failing speedometer

For the technical things.
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Tomik
Posts: 2
Joined: Fri Sep 24, 2021 5:05 am

failing speedometer

Post by Tomik »

Whats wrong when you only get half the reading?
i.e., going at 90 km/h the speedo instrument shows 45 km/h.

(The car is TS from 1990)
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Alfan
Q4 owner
Posts: 1289
Joined: Thu Oct 22, 2009 8:20 pm
Location: Denmark
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Re: failing speedometer

Post by Alfan »

I have no idea, but believe that it is the same conctruction on all 164's, so hopefully someone have experienced this and found a solution.
1994 Alfa Romeo 164 Q4 Proteo Rosso
1989 Lancia Thema 8.32 Verde Indy
2001 Alfa Romeo Spider 3.0 24V Blue Lightning
2015 Alfa Romeo 4C Rosso Competizione
2021 Alfa Romeo Giulia Sprint Anodized Blu
1980 Alfa Romeo Alfetta Blindata Bianco
164EVER
Posts: 367
Joined: Thu Feb 20, 2014 9:42 am
Location: france, allier

Re: failing speedometer

Post by 164EVER »

Replace the electrical motor behind the needle soldering neg or plus is out.
164 3.0 V6 1988 330000KM
164 2.0 TS 1989 243000KM
164 SUPER 2.5 TD 1993 308000KM
156 1.8 TS 2001 165000KM.
EX : 33 SW 1.5, 1.3 ie, 1.5 ie, 33 1.7 QV 16V, GIULIETTA 116 1.6, ALFA 6 2.5 (X3), 146 boxer 1.6 , 164 SUPER 2.0 TS.
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