620 Tach wiring

[Z-train]

I need a diagram that shows the hook up for a 620 tach.I also need the wiring harness for the lighting for the tach.

 

Thanks.

[datzenmike]

Bill there were two style of 620 tachs. The one below is the inductive type I think, the one below may be the pulse type. Sorry I can't help more but perhaps someone can chime in on this.

 

I think 4 and 5 is spliced in line between dizzy and the coil neg terminal. The tach senses the signal in the loop of wire.

 

If it has a single wire (like below) it can be connected to the Blue wire from the neg side of coil.

 

 

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[Z-train]

Mike-thanks.On mine the 5/4 wire isn't there.Mine is line the line drawing below that.THe two screw terminals and the post(push ontype).

 

All i need now is the light harness.Hmmm,just thought of something-is the light harnes for the heater use the same type of plugy iny thingies? :blink: