2004 mustang alternator

1BADSTANG · February 27th, 2008, 05:58 PM

Ok, so its a 2004 mustang 3.8 with 16k miles. It has a cold air intake, headers, high flow cats, duel flows, subframe connectors.. Were going to put a simple sub system in the car. But even before that, the alternator seems so weak when you put the heat and lights on at idle the motor really doesn't like it. Can i buy an overdrive pulley for the alternator? Are their any good HO or better output than stock alternators for a good price? let me know

MWWarlord · February 27th, 2008, 07:10 PM

If your car is already having trouble running things...then the last thing you want to do is put on U.D. pulleys. Take your car to pep boys or autozone and have them test the alternator. It sounds like it might be going bad.

GreenFaleen · February 27th, 2008, 07:17 PM

yeah you can get an overdrive pulley for it, just get a HO alt though it will be better

Onemanzu · February 27th, 2008, 07:21 PM

its already having issues and its 4 years old? have the alt tested

WLJohnson05 · February 27th, 2008, 07:51 PM

thats normal i thought...like right right when u turn the stuff on it will dim then go back to normal within like 1 sec.

Avaric3 · February 27th, 2008, 08:10 PM

Originally Posted by MWWarlord

If your car is already having trouble running things...then the last thing you want to do is put on U.D. pulleys.

he said overdrive for the alernator not ud for the crank lol. just go with a higher output alternator

1BADSTANG · February 27th, 2008, 08:24 PM

Yeah no i figured though i can do both a ho alternator and an overdrive pulley since hes doing a simple sub system. Where can i find an HO alternator for a good price? Where can i find the overdrive pulley?

MWWarlord · February 27th, 2008, 08:30 PM

Originally Posted by Avaric3

he said overdrive for the alernator not ud for the crank lol. just go with a higher output alternator

Oh...my bad...sorry

Avaric3 · February 27th, 2008, 08:32 PM

Originally Posted by MWWarlord

Oh...my bad...sorry

dont be sorry, just dont let it happen again!!!

MWWarlord · February 27th, 2008, 08:35 PM

GreenFaleen · February 27th, 2008, 08:52 PM

Originally Posted by 1BADSTANG

Yeah no i figured though i can do both a ho alternator and an overdrive pulley since hes doing a simple sub system. Where can i find an HO alternator for a good price? Where can i find the overdrive pulley?

google search HO alts autozone has some but im not sure if they have them for a v6, overdrive from VMP

tjames · February 28th, 2008, 12:54 AM

just get a better alt. the stock ones arent that great. my 04 does the same thing if i have the headlights on and i hit the window switch to roll down the windows, they dim for a 1/2 second then go back to normal. if your getting a hardcore system get a new one because even with the overdrive pully it still may have problems

stang300a · February 28th, 2008, 01:07 AM

there u go. i just bought this cuz mine is doing the same. i havent installed it yet cuz my car is still in the shop.

VMP Tuning - Buy Ford SCT & GM Custom Handheld Flash Tuners Performance Economy Towing: 99-04 18% OD Alternator Pulley

1BADSTANG · February 28th, 2008, 06:22 AM

THANKS A LOT! ill look for the alt on autozone today, thank you. Let me know still though if anyone reccomends a certain alternator or where to get one. You guys rock

stang300a · February 28th, 2008, 06:34 PM

Part No. 20234312

February 27th, 2008, 05:58 PM	#1
1BADSTANG Hardcore Enthusiast Join Date: Sep 2007 Location: long island Posts: 1,515 iTrader: 0 reviews	2004 mustang alternator Ok, so its a 2004 mustang 3.8 with 16k miles. It has a cold air intake, headers, high flow cats, duel flows, subframe connectors.. Were going to put a simple sub system in the car. But even before that, the alternator seems so weak when you put the heat and lights on at idle the motor really doesn't like it. Can i buy an overdrive pulley for the alternator? Are their any good HO or better output than stock alternators for a good price? let me know

February 27th, 2008, 07:10 PM	#2
MWWarlord Hardcore Enthusiast 1995 Mustang convertible Join Date: Sep 2007 Location: Richmond, VA Posts: 1,409 iTrader: 0 reviews	If your car is already having trouble running things...then the last thing you want to do is put on U.D. pulleys. Take your car to pep boys or autozone and have them test the alternator. It sounds like it might be going bad. __________________ MWWarlord 1995 Mustang convertible check out my garage for pics and a complete list of mods. http://www.tricktuners.com

February 27th, 2008, 07:17 PM	#3
GreenFaleen MM's Resident Ricer 2006 Scion tC 13.001@113 Join Date: Nov 2006 Location: Raleigh/Lenoir, NC Posts: 9,880 Blog Entries: 2 iTrader: 1 reviews	yeah you can get an overdrive pulley for it, just get a HO alt though it will be better __________________ Scion Tc Turbo - 9psi 297whp 287wtq 2500lbs :p MM 4 Banger club: Senior Ricer NCMM #9 "Horsepower sells cars, torque wins races." -Carroll Shelby

February 27th, 2008, 07:21 PM	#4
Onemanzu ¡ʇsnq ɹo uʍop ǝpısdn Join Date: Oct 2006 Location: Looking for free hand jobs in poland springs nebraska... silly gooses Posts: 12,551 Blog Entries: 1 iTrader: 0 reviews	its already having issues and its 4 years old? have the alt tested __________________ My Foz

February 27th, 2008, 07:51 PM	#5
WLJohnson05 MM's Database Error 2004 Mustang V6 322.8 rwhp Join Date: Mar 2007 Location: VA Posts: 13,285 iTrader: 9 reviews	thats normal i thought...like right right when u turn the stuff on it will dim then go back to normal within like 1 sec. __________________ I'm trying to get rid of this stuff, feel free to make me an offer!: SCT Mass Air Flow Sensor $200 Tial Wastegate Springs $40 (10psi and 3.6psi)

February 27th, 2008, 08:24 PM	#7
1BADSTANG Hardcore Enthusiast Join Date: Sep 2007 Location: long island Posts: 1,515 iTrader: 0 reviews	Yeah no i figured though i can do both a ho alternator and an overdrive pulley since hes doing a simple sub system. Where can i find an HO alternator for a good price? Where can i find the overdrive pulley?

February 27th, 2008, 08:35 PM	#10
MWWarlord Hardcore Enthusiast 1995 Mustang convertible Join Date: Sep 2007 Location: Richmond, VA Posts: 1,409 iTrader: 0 reviews	__________________ MWWarlord 1995 Mustang convertible check out my garage for pics and a complete list of mods. http://www.tricktuners.com

February 28th, 2008, 01:07 AM	#13
stang300a Regular 2004 Mustang V6 Join Date: Jul 2007 Posts: 247 iTrader: 0 reviews	there u go. i just bought this cuz mine is doing the same. i havent installed it yet cuz my car is still in the shop. VMP Tuning - Buy Ford SCT & GM Custom Handheld Flash Tuners Performance Economy Towing: 99-04 18% OD Alternator Pulley __________________ 2004 Mustang 3.9L V6 with K&N intake, Dual Flowmaster Super 40s, Motoblue 42% Pulley, GT rear sway bar, drilled and slotted rotors, SCT tuner, Black FR500's 17 by 10.5 and 17 by 9, 4.10 motive gears and FRPP T-Lock.

February 28th, 2008, 06:22 AM	#14
1BADSTANG Hardcore Enthusiast Join Date: Sep 2007 Location: long island Posts: 1,515 iTrader: 0 reviews	THANKS A LOT! ill look for the alt on autozone today, thank you. Let me know still though if anyone reccomends a certain alternator or where to get one. You guys rock

February 28th, 2008, 06:34 PM	#15
stang300a Regular 2004 Mustang V6 Join Date: Jul 2007 Posts: 247 iTrader: 0 reviews	Part No. 20234312 __________________ 2004 Mustang 3.9L V6 with K&N intake, Dual Flowmaster Super 40s, Motoblue 42% Pulley, GT rear sway bar, drilled and slotted rotors, SCT tuner, Black FR500's 17 by 10.5 and 17 by 9, 4.10 motive gears and FRPP T-Lock.

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