MkI coolant temp guage with 2 prong ABA sensor

[roccit_53 at scirocco.cs.uoguelph.ca (C Boyko)]

THAT is more like what I was thinking of, of course, being lazy, I was
hoping that someone had done this and knew which resistor. I guess I'll
just have to pull out that pack I have and see what happens eh? BTW, so
far, I'm enjoying that cam! Should have some hard numbers to go with the
"impression that its faster" on the weekend.
Cathy

On 8:25 am 06/19/07 "Dan Bubb" <jdbubb@xxxxxxxxxxx> wrote:
> The temp sensor are just variable resistors. So, there is no reason
> the ABA sensor won't work with your existing gauge. The issue here is
> probably that sensors just have different resistance curves. On
> Kirsten's 1.8T swap we simply added resistance in series with the
> sensor until the gauge read in the middle of the range when the engine
> was at normal operating temp.
>
>  From: "C Boyko" <roccit_53@xxxxxxxxxxxxxxxxxxxxxxx>
> To: <scirocco-l@xxxxxxxxxxxx>
> Sent: Sunday, June 17, 2007 5:02 PM
> Subject: MkI coolant temp guage with 2 prong ABA sensor
>
>
> >  Yeah, so at some point my laptop won't be riding shotgun 24/7, so
> >  I'll lose
> >  my coolant gauge on Megatune. This is in my '79, ABA head, with
> >  MSnS. Anyway, the stock ABA coolant temp sensor is in the coolant
> >  manifold, and just isn't working to send info to the stock cluster
> >  guage properly. The stock sender was a one wire, and hooking up
> >  the ABA sender with one wire to
> >  the gauge and the other to ground just pegs the gauge. How do I
> >  know what the expected output is from the stock sender, and how do
> >  I adjust what's coming from this ABA one? I don't think that the
> >  stock one could be easily adapted, as it probably grounds in the
> >  manifold, and the ABA one is plastic, not metal. I don't have an
> >  ABA Bentley to see how it's normally wired up. Thanks!
> >  Cathy
> >
> >
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