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<blockquote data-quote="stoneisman" data-source="post: 2161303" data-attributes="member: 570696">I just did the big 3 on my 5th gen accord and didn&#039;t have a problem.&nbsp; I replaced the stock wiring because it was in bad shape, except for the Battery to Alternator.&nbsp; Mine is a V6 however, and I don&#039;t know if that changes the wiring much.&nbsp; It was a little confusing to me to see 2 wires on each terminal when the sticky post shows only 1.&nbsp; The negative on mine goes to the chassis only a few inches away, and also goes almost straight down the side of the battery to a bolt on the engine block.&nbsp; Even more confusing to me was a run off the positive going parallel to that same wire.&nbsp; It turns out that next to where the negative terminal connects to the engine, there is another bolt that keeps a wire support in place to hold that wire from the positive terminal to what I am guessing to be the starter (but don&#039;t hold me to that).&nbsp; I had to pull the battery and shelf out to get at it, and reshape my ring connector to get it on that bolt.&nbsp; I chose to use all the same points of connection as the stock wiring just to keep it simple for me.&nbsp; My ring connector is too big to fit on the alternator though...&nbsp; //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gifPersonally, I always try to make one change at a time to make troubleshooting easier.&nbsp; I would finish off your big 3 upgrade and disconnect the 2nd battery and see if your problem still exists.&nbsp; If it does, pull the big 3 and see if it still exists.&nbsp; That will tell you where the problem lies.&nbsp; If it is the 2nd battery, I can&#039;t offer any advice, but I am sure someone else here can...&nbsp; I have always heard to upgrade the big 3 before adding another battery or upgrading the alternator...good luck!stoneisman</blockquote>

[QUOTE="stoneisman, post: 2161303, member: 570696"] I just did the big 3 on my 5th gen accord and didn't have a problem. I replaced the stock wiring because it was in bad shape, except for the Battery to Alternator. Mine is a V6 however, and I don't know if that changes the wiring much. It was a little confusing to me to see 2 wires on each terminal when the sticky post shows only 1. The negative on mine goes to the chassis only a few inches away, and also goes almost straight down the side of the battery to a bolt on the engine block. Even more confusing to me was a run off the positive going parallel to that same wire. It turns out that next to where the negative terminal connects to the engine, there is another bolt that keeps a wire support in place to hold that wire from the positive terminal to what I am guessing to be the starter (but don't hold me to that). I had to pull the battery and shelf out to get at it, and reshape my ring connector to get it on that bolt. I chose to use all the same points of connection as the stock wiring just to keep it simple for me. My ring connector is too big to fit on the alternator though... [IMG]//content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif[/IMG] Personally, I always try to make one change at a time to make troubleshooting easier. I would finish off your big 3 upgrade and disconnect the 2nd battery and see if your problem still exists. If it does, pull the big 3 and see if it still exists. That will tell you where the problem lies. If it is the 2nd battery, I can't offer any advice, but I am sure someone else here can... I have always heard to upgrade the big 3 before adding another battery or upgrading the alternator... good luck! stoneisman [/QUOTE]

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