On 2/8/05 12:59 PM, "Dave Chameides" <docproteus@EARTHLINK.NET> wrote:

> I am wiring in a 12v heater and I need the relay to get it�s 12volt signal
> (this will trip the relay, not power the heater) from a source that is only
> on when the engine is running (ie. Once the alternator is cranking).
> Ideally I�d like to tap into something in the little electrical box in the
> rear engine compartment.  Wondering if anyone has any thoughts on the best
> place to tap into?
> 
> Dave
> 
> 
The blue wire from the alternator can be used to trigger relays.  There is
voltage on it only when the alternator is spinning.  It is the same one that
powers the relays on the westy components. It also goes to your alternator
light.
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jimt
Planned insanity is best.
Remember that sanity is optional.
http://www.tactical-bus.info (tech info)
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