No actually its about 2 to 1 judging by the pulleys so 2000rpm motor = 4000rpm alternatorIt takes about 3000rpm at the alternator shaft for it to do much. As pointed out, with the pulley ratios actually used in vehicles, even with the engine idling at 800RPM, the alternator will be spinning at >2000rpm. At highway speeds, the alternator is turning almost 10,000 rpm.
The BIGGEST problem of all is loose connections and sometimes in the oddest places. Had car painted, the shop did tighten the battery cable. Can cause failure of diodes.
The oddest failure was corrosion on a bulkhead connector. That was killing alternators. Watch battery crimp connectors.
Its not easy to work out which diode is connected to which and which are positive and which negative.
I don't think he was talking to you...Interesting blurb:
Does anyone else have any suggestions
The first is a solution when your car computer breaks down . This is not my case as above says.Interesting blurb: https://alternatorparts.com/external-voltage-regulator-high-output-alternator-kit.html Don't lnow what to make of it.
Generally, you would disconnect the diodes from the alternator coils and test each one in the forward and reverse directions using the diode test on your meter.
Some strange connections: **broken link removed**
Gone stale here .
Does anyone else have any suggestions
Yeh yeh stop with the **** and start making this site sensible and useful . Look at the crap in this thread now as an example of where you clowns are taking this forum
MikeM "I am an engineer and an academic. When I talk about current it flows from positive to negative."
But it does not mike as you know and that stubborn head in the sand approach holds back the younger generations by confusing them . Its now being taught properly in Unis so move with the times is my way - no offence intended Mike
Why do you keep posting crap
Can't you just go away when given a hint and let someone else have a go .
All you serve to do atm is block other people from commenting because they see an answer there .
You obviously just sit on here each day and do not have a life to go to.
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