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Altenator

yukon25008.1

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yukon25008.1 Senior Enthusiast

yukon25008.1

Posted
Posted

Just curious what the big difference is between the two, in the market again for an hd truck and ive seen 6.0 trucks with the 145 and dmax,s trucks with only the 105...so whats the deal, and if your truck came with a 105 can you swap it with the 145?

dewfpo Senior Enthusiast

dewfpo

Posted
Posted

In '04 when I ordered my '05 8.1L, the 105 amp alternator was standard on the gassers and the 145 amp alternator was an option.

 

DEWFPO

sonjaab Senior Enthusiast

sonjaab

Posted
Posted

The difference is the 150/160 amp unit that is avail. on the 01 and up

VYU optioned GM trucks is a CS-144 unit unlike the 105 amp unit that

is a CS-130 unit.

The CS-144 unit is a lot BIGGER in size than the cs-130. See pics:

Cs14130d.jpg

 

A lot of the snowplow guys that wanted to swap their 105s for the

150/160s had to get a wiring adapter (different wiring/plug issue)

from companies like Painless or others and order the alt. brackets

for a VYU (plow prep) equipped truck from GM to install the bigger

150/160 unit in their 01-07 trucks.

PICTUR34.JPG

http://www.highoutputalternators.com/cs130...suv_upgrade.htm

 

Some of the guys who didn't wanna spend the $400+ bucks to do

the swap sought out a good local alternator rebuilder who "pumped up"

(modded) their existing stock 105 amp unit to 160 or so amps for $150

bucks or so.

BlackSilver Senior Enthusiast

BlackSilver

Posted
Posted

Unless you're running lots of extra lights with a snowplow, or some mongo audio system with 13 speakers, you'll never challenge the output of a 105 amp alternator. 145 would be total waste of money.

sonjaab Senior Enthusiast

sonjaab

Posted
Posted

Heck.........The stock 105 units in my gmt-400s couldn't keep up

with the heater fans and the snowplow let alone running the wipers

and beacon light on the headache rack !!!!!!!!!!

 

I had a local alt. shop pump up my stock 105 unit to 175 amps.

 

The 150 in my gmt-800s with the VYU option solved that problem and

the gmt-900s now have 160s with VYU.

Prokopchuk_9 Senior Enthusiast

Prokopchuk_9

Posted
Posted
Unless you're running lots of extra lights with a snowplow, or some mongo audio system with 13 speakers, you'll never challenge the output of a 105 amp alternator. 145 would be total waste of money.

 

your right, i have a HUGE D-class amp, 1500 watt mono-block to be exact with a huge woofer, 6 lights that can be on at once and an air compressor. with either two running at once the 105 could NOT keep up at all. finally i went with dual batteries and a 145. world of a difference. i imagine just a snowplow alone would draw alot of power eh?

 

p.s. blacksilver nice walleye in your pic. nice one

sonjaab Senior Enthusiast

sonjaab

Posted
Posted

GM option code VYU is snowplow prep package.

 

86.................Not really because the plow is only drawing juice

when moving it. But along with the other stuff running full blast

its quite a job for the 105 amp unit to keep up.

The 160 in my gmt-900 works fine....................

topdj Enthusiast

topdj

Posted
Posted

SonJaab is right , I have a 07 1500 Im trading in and it has the 145amp dual battery with my plow and a 30 amp dual rotators on the roof it just keeps up , a 105 would not stand a chance

Kodiak450 Senior Enthusiast

Kodiak450

Posted
Posted
Just curious what the big difference is between the two, in the market again for an hd truck and ive seen 6.0 trucks with the 145 and dmax,s trucks with only the 105...so whats the deal, and if your truck came with a 105 can you swap it with the 145?

 

 

Yes you can. I intitally had a 105 but it started making a noise so I upgraded to a 145 (the biggest available for my gen truck) and warranty covered it. They needed to put a bigger belt on to accomdate the bigger size of the 145. I have noticed that the 145 does have a advantage over the 105 when it comes to my usage. I can now operate the plow, along with the tail gate spreader, have my sound system on, along with strobes and invertor if need be without excessive power drains. The dash lights will still drain somewhat when using the plow, but they don't dim as much as they did with the 105.

 

Also with the 105, it performed just as good as my F250's 135 which I found odd. I also had dual batteries on my F250 as well. The price of the 145 which my warranty paid for was like over $400 I believe. It was ordered from a GM dealer, so price didn't matter for me as my extended warranty picked up the tab.

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