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Discussion Starter · #1 ·
Alright i am going to hook a tach up in my truck. For the tach signal it says the negative wire off of the ignition coil. Is this the wire? Its the white one in the picture and it runs to the distrubuter. thanks
 

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I'll have to look at mine, but it was labeled on the plug, then I used on of those handy blue splice/ clips and finished it up.
 

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don't use the white wire to the dist., tap into the white wire in the other connector(goes into the harness)
 

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NOT DONE TO MANY PROBLEMS
Joined
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1,566 Posts
Discussion Starter · #5 ·
I hooked it up to the white wire going to the distributer and it reads good. It is about 800 idle, Why would you tap the other wire? Also i want to hook it up into the dimmer switch anyone know which wire it is? Remember this is a 93 blazer
 
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