kango
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| posted on 9/1/05 at 11:05 AM |
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Jaguar Rev counter connections
Fitting the complete Cortina loom, but adding a Jaguar (Smiths) Rev counter.
How do I wire it to the engine?
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britishtrident
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| posted on 9/1/05 at 11:13 AM |
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You should find 4 connections on the back of the taccho
+ve, -ve and a pair of connections that form an inductiver loop -- the coil loop connects through the loop.
Be aware a Jag tacho won't read correctly on a 4 cylinder car,
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kango
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| posted on 9/1/05 at 11:40 AM |
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Found a lot on getting a 6 Cyl Rev counter to work on a 4 Cyl. Always does a search before I ask a question.
This is what the Rev counter looks like. What termonal gets connected with what side of the coil?
 
Rescued attachment Rev Rear.JPG
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rusty nuts
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| posted on 9/1/05 at 11:50 AM |
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That looks a little on the old side, would have thought that the terminal connected direct to casing is earth , the one opposite would connect direct
to coil neg terminal IF tacho is neg earth. hope this is of some help, Rusty
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kango
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| posted on 9/1/05 at 12:14 PM |
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There is actually 2 terminals on the RH side. A spade and a round one.
What is the negative side of the coil? One wire comes from the loom and the other goes to the distributor.
 
Rescued attachment Rev Rear 2.JPG
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rusty nuts
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| posted on 9/1/05 at 03:21 PM |
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The neg side of the coil should be marked with a neg --- or possibly a number 1 . Sorry didn't see the 2nd terminal , the second photo helps,
might be worth trying each? Rusty
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