I tried that, but w/the wire shoved in there the coil connector wasn't making contact so the car wasn't starting that way either. I didn't actually cut the negative coil wire. I just ripped some of the rubber off & wrapped the wire from the tach around that & taped it up.ram360 said:When I insall a tach I usually unplug the connector from the coil and stuff the end of the wire coming from the tach into the connector and just plug it back in. That way there is no need to cut/splice anything. Sounds like you have a bad connection where you cut it.
Yes, it will start if I remove the tach wire from the coiljrichker said:Will th car start with the tach disconnected?
I have the correct wire (green) going to the coil.Stang8URMPRT said:Only thing I can see if you have the wrong wire from the tach going to the negative coil wire. I would be almost sure if you hooked up the tach wrong, it would interfere with the negative signal to the coil. My .01 1/2 cents
Nick
Loco5.0 said:Another thing, I hooked it up quickly just to make sure it'd work before I routed the wires correctly etc & it worked fine w/the wire jammed into the coil where the plug goes & now it won't work at all wtf.
I'm going w/#3 so I'll replace it & see what happensjrichker said:The red/lt green wire is 12 volt power to the coil from the ignition switch.
The dark green/yellow wire is the trigger wire that goes to the TFI module. When the TFI switches it to ground, it makes high voltage at the high voltage wire going to the distributor cap.
Three possibilities:
1.) It didn't make a good connection the first time you tried it, so it didn't kill the ignition.
2.) The wiring from the dark green/yellow wire to the tach has rubbed a bare spot in the insulation & has shorted to ground.
3.) The tach has died a sad death. Bury it and have a wake! Frolic, food & friends, gather round and morn your loss.
It doesn't work no matter how I jam it in or if spliced into the coil wire.Car RamRod said:so whats the status right now? It works when sandwiched on top of the coil, with the coil wire, but when spliced it dies?
Autometer 5" tach w/shift light & Stock ignition.D347643 said:what tach you running? i think some need a tach adapter depending on which ign setup you have.
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