My Garmin indicates a highway speed about several mph different than
the speedometer. Do you all think GPS units are accurate?

kgg

On Apr 13, 2010, at 8:50 PM, Jamie Fitterer wrote:

> Wonder if I might have some other issue as mine is way off.  My
> cable is going bad?
>
>
>
> How would one check the possibility of poor Engine/transmission
> ground?
>
>> Date: Tue, 13 Apr 2010 20:20:20 -0400
>> From: dbeierl@ATTGLOBAL.NET
>> Subject: Re: 1984 Speedos
>> To: vanagon@GERRY.VANAGON.COM
>>
>> At 08:14 PM 4/13/2010, Joe T. wrote:
>>> No way! My cluster is out of an '84 Wolfsburg full Westy and the
>>> speedometer has always been way, way off. I just thought it was a
>>> problem with that particular speedometer. Learn something new
>>> every day.
>>
>> Also bear in mind that a poor engine/transmission ground can pass
>> enough current through the speedo spring to ruin its temper,
>> resulting in a gauge that reads high. I forget the page in Bentley,
>> somewhere in the (lousy) instrument section no doubt.
>>
>> Yours,
>> David