Turn Lamp Resistor? (Scientific Type Peoples with Equations)

[Huw Powell]

> The difference is the city bulb is 5W not 21W and doesn't create enough draw
> to stop the rapid blinking when a bulb is out.  So I used a resistor in
> parallel to create the proper draw and for the life of me I forget what it
> was.  I do remember it has to do with Ohm's law and I'll start sniffing
> around for that.

so you want a resistor that draws 15w at 12v across the 5w bulb...

P=V^2/R so R=V^2/P

R=144/15=approx 10 ohms, use at least a 25w resistor.

you might want to experiment with higher values (> 10 ohm) to see what
the threshold is and use that.

if a 20 or 15 ohm resistor works, it will waste less energy and heat up
less.

>     One thing I forgot is this car has autocheck.  I wonder if I have to do
> something to accommodate that now too.  Does Blau's harness account for
> that?

All ya have to do is jump the low in/low out connections in the
autocheeck relay socket, the ones for the side you are using to trigger
your relay.

56bL to 56bL1, or, 56bR to 56bR1.  ignore the other three terminals.

-- 
Huw Powell

http://www.humanspeakers.com/audi/

http://www.humanthoughts.org/