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Thread: alternator identification?
11-06-2012, 11:49 PM #1
how do i figure out which alternator cam on the factory setup of my 2001 gmc 2500hd 4x4 .. it does have plow prep.the alternator has been replaced once by previous owner . i notice a 105amp , 130amp , 140 amp replacements available from autozone .. can i use any of those ore does it have to be a factory spec one?2001 Gmc Sierra 2500hd
-All clear lights with 5000k HID -Spectre cold air intake w/ k&n cone -Cooper dicoverer ST Maxx 285/75/16 -Meyer 7.5ft poly plow E60 pump - 3500 Rear springs-Leveling kit- Backrack-LED interior lights - Pioneer headunit with Alpine type s 6.5 and Polk 4x6 and 12 inch pioneer sub with alpine vpower amp.
11-07-2012, 08:06 AM #2
You can post a picture here and someone will likely be able to tell you. Also remove it and bring it to your parts store and compare to the different flavors available. Shoot off the hip guess is that you can rule out the 105, its either the 130 or 140. Autozone is fine but get the right one1995 Saturn Sw1 196K and counting
2001 Suburban LS 150K and counting
2004 MR2 Spyder 62K and counting
2007 mini cooper S 60K and counting
11-07-2012, 10:11 AM #3
you could always try putting the vin in here http://www.compnine.com/vid.php It will tell the rpo codes and what they mean. It should tell you what size was on it from the factory
1995 Silverado 4x4
6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge
2005 Yukon XL Jet Power Programmer, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system http://www.gmtruckclub.com/forum/sho...5-GMC-Yukon-XL
2002 Silverado ext cab 2wd (Sold)
2003 Yukon XL (Totaled)
11-08-2012, 10:10 PM #4
i mean i guess what im asking is if the 145amp fits correctly , would it hurt anything to run a higher am alternator?
11-08-2012, 10:13 PM #5
11-08-2012, 10:21 PM #6
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Alternators have a built in regulator that prevents sending out to many amps it works on an on demand basis.
1996 Chevy Tahoe LT 5.7L V8 4X4 202,000+ miles. Built proudly at Janesville Assembly in Janesville, Wisconsin
Basic mods: Lights all over, bunch of electrical work, and a couple cooling mods.
Check out my other mods in My Garage: http://www.gmtruckclub.com/forum/sho...t-Tahoe-4-Door
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