johnarias15 Posted June 7, 2013 Report Posted June 7, 2013 I am running a RFT1500 and 2 DD 1508's Supercharged. I was wondering if it will be neccessary to upgrade my stock alternator on my 2010 GMC Sierra. I currently have an XS D3400 under the hood and have Skyhigh 2/0 wire on the way to do a Big 3. Right now the truck starts about 14.8 charge then as soon as I start listening to music drops to 12.4 down to 11.8. 2010 GMC Sierra SLE Texas Edition Sky High 2/0 OFC Wiring 2 Digital Designs 1508's Supercharged Digital Designs Door Speakers Rockford Fosgate T1500-1bdcp Rockford Fosgate Prime 300x4 Rockford Fosgate 3Sixty.3 SMD VM-1 XS Power D3400
n8ball2013 Posted June 7, 2013 Report Posted June 7, 2013 You have the dual battery trays up front? Id think you could do the second batt and get by. You are right st the threshold though THERE IS NO BUILD LOG! 1998 Chevy Silverado ext cab Alpine CDA-9887 4 Team Fi 15s 2 Ampere Audio TFE 8.0 2 Ampere Audio 150.4 3 Digital Designs CS6.5 component sets Dual Mechman 370XP Elite alternators inbound! 8 XS Power d3400 6 XS power d680 Second Skin Stinger Tsunami Wiring Sky High A Real Voltmeter not a piece of shit stinger.
johnarias15 Posted June 7, 2013 Author Report Posted June 7, 2013 So I'm guessing another XS D3400? 2010 GMC Sierra SLE Texas Edition Sky High 2/0 OFC Wiring 2 Digital Designs 1508's Supercharged Digital Designs Door Speakers Rockford Fosgate T1500-1bdcp Rockford Fosgate Prime 300x4 Rockford Fosgate 3Sixty.3 SMD VM-1 XS Power D3400
Lbox88 Posted June 7, 2013 Report Posted June 7, 2013 Should be about a 160A alt stock right? Do what n8 said, put a batt to the 2nd battery tray and you'll do fine with that, and the big 3. UBL | Build Log
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