Menu
Forum
General Car Audio
Subwoofers
Speakers
Amplifiers
Head Units
Car Audio Build Logs
Wiring, Electrical and Installation
Enclosure Design & Construction
Car Audio Classifieds
Home Audio
Off-topic Discussion
The Lounge
What's new
Search forums
Gallery
New media
New comments
Search media
Members
Registered members
Current visitors
Classifieds Member Feedback
SHOP
Shop Head Units
Shop Amplifiers
Shop Speakers
Shop Subwoofers
Shop eBay Car Audio
Log in / Register
Forum
Search
Search titles and first posts only
Search titles only
Search titles and first posts only
Search titles only
Log in / Join
What’s new
Search
Search titles and first posts only
Search titles only
Search titles and first posts only
Search titles only
General Car Audio
Subwoofers
Speakers
Amplifiers
Head Units
Car Audio Build Logs
Wiring, Electrical and Installation
Enclosure Design & Construction
Car Audio Classifieds
Home Audio
Off-topic Discussion
The Lounge
What's new
Search forums
Menu
Reply to thread
Forum
Car Audio Help
Wiring, Electrical & Installation
Survey thread? Power draw/electrical upgrades
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Message
<blockquote data-quote="n2audio" data-source="post: 5974993" data-attributes="member: 540940"><p>Old car w/ old 75A alt -- 1100w w/one of the big 3 done (8 ga from alt to batt +)</p><p></p><p>about 12.5v at idle, about 13.8v at 2k. Noticable dimming at high volume.</p><p></p><p>Alt lasted 2 yrs.</p><p></p><p>Replaced with a 110A alt and it ran very well - minor high volume headlight dimming.</p><p></p><p>That was all with an old, but big (900cca) Wal-mart battery.</p><p></p><p>Blew the engine - swapped the system into a different car...</p><p></p><p>Smaller stock electrical demand, another 110A alt, same 1 wire upgrade, standard battery -- ran fine, always 14.1-14.4v, minor dimming at high volume. Upped from 1100w to 1350w. Not much change in voltage, but the alt died 2 mo. later. Went with a standard 110A replacement alt. Running just like the old one -- waiting to see longevity.</p></blockquote><p></p>
[QUOTE="n2audio, post: 5974993, member: 540940"] Old car w/ old 75A alt -- 1100w w/one of the big 3 done (8 ga from alt to batt +) about 12.5v at idle, about 13.8v at 2k. Noticable dimming at high volume. Alt lasted 2 yrs. Replaced with a 110A alt and it ran very well - minor high volume headlight dimming. That was all with an old, but big (900cca) Wal-mart battery. Blew the engine - swapped the system into a different car... Smaller stock electrical demand, another 110A alt, same 1 wire upgrade, standard battery -- ran fine, always 14.1-14.4v, minor dimming at high volume. Upped from 1100w to 1350w. Not much change in voltage, but the alt died 2 mo. later. Went with a standard 110A replacement alt. Running just like the old one -- waiting to see longevity. [/QUOTE]
Insert quotes…
Verification
Post reply
Forum
Car Audio Help
Wiring, Electrical & Installation
Survey thread? Power draw/electrical upgrades
Top
Menu
What's new
Forum list
