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Author
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Topic: Powermaster 1 Wire Alt. Crap
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SVTMike
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Member # 2345
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posted
 
 
Anyone ever install a 140 amp powermaster alternator. I just bought one off the net and got it today and hooked it up. i noticed that my stock amp gauge reads really low, is the gauge suppose to work right with the after market alt. i drove the car for awhile with the lights off and it ran fine but im not sure if the alt is charging the battery. I hooked the red wire to the positive battery post like it said, also it has no ground and it didnt say to ground it. is it working fine, how can i check if its charging my battery.
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1985 1/2 Mustang SVO
2003 SVT Focus
Posts: 766 | From: San Leandro | Registered: Jan 2003
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Lightning Larry
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Member # 2737
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posted
An easy way to check it is to disconnect the pos. terminal on the battery while the car is running. If the car keeps running, it's charging. If it dies, it isn't. Be very careful when messing with the pos. battery cable. It's rare, but a spark can explode the battery gases. ![[patriot]](graemlins/patriot.gif)
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04 Black Lightning
Admin. at www.SVTperformance.com
Posts: 541 | From: Redwood City Ca. | Registered: Apr 2003
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SVTMike
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Member # 2345
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posted
yeah but if i unplug the positive on the battery i unplug the alternator too since its connected to the the clap that goes around the positive battery post
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1985 1/2 Mustang SVO
2003 SVT Focus
Posts: 766 | From: San Leandro | Registered: Jan 2003
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SVTMike
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Member # 2345
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posted
ttt
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1985 1/2 Mustang SVO
2003 SVT Focus
Posts: 766 | From: San Leandro | Registered: Jan 2003
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Stimson
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Member # 51
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posted
Then unplug the negative side of the battery
Posts: 2373 | Registered: Jun 2000
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SVTMike
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Member # 2345
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posted
oh yeah, duh and if it stays on im cool?
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1985 1/2 Mustang SVO
2003 SVT Focus
Posts: 766 | From: San Leandro | Registered: Jan 2003
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Stimson
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Member # 51
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posted
If it stays on it means that your alternator is providing an output to keep your car alive at idle. If you're really paranoid, just take it to any parts store, they have the machine to check alternators and they test them for free.
Posts: 2373 | Registered: Jun 2000
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SVTMike
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Member # 2345
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posted
yeah but should the factory battery gauge work with the powermaster alternator or no because none of the factory wiring is used
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1985 1/2 Mustang SVO
2003 SVT Focus
Posts: 766 | From: San Leandro | Registered: Jan 2003
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SVTMike
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Member # 2345
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posted
yeha i unplugged the negative and the car died, im gonna try doing the 3 wire hook up and see what happens, i noticed the alternator only really came on once or twice when i really stepped on the gas
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1985 1/2 Mustang SVO
2003 SVT Focus
Posts: 766 | From: San Leandro | Registered: Jan 2003
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Gear Head
JARED
Member # 779
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posted
Sounds like you got a bad alternator. Take it down and have it tested for free and see what comes up. IMHO return it to whoever you bought it from and get a 3g alternator from Kragen.
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Support our troops!
Posts: 5685 | From: EASTBAY | Registered: Jan 2002
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Wildfire532FB
CAFords OG
Member # 1482
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posted
theres another wire your supposed to conect on those alts. Its a small wire did you conect that? Without that wire the alt won't work.
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68 Fastback
84 CJ7
94 HMMWV
95 GT
03 F350
17 Fusion Hybrid
Posts: 17578 | From: 530 | Registered: Jun 2002
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SVTMike
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Member # 2345
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posted
no, i just noticed i need to buy a part from radio shack and run a wire from the alt to the green wire on my factory harness. thanks
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1985 1/2 Mustang SVO
2003 SVT Focus
Posts: 766 | From: San Leandro | Registered: Jan 2003
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Wildfire532FB
CAFords OG
Member # 1482
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posted
quote:
Originally posted by 85SVOMIKE:
no, i just noticed i need to buy a part from radio shack and run a wire from the alt to the green wire on my factory harness. thanks
Yeah thats what i was talking about. Did you have to modify the alt. mount? I had to it sucked.
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./_ _ _ ___ __\
(]]]_ _ o _ _[[[)
|\_o_ __ __o_/|
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68 Fastback
84 CJ7
94 HMMWV
95 GT
03 F350
17 Fusion Hybrid
Posts: 17578 | From: 530 | Registered: Jun 2002
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66 AC COBRA
Nitrous King
Member # 904
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posted
ahh, forgot about the stator terminal, it happens, it should work now, enjoy ur new alternator, it will work better than my 2g stock foxbody one ![[Mad]](mad.gif)
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FFR AC Cobra
72 Vega - WCHRA Extreme 10.5
Posts: 6280 | From: Winters | Registered: Feb 2002
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92coupe
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Member # 1957
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posted
my friend has the same alternator, except i believe hi sis a 160 amp, anyways he didnt have to buy any other parts. the one wire goes to the battery, and of the stock alternator harness there was a small clip that attaches to one of the 2 posts on the 130 amp alternator. kinda hard to explain over the net. its more of a gotta see it thing.
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94-GT BLOWN & STROKED
Posts: 1209 | From: antioch | Registered: Oct 2002
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