" hole. I have a small hole in my transom that the cables plus the fuel line run through.

But as has been said, just put the connectors on one end after you run the cables.
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post #7 of 7 Old 06-13-2010 Thread Starter
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The connectors are connected. I suppose I could snip thm and re-connect new ones, but I kind of liked the idea using the factory connections.

I should check the motor side and see if they are smaller diameter.
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