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See what you've driven me to?
Cathy,
If you can get me any kind of specs on both ends of what you're trying to connect, I'll whip you up a circuit that interfaces
between the two. It will likely require a voltage divider of some sort, as opposed to just one resister in series.
Al
> -----Original Message-----
> From: C Boyko [mailto:roccit_53@xxxxxxxxxxxxxxxxxxxxxxx]
> Sent: Sunday, October 21, 2007 10:13 PM
> To: scirocco-l@xxxxxxxxxxxx
> Subject: See what you've driven me to?
>
> Yeah, it's become a geek-fest in my garage. I just got in
> from trying to get my dash water temp guage to work. The
> problem is the ABA sensor and the MkI gauge don't play nice,
> the guage pegs at hot. So I'd tossed in the largest resistor
> I had and that pegged it at rest position. Which it never
> moved from. So something between nothing and 1000 ohms is
> right. So I ask the kid (he's gotta be good for something),
> he's got a potentiometer handy, likely from a helicopter. So
> here I am after twisting the dial and boiling water to
> immerse a spare sensor in, and it's still not perfect, but
> I'm closer. 150 ohms seems to be what's called for. Of course
> that means adding up about six resistors in series. When I
> got the 16V a few years back, I didn't even know how to
> disconnect the battery cables. The other projects today were
> washing three cars (Bug/Klaus/Mustang, don't ask), getting a
> spare engine and tranny into a spot where I didn't keep
> knocking my shins on them, and figuring out fitment for
> battery relocation and the cutoff switch to go with it. All
> the piddly shit takes so much time! It was a beautiful fall
> day for it though. Hope you all had good weekends.
> cathy
>
>
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