HO Alternator

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dirtydreams4x4

Member - Posts: 34

Joined: September 24, 2004

Location: United States

Posted: December 17, 2004 at 12:23 PM / IP Logged

I'm looking into getting a high output alternator, but I have some questions. I have a '96 yukon with a 105 amp stock alternator, about 600W RMS in amps, and have plans for some offroad lights in the grill gaurd. Any clue as to what size alternator I should look at? Right now the alternator is feeling the load, no large voltage drops but there is some fluctuation on the voltmeter. Anyway, 135a, 160, 200amp ? Also do I need to replace a lot of the components such as battery etc if I upgrade the alternator?

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wheelerdr

Copper - Posts: 337

Joined: October 25, 2004

Location: Louisiana, United States

Posted: December 18, 2004 at 10:04 AM / IP Logged

That does not seem like a lot of a load for that 105 I would check my grounds and upgrade your battery to the yellow top deepcycle battery it will help out your rig all around, but If you insist on getting a ho alt go with atleast a 200 amp, for upgrades to audio later on

dragonrage

Copper - Posts: 193

Joined: March 15, 2003

Location: United States

Posted: December 18, 2004 at 11:35 AM / IP Logged

Yes, if you upgrade, go overkill.

2009 Pontiac G8 in planning stage

HU: ?

Speakers: ?

Amps: ?

supradude

Silver - Posts: 915

Joined: September 21, 2004

Location: South Carolina, United States

Posted: December 18, 2004 at 7:24 PM / IP Logged

If you can, get the maximum amps from the start. Most people are never pleased with their system a few months after they put it in. Then they want to upgrade. Then the stuff they bought will be up for sale. So if you start out with a strong alternator, you can go bigger and better later without having to worry about that part of your system.

'85 Toy

DDexter

Member - Posts: 18

Joined: December 03, 2004

Posted: December 18, 2004 at 9:16 PM / IP Logged

A high output alternator will require upgrading the cable from alternator to battery, as well as your ground cable.

I got a 180 amp cs130d (same housing as the original 105 amp unit) for my 97 suburban.

If you really want heavy duty, go for the 144 (larger housing + internals) and it requires a slightly longer belt.

Lizardking

Copper - Posts: 184

Joined: August 23, 2004

Posted: December 18, 2004 at 11:07 PM / IP Logged

I have just a 130amp alternator. I have no problems and below is what I'm powering.

Eclipse Approaching Perfection"

04 Nissan Titan King Cab SE 4X4

Smoke/Graphite, Born on 11-05-2003

Options- RF With Bench, Off-Road Package, Utility Bed Package

Add On's- Nissan Bug Deflector, Nissan Splash Guards, Nissan All Season Mat's, Nissan Step Rails, Nissan Tow Hitch, Banks Monster Exhaust, Volant CAI, Garmin 2620 GPS, Astrostart 5204 Remote Start/Security, Kenwood Excelon KVT-915DVD, Kenwood Sirius Tuner, Eclipse Subs SW8122DVC 12's, Diamond Audio Components M661, Diamond Audio Coaxials M361I, Eclipse DA7232 2 Channel Sub Amp, Eclipse Amp 5422, 1.0 Farad Stinger Cap, 7inch LCD'S (Eigervision) In Headrests, Extreme Dynamat (all doors/roof/back wall)

sexyvic1

Copper - Posts: 144

Joined: April 29, 2004

Location: United States

Posted: December 19, 2004 at 1:52 PM / IP Logged

i have a 2001 tahoe, i just actually ordered a 300amp alt for it. i am going to run it parrarllel with my stock alt.

the 300 amp was only like $150 more than the 200amp. if u can find a good deal just go with the bigest u can find.

also later on when u sell the truck u can always sell the bigger alt easier because not that many exist. usually it has to be custom made.

goodluck

Paradigm

Silver - Posts: 284

Joined: November 25, 2003

Location: United States

Posted: December 20, 2004 at 6:43 AM / IP Logged

Lizardking wrote:

I have just a 130amp alternator. I have no problems and below is what I'm powering.

Eclipse Approaching Perfection"

04 Nissan Titan King Cab SE 4X4

Smoke/Graphite, Born on 11-05-2003

Options- RF With Bench, Off-Road Package, Utility Bed Package

Yeah, them mud flaps and steps must pull 10+ amps each (at least). And the bug shield - ouch, that's gonna hurt. hehe j/k ya, couldn't resist HO Alternator -- posted image.

VEHICLE: 2002 GMC Sonoma ZR2

Alpine CDA-7940

AudioControl EQT x2

JL Audio 1000/1

JL Audio 10W6 (originals) x3

Kicker ZR120

Kicker ZR460

Polk GXR-6 x4

Polk GXR-4 x2

Lizardking

Copper - Posts: 184

Joined: August 23, 2004

Posted: December 20, 2004 at 12:25 PM / IP Logged

Funny!!! I thought about just posting my audio stuff but I was lazy and copy and paste my sig from another site.. lol

Eclipse "Approaching Perfection"

dirtydreams4x4

Member - Posts: 34

Joined: September 24, 2004

Location: United States

Posted: December 21, 2004 at 1:58 AM / IP Logged

Hey thanks for the replies. The reason I am looking to replace my alt now is because my voltage is at about 15.2V when I start my truck and 10 mins later is at about 13-14.2. I dont get any big fluctuations on a bass hit, and I checked my grounds so I'm thinking that it's the alternator or battery. The alt. is a reman and the batt. is in question at this point. I upgraded the big 3 and the only difference it made was the voltage being at 15.2 or so at start up. After a few mins it drops right back down. Not a HUGE thing but I'm a perfectionist and it bothers me when something isn't right. Thanks again for the advice........

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