I wish I knew, as I found one just yesterday in a small car boot type sale.
This Smiths rev counter was in a bit of a mess, contact glue having been applied to the original plastic housing. With the internals removed I could clean that some.
Wires, well there is a black one, that was connected to nothing, there is a red and white one which clearly feeds the internal light.
The ones that do the work will be the brown one, that was on a screw named 8 cyl, the blue wire was on a screw named 4 & 6 cyl, then two white wires, they like the brown and green wires enter the instrument via the mount stalk.
I have a fitting instruction for the Smiths ICT-02 ICT-03 rev counter, it clearly says :
Read these instructions carefully! incorrect connections may cause instant and permanent damage to the instrument or ignition system.
I think I will take this unit to Charles the guy who checked the wires on the Fraser replica Imp.
Roy
The Lotus Elan forum has this on the subject
http://www.lotuselan.net/publish/bouncing_tach.shtml
Wires, well there is a black one, that was connected to nothing, there is a red and white one which clearly feeds the internal light.
Nice size, nice price and if it works a nice addition to the families 1967 Singer Chamois.
I have a fitting instruction for the Smiths ICT-02 ICT-03 rev counter, it clearly says :
Read these instructions carefully! incorrect connections may cause instant and permanent damage to the instrument or ignition system.
I think I will take this unit to Charles the guy who checked the wires on the Fraser replica Imp.
Roy
The Lotus Elan forum has this on the subject
http://www.lotuselan.net/publish/bouncing_tach.shtml
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