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02-01-2013, 12:54 PM #1
stand alone voltage control and big 3 upgrade?
I have a 2005 yukon xl and am looking at doing a big 3 upgrade. My question is, there is a box on the negative battery cable of my truck. if I do the big 3, do I need to run the grounds thru this device? I think it is for the Stand alone Voltage Control, that is designed to adjust alternator output as needed and keep the battery charged at 80%. Will running the grounds away from this effect my truck's charging system?
Last edited by Pikey; 02-01-2013 at 01:05 PM.
1995 Silverado 4x4 (Sold)
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02-01-2013, 03:15 PM #2
A photo might help. Usually there's a red plastic plastic splice box in the positive cable where the cables for the alternator, starter, and battery come together.Minneapolis area - 1997 K2500 regular cab long bed, pushes plow in the winter, carries camper in the summer - 2004 4x4 Suburban 2500 8.1, pulls 30' Airstream trailer
02-01-2013, 11:54 PM #3
02-05-2013, 01:25 PM #4
anyone have any ideas?
02-05-2013, 01:44 PM #5
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@SurrealOne might know, his truck is just a year older than yours and he did a major electrical upgrade.
1996 Chevy Tahoe LT 5.7L V8 4X4 199,000+ miles. Built proudly at Janesville Assembly in Janesville, Wisconsin
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02-05-2013, 01:52 PM #6
The 2004 trucks that I looked at did not have it. Maybe his did. Guess we will find out
02-05-2013, 11:56 PM #7
No box on my negative connection -- just the standard red plastic box on the positive connection.
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02-06-2013, 04:19 PM #8
That box does not connect to ground. It is only clamped to the ground cable. GM calls that box the Generator Battery Control Module. From what I gathered, it acts as a voltage regulator. If you are just looking for a ground, anywhere on your engine or chassis will do.'88 Jimmy 4X4
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02-06-2013, 04:38 PM #9
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What are you doing that you need the Big 3?08 Z71 Avalanche Mods to date: K&N CAI,Hellwig Swaybars and End Links, Corsa Sport Exhaust, Superchips Programer,IPCW LOF & 3rd brake light and tails, AMI Gas door,Show Hooks and Door locks, Enkei Wheels, with Pirelli tires, StreetScene Bowties, Grant Steering wheel,Muth signal mirrors,SSBC Big Brake kit,Huskyliner Mug gards,Floor mats and Hood shield, McGard Lug nuts and locks,Bedrug, Cervini's Ram Air hood,35watt HID Fog lights, Sylvania bulbs all around ZXE's Highs and Lows, WhiteNight Back up lights,Sirius and HD Radio, SnugTop painted and on, PerryCraft Rack system with Kayak and Bike Holder, Tempress Boat Hatches.... New Bilstein shocks on the way... New Mods coming soon..... X
02-06-2013, 08:54 PM #10
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