Adding a Tachometer

[J-Pipes]

I picked up a small tachometer I want to put on my Farmall M. While looking at it online I had the install figured out, but now for some reason with it in front of me, I feel totally stumped! So I'm just looking for some guidance from those smarter than me! Here's some pictures if the gauge and the included instructions.

 

[dieselbeef]

i forget..gas or diesel....

 

[06 DIESEL]

Yellow goes to your headlight switch, blue to whatever you are using for you RPM pickup, Red goes to hot/battery after the on/off switch, and black goes to ground. I have no idea what white is going to I guess that you bought changes colors.

 

[J-Pipes]

Gas.
I guess the rpm pickup is my next big hurdle then. For some reason I thought there was something to do with the distributor when I ordered it, but now I don't think so.

 

[dieselbeef]

wrap coil wire? with the pickup wire...how my quad did it.. point side of distrib