Dual battery and Big 3 pix

[Denali0229]

Here's a few pics of my dual battery set up. I also did the Big 3 in 0 gauge but its hard to get a decent pic of the wires. My voltage is holding up a lot better since I've added the second battery. When these go dead I plan to swap them out with two Diehard Platinums. My primary battery is a Shuriken 80 and the second battery is a Carquest 70 amp hour battery that I had originally but swapped for the Shuriken then just moved it over to the other battery tray. I used all Rockford Fosgate 0 gauge wiring, a knu koncepts and two Rockford battery terminals and a cheap brass terminal from Advanced Auto, a Rockford inline fuse and Rockford circuit breaker. I'm going to get some wire management clips and get rid of the zip ties to clean it up. I also have a stinger volt meter to manage my voltage better. I'll add a pic later if you guys want to see it. Thx for looking.

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[Regency]

Looks great wish you could do mine haha

 

[Denali0229]

Looks great wish you could do mine haha

Thx buddy. Do you plan to do your own install? It isn't too hard. If you follow Modded's thread on the Big 3, you should be able to get by. Make sure you have the right tools b/c it will make it 100x easier.

 

[Regency]

No prob and I will do it if I can't find anyone to do it here

 

[jmax313]

Looks good I need to do mine

 

[wtrjock]

Looks great! I didn't know a battery would fit over there!

 

[sparks]

love it but be careful about havinng mismatched batteries. just like anything, each model is different, so it will charge/discharge differently. this could shorten the life of both and possibily cause some serious issues. just be safe, ive seen very bad things happen. you did do a very nice job on the wiring though, keep up the modding!!

---------- Post added at 09:31 PM ---------- Previous post was at 09:29 PM ----------

please dont take what i said as being bad, i would just hate to see something bad happen to anyone on the forum, we all put so much hard work into our trucks, it would be heartbreaking to see something ba happen!!

 

[soulsea]

Very nice.

When I took a second battery to the dealer they didn't know how to install it. They had to call GM who apparently told them I'd need a brand new harness like the ones they use on the factory dual battery setups. ****** wanted stupid money for part and labor.

But he did tell me that the voltage is controlled via the computer, and that I could add all the batteries and upgraded cables all I wanted and it still wouldn't change the voltage.

 

[utley]

clean im looking to do this in the next week or so.

 

[Denali0229]

love it but be careful about havinng mismatched batteries. just like anything, each model is different, so it will charge/discharge differently. this could shorten the life of both and possibily cause some serious issues. just be safe, ive seen very bad things happen. you did do a very nice job on the wiring though, keep up the modding!!

---------- Post added at 09:31 PM ---------- Previous post was at 09:29 PM ----------

please dont take what i said as being bad, i would just hate to see something bad happen to anyone on the forum, we all put so much hard work into our trucks, it would be heartbreaking to see something ba happen!!

No offense taken. Thx for the kind words.

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[Denali0229]

Very nice.

When I took a second battery to the dealer they didn't know how to install it. They had to call GM who apparently told them I'd need a brand new harness like the ones they use on the factory dual battery setups. ****** wanted stupid money for part and labor.

But he did tell me that the voltage is controlled via the computer, and that I could add all the batteries and upgraded cables all I wanted and it still wouldn't change the voltage.

All you need is a battery hold down. It cost $5 shipped on eBay. Then go to your local hardware store and find a lug that will fit. That's it. Easy enough and battery doesn't move at all.

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[Denali0229]

clean im looking to do this in the next week or so.

Thank you. Hit me up if you get stuck and I'll try to help.

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[soulsea]

All you need is a battery hold down. It cost $5 shipped on eBay. Then go to your local hardware store and find a lug that will fit. That's it. Easy enough and battery doesn't move at all.

I don't mean a tie down harness ... the dealer said a new engine harness (much $) specifically designed for the dual battery trucks would need to be swapped in.

 

[Denali0229]

Btw, most people like the OEM look and use wire loom. I personally like how the zero gauge looks especially since it cost me $4/ft so I have it displayed. You can do a similar setup with wire loom if you want it looking factory more than aftermarket like mine is. But people seem to like it. I got an oil change a couple weeks ago and while I was waiting to pay, two mechanics came over to me and were asking me if I did it myself and were telling me they liked the job I did which made me feel good. Even the other people listening in the waiting room were impressed that the mechanics went out if their way to give me praise on my install.

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