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How can I convert to One-Wire alternator?

Old 09-07-2005, 09:45 PM
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Default How can I convert to One-Wire alternator?

My Mando style alternator died. It`s a 1998 with serpentine belt. I`d like to use a one-wire style GM alternator.
QUESTIONS:
Can I use automotive style alt? If not, how can I convert it to be marine safe? I don`t need USCG approved decals, I boat on lakes and they never check your equipment.
Will a regular GM alt fit into my bracket?
Will a GM alt with serpentine belt work with my belt? Will it line-up?
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Old 09-08-2005, 06:01 AM
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Default Re: How can I convert to One-Wire alternator?

Don't know all your answers. My old Alt. died & when I took it in to be rebuilt I was told I could go the GM 1 wire cheaper. I tried it & it works. You do need to get the marine version. It is no big deal. It did fit my bracket. Don't know about serpentine belt tho.
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Old 09-08-2005, 06:44 AM
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Default Re: How can I convert to One-Wire alternator?

I belive the pulleys are interchangable , so you can use old one.
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Old 09-08-2005, 07:34 AM
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Default Re: How can I convert to One-Wire alternator?

Coast Guard may not check your equipment but the insurance company may if there is ever a claim. It is not a big deal to marinize and the marine versions should be readily available. They have screens or are sealed to prevent sparks from igniting fuel vapors that collect in the bilge.

Cheap piece of mind to protect my family and my investment.

I use the one wire alternator and have covered and secured the additional wires out of the way.
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Old 09-08-2005, 09:17 AM
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Default Re: How can I convert to One-Wire alternator?

Originally Posted by mneal
I belive the pulleys are interchangable , so you can use old one.
Doesn`t the Mando alternator use a keyway on the pulley? I know that the GM alternator does not.
Pulleys still interchange?
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Old 09-08-2005, 03:17 PM
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Default Re: How can I convert to One-Wire alternator?

Originally Posted by HigherPower
Doesn`t the Mando alternator use a keyway on the pulley? I know that the GM alternator does not.
Pulleys still interchange?
They are all a standard Morse Taper, some have use a woodruf key as well though. You don't actually have to have the key in there for it to hold.
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Old 09-08-2005, 03:44 PM
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Default Re: How can I convert to One-Wire alternator?

Originally Posted by hillbilly24
They are all a standard Morse Taper, some have use a woodruf key as well though. You don't actually have to have the key in there for it to hold.
That`s exactly what I was just told by an alternator manufacturer in Dallas.
I just ordered a Delco style 135 amp , one-wire, MARINE alternator. It is powder-coated black, comes with either a v-belt pulley or a 6-groove serpentine pulley, has a 2 year warranty and was $109.99. I thought that was a good deal.
It should arrive tomorrow.
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Old 09-08-2005, 05:49 PM
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Default Re: How can I convert to One-Wire alternator?

great deal higher we carry the marine single wire but not coated and 109 is close to my cost!!!!!
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Old 09-09-2005, 10:01 AM
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Default Re: How can I convert to One-Wire alternator?

check this place out. One wire 100 amp marine for $99. I've got one and it's awesome. [email protected]
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