Let’s Clear Some Stuff Up About The Honda Battery Cable

Trust me folks, there was no saving the OG cable. For those that said they could have soldered on a new end for $15 you’re full of dookie. It aint happenin’….

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Author: Rafael

34 thoughts on “Let’s Clear Some Stuff Up About The Honda Battery Cable

  1. Sure you could fix it by taking the loom apart and replacing the whole length of cable and re tape and wrap the loom. I would at home if i was fixing it myself and not paying someone hourly but if your paying labour definitely more cost effective to just bin it and replace the assembly.

  2. and this is why i still to this day come to this channel to continue learning to become a better tech, i appreciate you putting your experience and skill into videos for the younger generations like my self! never stop please!

  3. It was fortunate that you could still buy a replacement cable at a fair price for the Honda. On some older vehicles the cost of an OEM replacement cable assembly is much too high. So you have to disassemble the existing harness and replace the large cables. I have a complete wire line to make custom battery, alternator, starter and large circuit cables.

    For custom wiring I replace the large cables point-to-point without any splices, then I reassemble to factory spec. When I replace the BAT+ cabling I find that many times I also have to replace the BAT- cables. BAT- many times has three circuits; block starter /charger return, power distribution ground and chassis ground.

    If you live in the salt belt, don't make the mistake the OEM made when making cables yourself. The error the Honda made was to have the battery connection a crimped connection on stranded bare copper cable exposed to the under-hood salt spray in the winter. The salt spray finds its way into any unsealed connection. The connection should be a compression connection which is then sealed with dual wall heat shrink. You have to seal the connection or the salt spray will wick down the cable like Eric demonstrated in the video.

    The automotive OEMs know about the problems with salt spray and cable corrosion, but never seem to fix the problem.

    Seal electrical terminals where possible, use products like Grote Ultra Seal and Noco NCP2 for battery terminals.

    For automotive (cars not trucks) the large power cabling is usually AWG 8, 6, 4, or 2. You basically have three common choices for wiring, Automotive Battery SGX cable, welding cable and marine cable. I consider the High Temperature High Flexibility Marine fine stranding tin plated copper wire the most corrosion resistant.

    If you put a high performance geared starter on the vehicle and run large power cables (2 AWG if battery under hood, 1AWG if in the trunk) with all the connections clean with a fully charged battery (AGM starting) the way the vehicle starts can be very impressive when compared to the cranking of the OEM system. Just making the change from 4 AWG to 2 AWG for the starter feed and block return for a battery under hood application can have a noticeable change in cranking speed and engine starting.

  4. I wonder how many people thought that silver looking cable was pre-tinned copper? Dude, that is cheap car based power cables, not some high end marine grade power cables that the entire thing is tinned.

  5. I don't understand people! What is wrong with those that come on here and say "No… he's scaming … just fix the orignal part!? Jack Holes! Mind your own damn business and stick to drinking your dented can of warm Shlitz the ole-lady dropped for you! Eric… Where's the kitty? I think it needed a cat-scan! LOL

  6. Experience is the BEST teacher of all! Add to that honesty and integrity and you have a lethal combination. Give it to 'em Eric! Thanks for your excellent teaching videos, laced with humor and kindness! SMA is not just an automotive diagnostic/repair channel. Between you and Mrs O it is a family channel. You folks are real..keep up the excellent work Mr and Mrs O!!

  7. I agree with everything you said and demonstrated that, essentially, the battery acid or corrosion wicks up the wire.

    Im not sure what your take is on my remedy when a new harness is cost prohibited or time-consuming. I use 1/0 minimum welding cable, which I crimp on my lugs. I'll run the new wire along the harness from end to end. I've seen a few of the Honda's get corrosion on the alternator lead.

    Anyway I agree if you can replace the harness with the original one thats the way to go but correcting the cause of the corrosion first. I didn't see the first video but I'm sure you did just that! I just wanted to get your input on a technique that ive used for the last decade.

  8. I will say in my experience the ones that have opinions on how yo do things are also the ones that go to the dealer. Ive asked people several questions in the past and the same answer comes back “ill have to ask my dealer “. Or i dont do my own work.

  9. Idiots will be idiots, and those idiots who think they could have saved that are the worst kind of idiot because they are so intellectually challenged that they don't know they are intellectually challenged and actually believe their own B.S.

  10. Thanks for the heads up. Time is money and instead of messing around with a rusty cable, just pay up and put in a new cable and have peace of mind. I mean how long did the cable take to get that far, install the new one and you will have years of peace of mind.

  11. Don't let the neck beards, or as you put it armchair experts waste your time. They're idiots with no personal experience. By technicality they're always right…. Now they're gonna say oh well then replace that single wire in the harness, not realizing that it's cheaper but only for you since your time costs the customer money and putting that time into it is going to cost more than an hour labor putting a new wire or soldering a whip on that wire.

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