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Alternator help PLEASE!!!!!!!!

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Old 05-03-2011, 05:12 PM   #1
Join Date: May 2011
Vehicle: 1966, Ford, Mustang
Location: Kansas
Posts: 3
Default Alternator help PLEASE!!!!!!!!

I have a 66 mustang coupe that i bought a couple of years ago and have been restoring. i upgraded the sound system and now the power demand is to much for the stock alternator so i ordered a new one. i got a Mr. Amp 130 amp alternator the 3 wire style. I thought it would be a simple install but i thought wrong. if anyone has any info on how to complete this install please let me know
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Old 05-03-2011, 07:20 PM   #2
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what part is kicking your butt?

Masters of Industrial Technology intelligence thats why I own guns made to drop elephants.
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Old 05-03-2011, 10:48 PM   #3
Join Date: May 2011
Vehicle: 1966, Ford, Mustang
Location: Kansas
Posts: 3

its the wiring of it since the old alternator was externally regulated and the new one is internally regulated im not really sure wat to do. I read the wiring instructions but they arent very helpful or im just not understanding them. there are 3 wires that come out of one plug yellow w/ white stripe, white w/ black stripe, green w/ red stripe on the back of the alternator and a single wire that comes out of another plug solid white. the instructions say to loop the single solid white wire to the white w/ black stripe, the yellow w/ white stripe to the positive post on the back on the alternator, the green w/ red stripe to a 12v ignition source that is only hot when the key is on. its all simple besides the green wire i read somewhere else that the green wire should go to the black wire w/ yellow stripe on the original alternator wiring harness. i did this and hooked up the battery and the battery will die with the key off something is causing a large darasidic draw i assume its the new wiring since everything was fine before then. if you know anything please help
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Old 05-04-2011, 06:39 PM   #4
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Vehicle: 1965 mustang fastback
Location: Upland, California
Posts: 1,246

Do you have a link to the alternator?

1965 Mustang Fastback 302
1998 Mustang 3.8L
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Old 05-04-2011, 09:53 PM   #5
Join Date: May 2011
Vehicle: 1966, Ford, Mustang
Location: Kansas
Posts: 3

i just bought the alternator and it said that was all that was needed. am i missing somthing i should have? the mr. amp kit came with a power wire fuse and the two plugs that go into the alternator is there a wiring adapter i should have to like the new alternator to the old wiring since i dont need the voltage regulator anymore?
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Old 09-01-2014, 11:22 PM   #6
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Vehicle: 1965 Coupe 302
Location: Reno,NV
Posts: 304

hook up the alternator to the starter solenoid with at lest a 4 gauge wire, thats it you are done.
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Old 09-01-2014, 11:22 PM
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