[Shotimes] Re: upgrading bulbs in headlights
Ian Fisher
dataflash@yahoo.com
Fri, 12 Nov 2004 13:51:39 -0800 (PST)
Where are these seperate resistors? Especially the
ones for the tailights?
thanks
Ian
--- MonsieurBoo@aol.com wrote:
> Secondly, wrt the resistor, this will only affect
> the LAMP OUT functionality
> of the headlights. It won't affect the LAMP OUT
> functionality of other
> lamps.
>
> Each set of lamps are powered separately, and each
> have their own "sense"
> inline resistor.
>
> ==========
>
> If that's the way it works, and it certainly sounds
> logical, this voltage
> drop has simply been displaced to the DOWNSTREAM
> side of the relays. The drop
> should consist of a small "baseline" voltage drop
> due to any inherent
> resistance in the wiring and connectors, plus "2x"
> the voltage drop that occurs with
> one headlight lit. When one bulb goes out, the
> voltage drop would decrease
> to "baseline + x" in that part of the circuit.
>
> Seems to me if this is the case, the relevant lines
> from the sensor could
> just be spliced in on the downstream side, though
> most likely the "comparator"
> resistor might need to be tweaked to get the trigger
> point set to the right
> voltage.
>
> The sensor seems to live OK when plumbed into the
> original high-current
> circuit, it's the switch that's the weak point, so I
> assume plumbing the sensor
> into the downstream circuit would not affect its
> longevity.
>
> Cheers,
> Mark LaBarre
> 94 atx 125k
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