MkI coolant temp guage with 2 prong ABA sensor

[sukchew at suddenlink.net (Chuck Blue)]

I am using the stock one wire sensor on my ABA,I built an adaptor that the 
sender screwed into with a seperate gound wire to the adaptor base.It is 
mounted in the coolant steam at the hose cluster fitting at the rear of the 
head/Block? I don't remember which .It's the one that the small coolant 
hoses go to.My works really well.
    I can't answer any of the techie questions.
ole blue
----- Original Message ----- 
From: "C Boyko" <roccit_53@xxxxxxxxxxxxxxxxxxxxxxx>
To: <scirocco-l@xxxxxxxxxxxx>
Sent: Sunday, June 17, 2007 4:02 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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