OBS PSD alternator issues?

1995voyagerES · Mar 26, 2015

Since I got my 96 F250 last year I noticed low voltage on idle but other than that no problems so far with electricity.
But now just out of curiosity I want to know from you guy if this is normal ;Sweet

(All measured with my Ford AIC module)

Idle 650rpm ~12.5V
At about 1100rpm ~14.5V

At night you can see the headlights dim if I let of the gas on a stop and the "normal" voltage meter in the gauge cluster drops.

If I look at the alternator I can see the inside windings and they are black...not "copper orange" :dunno

Greetings from germany and thanks in advance!

trackspeeder · Mar 26, 2015

No. Your alternator is on its way out.

94f450sd · Mar 26, 2015

Should be around 13.5 at idle.replace the alternator

madpogue · Mar 27, 2015

Are you measuring this after the GPs have cycled off (up to two minutes)?

1995voyagerES · Mar 27, 2015

madpogue · Mar 27, 2015

In that case, +2 above; alternator is done, time to replace.

1995voyagerES · Mar 27, 2015

Great, another thing to buy LOL

At least there is rockauto so it's not a big problem for someone in germany...

Can anything happen if I leave it like that other than a drained battery?
I mean...I drove like this for almost a year now...

lindstromjd · Mar 28, 2015

Not just a drained battery, you can flat-out kill a battery (or two) like that.

sassyrel · Mar 28, 2015

lindstromjd said:
Not just a drained battery, you can flat-out kill a battery (or two) like that.

+2, because, most likely,,one diodes bad..when one goes bad,,its puts more load than the others are rated for,,,and its only a matter of time.................................

1995voyagerES · Apr 14, 2015

Last friday I bought a new alternator via rockauto. It arrived today (wow! fast shipping ;Sweet

) and I installed it directly.
Fixed the problem!
The only thing I had to do was swapping the pulleys (the ACDelco one is smaller).

14.1V at idle now and no drop or variation with rpm.

(I bought an ACDELCO #3351106. Was that a good decision?)

sassyrel · Apr 14, 2015

1995voyagerES said:
Last friday I bought a new alternator via rockauto. It arrived today (wow! fast shipping ) and I installed it directly.
Fixed the problem!
The only thing I had to do was swapping the pulleys (the ACDelco one is smaller).

14.1V at idle now and no drop or variation with rpm.

(I bought an ACDELCO #3351106. Was that a good decision?)

smelco, delco, or whatever. theres good and bad between all of them..you just take your chances.............the only ones ive never had a problem with,,are NEW ones,,from whoever,,rebuilds can be a game of roulette...

greenskeeper · Apr 14, 2015

sassyrel said:
smelco, delco, or whatever. theres good and bad between all of them..you just take your chances.............the only ones ive never had a problem with,,are NEW ones,,from whoever,,rebuilds can be a game of roulette...

you need to find a local rebuilder....you know...the guy who still smokes cigarettes and has scantly clad posters of women on the walls of the shop.

OBS PSD alternator issues?

1995voyagerES

Full Access Member

trackspeeder

Stone crusher.

94f450sd

Supporting Member

madpogue

Full Access Member

1995voyagerES

Full Access Member

madpogue

Full Access Member

1995voyagerES

Full Access Member

lindstromjd

Black Sheep

sassyrel

Registered User

1995voyagerES

Full Access Member

sassyrel

Registered User

greenskeeper

Full Access Member

Similar threads

Latest posts

Forum statistics

Members online

Share this page