[urq] 0.15A constant drain on the battery

Huw Powell audi at humanspeakers.com
Thu Jan 29 20:46:58 PST 2009



Louis-Alain Richard wrote:
> In this fusebox setup, all the unswitched lights are on the same circuit,
> the same one for the clock and radio and antenna. When I pull that fuse,
> still 0.15A.

Still might as well test the trunk and glovebox light/switches by 
turning them off "manually", at least.  Easy enough to do.

> What I am thinking of is something less obvious : a relay, or the heating
> element for the warm-up regulator or the thermo-time switch maybe. What is
> the amperage draw (or wattage) of an ordinary relay ? Same question about
> the heating elements ?
> Are they fused, usually ? Same circuit as ignition maybe ? 

As I recall, the WUR is on the "Jetronic" fuse.  TT sw. should only be 
active while cranking.

I think a typical Bosch relay coil draws about half an amp, but that's a 
very fuzzy memory of them being about 24 ohms.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/


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