Measuring alternator output (Amps)?
#1
Measuring alternator output (Amps)?
What is the best way to measure the alternator output? I assume it would be an ammeter that can measure in the amps in the hundreds. I picked up a high output alternator (not JPI) but wanted to verify the output level. I also wanted to check the OEM output. The two Norcal shops I know don't have a way to measure this.
#2
Yes. I drove the LFA.
iTrader: (9)
You need to get a load tester... not somethin you can or would want to just pick up at the store. An inductive pickup on an ammeter probably wont be able to measure the amount you're looking for, simply because you have to load the alternator to measure output, and the ammeter cant load the system, it can only measure. Where are you in CA? Im suprised to hear that your local shops dont have a battery/alternator load tester
#3
You mean the unit would put the load on the alternator and measure? What about if the alternator is installed? Can a simple ammeter measure it then and have the car put the load on it?
I was surpised too about the shops too. Looks by your sig, you are in NorCal. So am I. Do you know a place that has the equipment to test it?
I was surpised too about the shops too. Looks by your sig, you are in NorCal. So am I. Do you know a place that has the equipment to test it?
Last edited by Neo; 11-30-04 at 04:47 PM.
#5
Yes. I drove the LFA.
iTrader: (9)
Originally posted by Neo
You mean the unit would put the load on the alternator and measure? What about if the alternator is installed? Can a simple ammeter measure it then and have the car put the load on it?
I was surpised too about the shops too. Looks by your sig, you are in NorCal. So am I. Do you know a place that has the equipment to test it?
You mean the unit would put the load on the alternator and measure? What about if the alternator is installed? Can a simple ammeter measure it then and have the car put the load on it?
I was surpised too about the shops too. Looks by your sig, you are in NorCal. So am I. Do you know a place that has the equipment to test it?
I know of a few shops in Fremont that have the capability to test your alternator while its in the car. I beleive, like said above, an autozone location can test it outside of the car.
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