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Cost to Rewire Boat

Posted on 11/6/18 at 7:35 am
Posted by reds on reds on reds
Birmingham
Member since Sep 2013
4203 posts
Posted on 11/6/18 at 7:35 am
Looking at purchasing a 21' Bay Boat. What's a typical rewire cost for a hull this size? Trolling motor/nav lights/bilge pump/livewell/etc.
Posted by lessstressmorefishin
Member since Aug 2015
197 posts
Posted on 11/6/18 at 8:00 am to
about tree fiddy
Posted by HotKoolaid
Member since Oct 2017
444 posts
Posted on 11/6/18 at 8:13 am to
A total rewire? Thousands of dollars.

I helped a friend wire his 21 foot Haynie and it had $1,500 in parts alone without buying anything special. We are pretty quick and it still took a little over 35 hours.
Posted by reds on reds on reds
Birmingham
Member since Sep 2013
4203 posts
Posted on 11/6/18 at 8:21 am to
quote:

A total rewire? Thousands of dollars.


Really only needs rewire for bilge/livewell but was going to rewire everything else if it wasn't crazy, which after doing some research sounds like it is.
Posted by Finchboyz
Choclate city
Member since May 2018
514 posts
Posted on 11/6/18 at 9:42 am to
I buy all my wire from genuinedealz.com they have the best prices on good marine wire that I have seen.

trolling motor will be the most expensive part when you factor in the larger gauge wire, breaker and connections you're probably around $150.

The smaller wire for the lights, pumps etc wont be that much. I would think a shop would charge 5-6 hours of labor so around $500.
Posted by KemoSabe65
70605
Member since Mar 2018
5135 posts
Posted on 11/6/18 at 9:46 am to
The yard i use is $85/hour, so labor only will be at least $600. I have been quoted $2k for rewire on my 24' bay boat. It's a tedious job so having it done right is going to cost.
Posted by Finchboyz
Choclate city
Member since May 2018
514 posts
Posted on 11/6/18 at 9:50 am to
Yeah it will cost a fortune to have the whole boat rewired.
Posted by TopWaterTiger
Lake Charles, LA
Member since May 2006
10200 posts
Posted on 11/6/18 at 9:54 am to
cost me approx $3k to do my 24 Kenner. Total rewire, w new switches and new perko and 4 new batteries. Granted my local guy charges too much an hour, but he is good.
Posted by Barneyrb
NELA
Member since May 2016
5100 posts
Posted on 11/6/18 at 10:51 am to
Do it yourself, draw you a wiring diagram you can read and go from there. A couple of things to remember is a wiring diagram is a roadmap for electricity and everything starts on the positive side and will end on the negative side.

Use tinned marine wire, rosin core solder, and heat shrink for it and should be good.
Posted by Wtodd
Tampa, FL
Member since Oct 2013
67482 posts
Posted on 11/6/18 at 12:23 pm to
OK I'll ask the question: unless you're getting a killer deal, why are you buying a boat that needs a complete rewiring job?
Posted by KemoSabe65
70605
Member since Mar 2018
5135 posts
Posted on 11/6/18 at 12:37 pm to
Can I play? Generally, if it’s not a top tier Boat mfg the wiring is going to be sub standard since nobody ever looks at it. My guess is any Boat under $60k is going to be wired by a group of drunk monkeys for cost savings. Top tier boat wiring is some sexy shiate to look at.
Posted by CP3
Baton Rouge
Member since Sep 2009
7405 posts
Posted on 11/6/18 at 12:50 pm to
If hull is in good condition and motor is good, no reason to let wiring rule out a boat purchase.

It's kind of tedious but you could knock it out in a weekend. Redid the 31 contender we fish in a weekend, and that was all new electronics, lights, pumps, etc.







Just need a few cases of beer
Posted by jimbeam
University of LSU
Member since Oct 2011
75703 posts
Posted on 11/6/18 at 12:52 pm to
Hey buddy how’s it goin? Haven’t bought you a beer in a while....
Posted by mohalk
Member since Feb 2009
371 posts
Posted on 11/6/18 at 1:53 pm to
Soldered connections is poor practice. Use crimped connectors with the epoxy filled shrink wrap like from Ancor and a ratcheting crimp tool so you don’t break the membrane.

Posted by CP3
Baton Rouge
Member since Sep 2009
7405 posts
Posted on 11/6/18 at 2:19 pm to
quote:

ratcheting crimp tool so you don’t break the membrane.


This is the most common mistake I've seen made.

I really want to try out those heat shrink solder connectors that have been going around lately though.
LINK
Posted by bluemoons
the marsh
Member since Oct 2012
5513 posts
Posted on 11/6/18 at 2:42 pm to
Those are incredible. Just ordered a box from Amazon.

Also, good work. Console underside looks great.
This post was edited on 11/6/18 at 2:47 pm
Posted by Barneyrb
NELA
Member since May 2016
5100 posts
Posted on 11/6/18 at 3:29 pm to
quote:

Soldered connections is poor practice



I've soldered connectors (over 35 years worth) and prefer it over crimp on or epoxy. Electrical connection is superior and when properly done connections should be sealed.
Posted by MarshMan
Ponchatoula
Member since May 2015
618 posts
Posted on 11/6/18 at 7:43 pm to
quote:

I really want to try out those heat shrink solder connectors that have been going around lately though.


I just did my boat and ordered these after seeing them on Facebook. They work great, but best work with a small torch style lighter. The heat gun seemed to get the ends too hot before the solder melted.
Posted by mohalk
Member since Feb 2009
371 posts
Posted on 11/6/18 at 8:51 pm to
It’s not about the electrical connection, it’s the mechanical connection that is weak with solder. The minimum pull test is 35 lbs for rec boats and can be over 100 lbs for commercial and military. If you’ve done solder only as a pro, then it’s poor practice. On your own boat, do what you feel comfortable with. The risk is not a poor electrical connection, it’s a fire from broken connections and short circuits. The solder actually makes the connection less flexible and more prone to premature failure.

Solder will be better electrically, but it’s very easy to do wrong. Crimping can be done 100% correct without a lot of skill. You can do solder and crimping together but that’s a waste of time.

ABYC E-11 is the standard for the recreational marine industry and you can find most of it all over the internet.
This post was edited on 11/6/18 at 8:56 pm
Posted by EA6B
TX
Member since Dec 2012
14754 posts
Posted on 11/6/18 at 9:56 pm to
quote:

I've soldered connectors (over 35 years worth) and prefer it over crimp on or epoxy. Electrical connection is superior and when properly done connections should be sealed


There are almost no commercial applications whether marine, medical, aviation, industrial, aerospace, where a soldered wire connection is ever used. Crimp connections have been the rule for years because of the poor long term reliability of soldered wire connections.
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