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Alternator Overcharging?


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Posted

Hi, Recently got my VM-1 Voltmeter and noticed that the voltage is a little high. I do have subs but I can't get the voltage to go down with some hard-hitting bass. Is this the first sign of the battery dying. The battery and alternator I currently have are original parts. 2010 GMC Sierra. Help would be gladly appreciated, Thanks!

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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

Posted

did you calibrate the VM-1?

Headunit: Pioneer avh-1400dvd

Subs: DC Audio lvl 4 18 with carbon fibre dustcaps

Sub amp: Rockford T2500-1bdcp

Mids & Highs: RF Prime 5.25's + Focal Polyglass 6.5s

Highs Amp: RF T600-4

Batts: XS Power D975, XS Power D925

Alt: Mechman 270a

Wires: Shok Industries 1/0, RF RCA's and Shok 12/8 gauge speaker wires

Deadening: Second Skin

TEAM DC

TEAM SHOK

Posted

It could possibly be the voltage regulator in your alternator.

i'm fairly sure that the alt is pcm controlled.

Posted

did you calibrate the VM-1?

how do you calibrate the VM-1?

ivsmd.png

06 Trailblazer ss

2 Team shok industries tsx 18s
Phoenix Gold ''THE ONE''
2 Phoenix gold 800.4
4 crescendo mp6.
2 crescendo mp8
bass processor

Dc power 270xp

150ft 1/0 ofc sky high cable
1 juicebox lithium 0.5kwh 14v/40ah
kenwood dnx8120
BCAE1.com
YouTube channel : REaudioxxx1
build log: http://www.stevemeadedesigns.com/board/topic/160106-trailblazer-ss-xxx/

Posted

my guess is that there is a dial on the back that your turn? not to sure, but thats what alot of them have

PSN: Rcp_soundz

Good rule of thump is go by what fuse size is being used in these amps. The higher the more amperage it pulls, this is what I look at.

I'll stick a 300 amp fuse in a potato and sell it to you for $2k.

1991 Mazda 323VERY small build thread here: http://www.stevemead...23-small-build/

Posted

did you calibrate the VM-1?

how do you calibrate the VM-1?

Dont know if you can....I know with the stinger gauges they come with a little screw that helps you correct the voltage reading.

Headunit: Pioneer avh-1400dvd

Subs: DC Audio lvl 4 18 with carbon fibre dustcaps

Sub amp: Rockford T2500-1bdcp

Mids & Highs: RF Prime 5.25's + Focal Polyglass 6.5s

Highs Amp: RF T600-4

Batts: XS Power D975, XS Power D925

Alt: Mechman 270a

Wires: Shok Industries 1/0, RF RCA's and Shok 12/8 gauge speaker wires

Deadening: Second Skin

TEAM DC

TEAM SHOK

Posted

You don't have to calibrate the VM-1, since it's analog.

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

Posted

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

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