[Vwdiesel] Finally need a new alternator? Burning through brushes.
william at taygan.com
Wed Jan 14 14:22:36 PST 2009
90 amp alternator. I'm sure I'm putting stress on it, especially in the
winter. I figured that was partially why I burned through brushes every
Does the amp rating decrease as they age?
The 94 Frankenjetta has a 1.6l with a serpentine belt setup and a 120
amp alternator. PO set it up that way, maybe I'll reverse-engineer what
he did someday. Great for running, PITA when I need to work on
anything, as it takes up almost all the space between the engine and the
Yellow top is to run the Espar diesel-fired heater an hour or so and
still have reserve for glow plugs and starting at -20F. 30 minute drive
home hopefully is returning a full charge.
On Tue, 2009-01-13 at 21:17 -0600, brian gochnauer wrote:
> >"Oh yeah, I've got a new optima yellow-top and pull quite a bit of
> >Amperage running the heater/radio/lights/vegtherm/etc. especially in
> the winter."
> How many amps are you pulling, how many amps is the alternator?
> Many people always forget;
> The size of the battery does NOT help when you have a large load over
> an extended time.
> The battery is like a cup of water, the alternator is like the faucet.
> If your load continually nears alternator capacity, it forces the
> alternator to run FULL capacity (AMPS) all the time.
> Battery size is for starting, not continual heavy loads.
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