Need some help, like always. Pics
Logistics Pro
Joined: Sep 2007
Posts: 3,737
Likes: 179
From: Western Mass
GM makes (or uses?) a one wire alternator, from what I've read, its a pretty common swap into all sorts of older vehicles. Often its used with really old vehicles that had generators, and antiquated (if any) voltage regulators. You should be able to tell if its working by testing the voltage while the truck is running.
Posting Guru
Joined: Feb 2011
Posts: 2,216
Likes: 0
From: Princeton MN
Yes that is the one wire alt, its self exciting. It excites itself when you rev it. Any other alt needs a 12v "jolt" to it to start it charging.
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Senior User
Joined: Sep 2010
Posts: 495
Likes: 0
From: Florida
Alright i think I may have solved my own problem here.
On the powermaster website, it says that all you need to do is
hook up the charging wire to any positive battery source and it will charge
But like Onus said you have to rev it to 1200rpm for it to kick on.
here is the link
FAQ-Alternators
Her is the link for the alternator, its expencive so I hope it works 140amp !
Powermaster 8-47140 Alternator | Auto Parts Warehouse
I was reading in other post, where pepole replaced the ip but not the injectors and
they were saying how they can stick open and dump fuel into the
cylinders, this may be the cause of my hard to start lots of white smoke, Couldnt it ?
Are the reman injectors less reliabe than the new ones? they are alot cheaper .
On the powermaster website, it says that all you need to do is
hook up the charging wire to any positive battery source and it will charge
But like Onus said you have to rev it to 1200rpm for it to kick on.
here is the link
FAQ-Alternators
Her is the link for the alternator, its expencive so I hope it works 140amp !
Powermaster 8-47140 Alternator | Auto Parts Warehouse
I was reading in other post, where pepole replaced the ip but not the injectors and
they were saying how they can stick open and dump fuel into the
cylinders, this may be the cause of my hard to start lots of white smoke, Couldnt it ?
Are the reman injectors less reliabe than the new ones? they are alot cheaper .
Thread Starter
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Senior User
Joined: Sep 2010
Posts: 495
Likes: 0
From: Florida
Ok thanks bein 15 its kin of hard to come up with $300 bucks LOL.
Does this sound like this could be my hard to start lots fo white smoke.
I thing the timing is correct on the pump, the mechanic told me he lined up all the y marks on the engine, and checked it twice and they were good, the thing that he
didnt do is replace the injectors. So we have a new pump with old injectors
Where is a good place to get the injectors and injector return line kit ?
Does this sound like this could be my hard to start lots fo white smoke.
I thing the timing is correct on the pump, the mechanic told me he lined up all the y marks on the engine, and checked it twice and they were good, the thing that he
didnt do is replace the injectors. So we have a new pump with old injectors
Where is a good place to get the injectors and injector return line kit ?
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More Turbo
Joined: Nov 2010
Posts: 521
Likes: 6
From: Cincinnati, OH
Ok thanks bein 15 its kin of hard to come up with $300 bucks LOL.
Does this sound like this could be my hard to start lots fo white smoke.
I thing the timing is correct on the pump, the mechanic told me he lined up all the y marks on the engine, and checked it twice and they were good, the thing that he
didnt do is replace the injectors. So we have a new pump with old injectors
Where is a good place to get the injectors and injector return line kit ?
Does this sound like this could be my hard to start lots fo white smoke.
I thing the timing is correct on the pump, the mechanic told me he lined up all the y marks on the engine, and checked it twice and they were good, the thing that he
didnt do is replace the injectors. So we have a new pump with old injectors
Where is a good place to get the injectors and injector return line kit ?
On your alternator, you can get a mid 70's Chevy truck alternator and the hook up is easy. It will be a three wire, and the cost for a rebuilt one is as cheap as it gets, around $40 give or take. Connect the large hot lug to battery + or other constant +12 volt source with a large enough wire gage (10 ga is good). Then make a small jumper from the large lug to the #2 spade terminal, it is the one farthest away from the large lug. The #1 spade is hooked to a +12 switched source. As soon as you turn ignition on, the alternator will be charging, no self-eciting higher rpm required.
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