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I need some electrical help.


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Posted

Okay, heres a list of my gear, and my issues.

260A mechman alt,

1 run of 1/0,

3 grounds in 1/0 - Chassis, frame, engine

1/0 run from alt to positive batt

Brand new deka intimidator deep cycle up front,

two brand new 91 ah batts in back.

batts in back grounded to chassis. all grounds are perfect.

all connections are soldered.

On cold start, everything charges at 14.2.

after it warms up, rear batts sit charging at 13.6-13.8, front alt and batt still at 14.1.

what could posssssibly be the issue. Im stumped.

oh and car off, everthing sits at 13.1.

Current setup in my 96 Hoe

Hu - Pioneer DEH-80prs.

Amps - (4) Crossfire C5 1700D's, MTX Thunder 5604(mids), PPI Art 300.2 (tweets)

Batts - 4 91ah rear batts, 50ah batt up front.

Subs - 2 Crossfire XSv2 18's

Alt - Singer 330A

Front stage - Random JL & Eclipse mids, Eclipse tweets

Posted

The cable run you lose resistance it is normal. You are good.

http://www.stevemeadedesigns.com/board/garage/vehicle/2438-jeep-commander/


th_140x100square.jpgMechman_140x100px.JPGDCHome.jpgI

image_url-76414-1423274612_thumb.jpgimage_url-76414-1423320284_thumb.jpg

Pioneer P99RS
Ampere 3800
2-Ampere 125/4
4-6.5 inch Hertz HSK XL Mids
4-8 inch JL Audio ZR Midwoofer

2-5.25 Satori Mids
2-Morel Tweeters, 2 Hertz Milles 3 inch on A pillars
2-Hertz Silk tweeters
DC Audio Level 5/12
Skyhigh Wire
Mechman 320
XS Power D3100

MO Funniest Thread of the Year 2013: http://www.stevemead...dy-being-a-pos/

Posted

Vehicle?

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.

Posted

Is with with or without a load? With a load it's normal. But without one, it's not

Posted

Sorry I'm on mobile but N8, it's a 2000 s-10 with a 4.3.

And snow, that's just with no load really, just my stereo, my 4 chan and EQ on.

Current setup in my 96 Hoe

Hu - Pioneer DEH-80prs.

Amps - (4) Crossfire C5 1700D's, MTX Thunder 5604(mids), PPI Art 300.2 (tweets)

Batts - 4 91ah rear batts, 50ah batt up front.

Subs - 2 Crossfire XSv2 18's

Alt - Singer 330A

Front stage - Random JL & Eclipse mids, Eclipse tweets

Posted

it should be charging at 14.1 everywhere.

no, there is ALWAYS voltage drop across cables.

with no load, charging 14.1 up front, 13.9 and up is ok. Anything lower and you might have some dirty grounds, or something of the sort causing voltage loss. Could be long cables as well.

29408240963_9908a51930_o.png
Best Score to Date : 160.5 dB Outlaw (47Hz)[4 XM 15's & 2 Taramps Bass 12k's]

BL :  http://www.stevemeadedesigns.com/board/topic/147800-chevyboy95s-4-15s-7krms-wall-1533-db-on-half-power/
YouTube: http://www.youtube.com/hitemwiththeflex/

Posted

.6v front to back drop with no load is NOT normal. You shouldn't even have .1v drop in this scenario to be honest

Op, do you have a multi meter? How are you measuring your voltages?

Posted

Yeah, I'm measuring voltage with dmm. At alt, front bat and both rear bats

Current setup in my 96 Hoe

Hu - Pioneer DEH-80prs.

Amps - (4) Crossfire C5 1700D's, MTX Thunder 5604(mids), PPI Art 300.2 (tweets)

Batts - 4 91ah rear batts, 50ah batt up front.

Subs - 2 Crossfire XSv2 18's

Alt - Singer 330A

Front stage - Random JL & Eclipse mids, Eclipse tweets

Posted

Start working your way down the wire. Pre fuse, post fuse, midpoint of the wire - you can poke the probes through the insulation. Measure at your rear batts, but instead of putting the negative probe to the negative post on the batteries, put it to the chassis or some other ground

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