hey everyone so i got a 74 260z just purchased the autometer phantom electrical gauges was wondering how did you wire your gauges up did you guys use the stock harness??? if so trying to figure out which wire goes to the sender ground and 12v on the back of the autometer gauge thanks a lot

Is this an amp or voltage gauge?

im trying to hook up my oil pres and water temp any help would be much appreciated

Step 1 - Get a copy of the 74 wiring diagram (See the links below) Section BE of the FSM is really nice to have, too.

Step 2 - Let us know whether or not you understand the wiring diagram and FSM.

Step 3 - Clarify. Are the Oil Pressure & Water Temp gauges the only gauges you're installing?

Step 4 - Let us know where you're intending upon mounting them. If it's in a stock location, what gauges do you intend upon removing.

Step 5 - Include a picture or link to a reference so those of us familiar with the electrical system but unfamiliar with the gauges can see what you're working with.

Do I sound anal? Perhaps, but if you want good advice, more details tend to give you better responses.