Hey I am putting a aftermarket tach in my 98 neon and i need to know what wires to hook it to or what you guys did to get it to work. Mines a sunpro with just the black,red,white, and green wires. So Let me know!

 

black-ground red-ignition power white-illumination green-coil signal wire, which i believe is the green/orange one....somebody correct me if i'm wrong

 

Ah ok but do you know where and what wires I need to connect them to? Because I got the Tach installed and grounded but I am not exactly sure where to connect the other 3 wires. I've seen them installed but they where on V8s and very different.

 

the tach i put in my neon has 4 wires, power lights ground and rpm signal. for ground either find a ground wire and tap into it or find bare metal on the car to soldier the wire to. for power find a good power source to tap into, radio, light switch, defrost button, list goes on. for lights, tap into your light switch so when u turn your lights on the tach light will come on too. and for rpm signal do NOT connect it to the coil you will be angry because you will only get 1/2 a signal, unbolt your PCM under the hood and look for a grey and blue striped wire should be bottom left if i remember correctly, it is a hard one to find but gives the correct signal. for more information I found a forum devoted to your topic, enjoy.

 

What about the power wire?

 

On our '97 base SOHC coupe, we picked up the instrument cluster from a tach equipped car in the junk yard - just plugged and played. But doesn't help you.

 

Red is for key-on power. The green wire is actually the tachometer signal wire. Not the coil. All connections can be made behind the gauge cluster.