I am assuming that it is your 1970 Roadster in which case it is an
electronic tach. Cuases of fluctuation can be problems in the ignition LT
circuit - which may also be detectable as a missfire - or possibly a bad
connection in the green supply or black ground supplies to the tach.
PaulH.
MG Cars Webring MG Site of the Month - September '99
http://freespace.virgin.net/paul.hunt1/
(or if that URL doesn't work try )
(http://194.168.54.52/paul.hunt1)
-----Original Message-----
From: Susan Rutherford <sruther@axionet.com>
To: mgs@autox.team.net <mgs@autox.team.net>
Date: 30 September 1999 20:24
Subject: soft tops & wild tach
>Listers,
>
>Tach: my tach is constantly going wild - never stays put on one value.
>Any ideas?
>
>Thanks in advance!
>
>Susan Rutherford
>1970 MGB Roadster
|