On 12/29/04 2:13 PM, "Dave Chameides" <docproteus@EARTHLINK.NET> wrote:

> As I posted recently, I had my alternator rebuilt to 120 Amps and got a new
> battery (825 cca).  The alternator was shot, and the battery was fairly
> tired as well.  I�m about to put a 17 amp heater in, so
> I wanted the alternator to be able to deal with the extra load.  So I�m back
> up and running, van starts fine, and the battery light stays on for a second
> or two and then goes off.  When I have all my accessories on(radio, lights,
> heater on high blower), my vdo reads 14+ when I�m driving but drops down
> right around 12 when I idle.  Is this OK?  I don�t even have the heater in
> yet and I feel like the system is overtaxed.  Am I missing something?
> 
> Dave
> 
> 83 1.6 diesel
> 
First a not on alternators :

for diesel are often designed for a lower rpm speed engine than alternators
for gas engines.  

When the alternator is putting out it should read in the 13 plus range.  You
need to adjust idle speed up.

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jimt
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