Dual Battery

rdhenderson · Jan 18, 2010

I am in the process of adding a dual battery set-up in my 96 Hoe. I am familiar with all of the after market isolator kits but want to research what OEM parts are available. The problem is I need a VIN number from a hoe that had it it originally in order for any of the parts dealers to confirm that it will work. Most likely this would be someone who has a diesel. Is anyone willing to share their VIN number with me so I can see what parts are available?

loulblades · Jan 18, 2010

If I recall correctly, and I can confirm this in the service manual, the OEM dual-battery setup just paralleled the batteries.

Here's what I used:

http://www.powerwerx.com/emergency-vehicle/battery-integrator.html

99Yuk · Jan 18, 2010

Sorry, can't use my VIN, and I don't know the OEM part numbers, but I too have been thinking of adding a second battery after having it drained too many times by my toys after two days of sitting.(I know unplug my toys to avoid issues), but I'm lazy and want my toys and my truck to start.

I thnk that there are two ways to do this, mechanical switch(selonoid), or electronic(diode). I'm leaning towards electrical myself.

So, I've been thinking of this;
http://www.princessauto.com/truck-trailer/electrical/charging-accessories/8235699-120-amp-battery-isolator
It's on sale this week.

I hope this helps at least a little bit.
BTW, why do you want OEM? Just wondering, doesn't matter why. Is OEM that much better?

loulblades · Jan 18, 2010

99Yuk said:
.........
So, I've been thinking of this;
http://www.princessauto.com/truck-trailer/electrical/charging-accessories/8235699-120-amp-battery-isolator
It's on sale this week.
.........

If you want to go that route I have a 240 amp version that was never used. I decided to go with the Smart Relay type because I had too many other things I was adding under the hood and that 240 A brick took up too much room.

BTW are you sure that 120 Amp device is sufficient?

qlc1964 · Jan 21, 2010

always use a selonoid it won't lose any volts like the isolators

will . go to the junkyard to get the passenger side battery

tray and brackets. 95 too 99 yukon/tahoe will work

Miami-Yukon · Jan 21, 2010

I believe that this is what he was talking about..... I used one in my 02 Silverado I used to have with 2 batteries for my stereo system... worked great!

http://shop.advanceautoparts.com/we...SOLENOID-BWD_18970418-P_N3063C_A|GRP2020A____

Onebadsuv · Jan 23, 2010

qlc1964 said:
always use a selonoid it won't lose any volts like the isolators

will . go to the junkyard to get the passenger side battery

tray and brackets. 95 too 99 yukon/tahoe will work

+1 couldn't have said it better myself ... that's exactly what I did on mine 10 years ago

rdhenderson · Jan 23, 2010

I do not necessarily want an OEM system I just like to research all of my options fully before making the purchase.

Any thoughts on whether I need to upgrade the alternator after hooking up dual batteries?

99Yuk · Jan 24, 2010

So here's the thing, that selonoid is rated for 80A continuous. That's what I bought for my 57 tractor. The diodes are 120A or 240A. Our alternators are ~100A? So who knows what is really required.

sparg93 · Jan 24, 2010

any ideas?? i have an OEM 2nd battery tray in my rig (came from factory) and i was thinking of doing the same thing with my accessories.

Dual Battery

rdhenderson

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loulblades

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99Yuk

Full Access Member

loulblades

Full Access Member

qlc1964

qlc1964

Miami-Yukon

'96 Z71 YUKON 2DR

Onebadsuv

TYF Newbie

rdhenderson

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99Yuk

Full Access Member

sparg93

Expedition Tahoe

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