Dixco tach hookup

[John Stapleton]

So I got this tach off of CL yesterday and can not find any install info on it. I realize green goes neg coil , red is 12v, and black is ground but where is the light wire? I swear years ago a buddy had a Mopar Performance tach identical to this and it had a light! Can anyone give me any info on this tach and the proper wiring hook up as I do not want to wire it wrong and cook it? Thanks in advance! A few pics..

 

[yellow rose]

IIRC the light is powered by the red wire on that tach.

 

[John Stapleton]

So just the standard 3 wire hook up and i am good to go?

 

[halifaxhops]

Bench check it red and black

 

[yellow rose]

So just the standard 3 wire hook up and i am good to go?

I think so. Halifax says check it and I agree.

We are going off my memory from decades ago. My wife says my memory from yesterday isn't worth a crap, for whatever that's worth!!!

 

[Murray]

Curios, how does one replace the bulb?

 

[John Stapleton]

What am I looking/testing for on the bench test Halifax? I have never tested a tach before.

 

[Demonic]

Just for it to light up with the red and black. You'd have to simulate a signal on the green wire. Don't do it with 12v.

 

[John Stapleton]

Red and black lit it up! Time to install.