How To Install A Car Battery Disconnect Switch

Got a vehicle that only gets used intermittently? Save the battery and prevent theft with this handy device! (Also great if you have a voltage drain in your daily driver that you haven’t had time to diagnose yet!)

AFFILIATE LINKS:
Battery disconnect switch: http://amzn.to/2punhOU
Disposable nitrile gloves: http://amzn.to/2pdINam
Shop towels: http://amzn.to/2pdTB8a
Wrenches/Spanners: http://amzn.to/2oR8J87

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TRANSCRIPT:

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so I’ve been having some electrical

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trouble with my car, and I haven’t been able

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to diagnose it or really work on it at

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all at. I haven’t had the time, so as a stopgap I

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decided I was going to install a battery

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disconnect switch and I would you know

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take care of the problem with voltage

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drain so I’m going to show you how to do that

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now and this is this is great if you

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have a vehicle that you drive on

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occasion this is a great way to save the

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batteries in an RV or something like that

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just a very quick easy way to take the

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voltage load off so the battery doesn’t drain

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so quickly I picked up this battery

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disconnect switch from Harbor Freight

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for about five dollars you don’t have to

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get it from Harbor Freight of course I’ll

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drop a link to something similar in the

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doobly-doo for your reference

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Jesus that’s a mess this is what living

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in South Georgia for a few years can do

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to a car I don’t recommend it also

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you’ve probably noticed that I’m doing

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this is a series of stills that’s because

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there was no way that I was going to be

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able to fit a camera on a tripod much

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less enough light in the boot of my tiny

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car to get video so I just shot stills at

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least you can see what’s going on two by

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two hands of blue actually sulfuric acid

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is no joke and neither is lead exposure

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you don’t really want to touch that

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stuff if you can help it show some love

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put on a glove so you’ll want to reach

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in and disconnect the negative lead from

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the battery that’s the black one do

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this by loosening the bolt that holds

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the lead clamp down on the terminal

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don’t ask me what size wrench to use

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because they’re all different

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I used a 12 millimeter end wrench on my

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car but yours may vary

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all that dielectric grease makes it look

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like Dexter Morgan was here but at least

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there’s no corrosion now

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just clamp the lead onto the shank end

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of the disconnect switch the switch has

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its own terminal clamp that you’ll need

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to loosen a bit in order to fit you on

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the battery terminal but a little finesse

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will get it snug there then you just

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focus you f**k that’s better then you just

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take your end wrench and tighten the

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clamp down that’s it

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all finished righty-tighty engages the

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electrical system lefty-loosey disengages

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it that’s really all there is to it it’s

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a very simple installation you follow

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the directions all photos here in this

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video so you know if you like this video

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absolutely give it a like and a thumbs

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up share it with your friends even for

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more stuff you can subscribe I

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appreciate that and thank you for

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watching and until next time Tallyho

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y’all

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