Does it do it from cold or with the lights off? In the dry?
----- Original Message -----
From: "Matthew Trebelhorn" <matttrebelhorn@netscape.net>
To: <mgs@autox.team.net>
Sent: Monday, December 17, 2001 1:44 PM
Subject: Tachometer reading 800-1000 RPM too high
> This weekend I did a little electrical work -- replaced a battery clamp,
fuel tank sender, secured the ground to the speedometer, and installed
halogen dash lights from Jeff Zorn. Beautiful all around.
>
> So this morning I came to work -- about 30 miles, with rain getting
heavier the whole way. About 5 miles from work, the tachometer started
reading high -- showing 4500 rpm at 60-ish mph. When I stopped at a light
and let the car idle, it showed 1500 rpm.
>
> The car is a '70 B roadster.
>
> Any ideas as to what might cause this? Is it a problem with the heat
generated by the halogen bulbs in combination with my heater/demister? Is
it a problem with water getting into the instruments?
///
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